| 222 | Tool Use (function calling) | 2024-04-04 | 
                    
                      
                        | 173 | Prompt Caching | 2024-08-18 | 
                    
                      
                        | 90 | Claude for Google Sheets | 2023-12-12 | 
                    
                      
                        | 77 | Anthropic: Prompt Library | 2024-04-22 | 
                    
                      
                        | 13 | Computer Use API Documentation | 2024-10-22 | 
                    
                      
                        | 5 | System prompts used by the Claude web UI and native UIs | 2024-08-26 | 
                    
                      
                        | 3 | Long context prompting tips by Anthropic | 2024-08-28 | 
                    
                      
                        | 3 | Anthropic Embeddings | 2024-08-06 | 
                    
                      
                        | 3 | Claude 2.1 | 2023-11-21 | 
                    
                      
                        | 3 | Prompt Caching (Beta) – Anthropic | 2024-08-14 | 
                    
                      
                        | 2 | Claude's System Prompts | 2024-08-27 | 
                    
                      
                        | 1 | Anthropic announces tool use with streaming, tool choice, and vision support | 2024-05-16 | 
                    
                      
                        | 1 | Guide to Anthropic's prompt engineering resources | 2023-12-12 | 
                    
                      
                        | 1 | PDF Support (Beta) – Anthropic | 2024-11-04 | 
                    
                      
                        | 1 | Anthropic's Prompt Library | 2024-10-17 | 
                    
                      
                        | 1454 | Computer use, a new Claude 3.5 Sonnet, and Claude 3.5 Haiku | 2024-10-22 | 
                    
                      
                        | 1016 | Claude 3 model family | 2024-03-04 | 
                    
                      
                        | 924 | 100K Context Windows | 2023-05-11 | 
                    
                      
                        | 665 | Claude 3.5 Sonnet | 2024-06-20 | 
                    
                      
                        | 552 | Amazon will invest up to $4B in Anthropic | 2023-09-25 | 
                    
                      
                        | 525 | Claude 2.1 | 2023-11-21 | 
                    
                      
                        | 445 | Decomposing language models into understandable components | 2023-10-08 | 
                    
                      
                        | 433 | Claude 2 | 2023-07-11 | 
                    
                      
                        | 309 | Contextual Retrieval | 2024-09-20 | 
                    
                      
                        | 263 | Claude's Character | 2024-06-08 | 
                    
                      
                        | 229 | Long context prompting for Claude 2.1 | 2023-12-06 | 
                    
                      
                        | 198 | Mapping the Mind of a Large Language Model | 2024-05-21 | 
                    
                      
                        | 169 | Golden Gate Claude | 2024-05-23 | 
                    
                      
                        | 153 | Reflections on our Responsible Scaling Policy | 2024-05-20 | 
                    
                      
                        | 149 | Anthropic Introduces Claude Projects | 2024-06-25 | 
                    
                      
                        | 145 | Claude is now available in Europe | 2024-05-14 | 
                    
                      
                        | 113 | Anthropic: Expanding Access to Claude for Government | 2024-06-26 | 
                    
                      
                        | 84 | Claude for Enterprise | 2024-09-04 | 
                    
                      
                        | 82 | Claude Team plan and iOS app | 2024-05-01 | 
                    
                      
                        | 82 | Artifacts are now generally available | 2024-08-31 | 
                    
                      
                        | 64 | Sabotage evaluations for frontier models | 2024-10-20 | 
                    
                      
                        | 60 | Model card and evaluations for Claude models [pdf] | 2023-07-11 | 
                    
                      
                        | 48 | Claude 3 Haiku: our fastest model yet | 2024-03-13 | 
                    
                      
                        | 46 | Claude is now available on GitHub Copilot | 2024-10-29 | 
                    
                      
                        | 38 | Anthropic: Collaborate with Claude on Projects | 2024-06-25 | 
                    
                      
                        | 33 | The Claude 3 Model Family: Opus, Sonnet, Haiku [pdf] | 2024-03-04 | 
                    
                      
                        | 33 | Simple probes can catch sleeper agents | 2024-04-23 | 
                    
                      
                        | 30 | The new Claude Android app brings the power of Claude,includingClaude 3.5 | 2024-07-17 | 
                    
                      
                        | 29 | Core Views on AI Safety: When, Why, What, and How | 2023-03-09 | 
                    
                      
                        | 28 | Claude is unavailable for some users. Web and Mobile. | 2024-06-04 | 
                    
                      
                        | 23 | Introducing Claude | 2023-03-14 | 
                    
                      
                        | 18 | Claude 3.5 Haiku Released | 2024-11-04 | 
                    
                      
                        | 17 | Anthropic Raises $450M in Series C Funding to Scale Reliable AI Products | 2023-05-23 | 
                    
                      
                        | 16 | The Analysis Tool in Claude.ai | 2024-10-24 | 
                    
                      
                        | 15 | Headstart accelerates software development by up to 100x with Claude | 2024-10-16 | 
                    
                      
                        | 13 | Outage for Anthropic's Claude 3.5 Sonnet | 2024-08-08 | 
                    
                      
                        | 13 | Prompt Caching with Claude | 2024-08-14 | 
                    
                      
                        | 9 | Announcing Our Updated Responsible Scaling Policy | 2024-10-15 | 
                    
                      
                        | 6 | Mapping the Mind of a Large Language Model | 2024-05-23 | 
                    
                      
                        | 6 | Golden Gate Claude | 2024-05-24 | 
                    
                      
                        | 6 | Prompt engineering for Claude's long context window | 2023-09-23 | 
                    
                      
                        | 5 | Anthropic calls Government to regulate AI in the next eighteen months | 2024-11-04 | 
                    
                      
                        | 5 | Anthropic's Claude, Now in Slack | 2023-03-30 | 
                    
                      
                        | 4 | Claude Instant 1.2 | 2023-08-10 | 
                    
                      
                        | 4 | The engineering challenges of scaling interpretability | 2024-06-13 | 
                    
                      
                        | 4 | Claude can now use tools | 2024-05-30 | 
                    
                      
                        | 4 | Anthropic: Mike Krieger Joins Anthropic as Chief Product Officer | 2024-05-15 | 
                    
                      
                        | 4 | Claude 3 Opus nearly mirrors human persuasiveness | 2024-04-12 | 
                    
                      
                        | 4 | Sleeper Agents: Training Deceptive LLMs That Persist Through Safety Training | 2024-03-06 | 
                    
                      
                        | 4 | Anthropic Announces SOC 2 Type 1 Certificate | 2023-06-14 | 
                    
                      
                        | 3 | Introducing The Message Batches API | 2024-10-08 | 
                    
                      
                        | 3 | Developing a Computer Use Model | 2024-10-22 | 
                    
                      
                        | 3 | Raising the bar on SWE-bench Verified with Claude 3.5 Sonnet | 2024-10-30 | 
                    
                      
                        | 3 | Computer use, a new Claude 3.5 Sonnet, and Claude 3.5 Haiku | 2024-10-27 | 
                    
                      
                        | 3 | European Parliament expands access to their archives with Claude | 2024-10-22 | 
                    
                      
                        | 3 | Many-Shot Jailbreaking | 2024-05-09 | 
                    
                      
                        | 3 | Measuring the Persuasiveness of Language Models | 2024-05-03 | 
                    
                      
                        | 2 | Anthropic's Responsible Scaling Policy | 2023-09-19 | 
                    
                      
                        | 2 | Mitigating Social Biases in LLMs | 2024-10-30 | 
                    
                      
                        | 2 | Sourcegraph enhances the intelligence and speed of their coding assistant | 2024-07-12 | 
                    
                      
                        | 2 | Developing third-party LLM evaluations | 2024-07-02 | 
                    
                      
                        | 2 | Challenges in red teaming AI systems | 2024-06-13 | 
                    
                      
                        | 2 | Anthropic: Generate better prompts in the developer console | 2024-05-21 | 
                    
                      
                        | 2 | Anthropic: Krishna Rao Joins Anthropic as Chief Financial Officer | 2024-05-21 | 
                    
                      
                        | 2 | Claude's Constitution | 2024-05-08 | 
                    
                      
                        | 2 | Expanded legal protections and improvements to our API | 2023-12-19 | 
                    
                      
                        | 2 | Tracing Model Outputs to the Training Data | 2023-09-23 | 
                    
                      
                        | 2 | Troubleshooting: Ideas to try if Claude is hallucinating | 2023-05-11 | 
                    
                      
                        | 2 | Claude’s Constitution | 2023-05-10 | 
                    
                      
                        | 2 | Claude’s Constitution | 2023-05-09 | 
                    
                      
                        | 2 | Claude | 2023-03-14 | 
                    
                      
                        | 1 | Claude Pro | 2023-09-07 | 
                    
                      
                        | 1 | Evaluate Prompts in the Developer Console | 2024-07-09 | 
                    
                      
                        | 1 | Tell HN: Anthropic's Claude Instant price cut by ~half [pdf] | 2023-12-13 | 
                    
                      
                        | 1 | Measuring faithfulness in chain-of-thought reasoning [pdf] | 2023-07-18 | 
                    
                      
                        | 1 | Improve your prompts in the developer console | 2024-11-14 | 
                    
                      
                        | 1 | Developing a Computer Use Model | 2024-10-23 | 
                    
                      
                        | 1 | Claude for Enterprise | 2024-09-05 | 
                    
                      
                        | 1 | Fine-tune Claude 3 Haiku | 2024-07-12 | 
                    
                      
                        | 1 | Testing and mitigating elections-related risks | 2024-06-06 | 
                    
                      
                        | 1 | Third-party testing as a key ingredient of AI policy | 2024-04-14 | 
                    
                      
                        | 1 | Changes to Anthropic's Terms of Service – They may start charging | 2024-01-03 | 
                    
                      
                        | 1 | Constitutional AI: Harmlessness from AI Feedback | 2023-09-25 | 
                    
                      
                        | 1 | Measuring Faithfulness in Chain-of-Thought Reasoning | 2023-07-24 | 
                    
                      
                        | 1 | Red Teaming Language Models to Reduce Harms [pdf] | 2023-07-13 | 
                    
                      
                        | 1 | Distributed Representations: Composition and Superposition | 2023-05-12 | 
                    
                      
                        | 1 | Constitutional AI: Harmlessness from AI Feedback [pdf] | 2023-01-10 | 
                    
                      
                        | 872 | Model Context Protocol | 2024-11-25 | 
                    
                      
                        | 5 | Powering the next generation of AI development with AWS | 2024-11-22 | 
                    
                      
                        | 66 | A statistical approach to model evaluations | 2024-11-23 | 
                    
                      
                        | 3 | Claude Prompt Improver | 2024-11-26 | 
                    
                      
                        | 3 | Claude.ai: Introducing Google Docs in Chats and Projects | 2024-11-22 | 
                    
                      
                        | 4 | Tailor Claude's responses to your personal style | 2024-11-26 | 
                    
                      
                        | 4 | Graphite speeds up code review by 40x with Claude | 2024-12-03 | 
                    
                      
                        | 2 | Claude 3.5 Haiku on AWS Trainium2 and Model Distillation in Amazon Bedrock | 2024-12-04 | 
                    
                      
                        | 133 | Clio: A system for privacy-preserving insights into real-world AI use | 2024-12-12 | 
                    
                      
                        | 2 | A Toy Evaluation of Inference Code Tampering | 2024-12-10 | 
                    
                      
                        | 763 | Building Effective "Agents" | 2024-12-20 | 
                    
                      
                        | 302 | Alignment faking in large language models | 2024-12-19 | 
                    
                      
                        | 2 | The Claude in Amazon Bedrock Course – By Anthropic | 2024-12-14 | 
                    
                      
                        | 3 | Anthropic Twitter Account Hacked | 2024-12-17 | 
                    
                      
                        | 2 | Alignment Faking in LLMs [pdf] | 2024-12-20 | 
                    
                      
                        | 84 | Anthropic achieves ISO 42001 certification for responsible AI | 2025-01-16 | 
                    
                      
                        | 177 | Citations on the Anthropic API | 2025-01-23 | 
                    
                      
                        | 8 | Anthropic – Citations | 2025-01-23 | 
                    
                      
                        | 89 | Constitutional Classifiers: Defending against universal jailbreaks | 2025-02-03 | 
                    
                      
                        | 2 | Lyft to bring Claude to more than 40M riders and over 1M drivers | 2025-02-06 | 
                    
                      
                        | 1 | Elections and AI in 2024: observations and learnings | 2025-01-26 | 
                    
                      
                        | 582 | The Anthropic Economic Index | 2025-02-10 | 
                    
                      
                        | 7 | Statement from Dario Amodei on the Paris AI Action Summit | 2025-02-11 | 
                    
                      
                        | 2127 | Claude 3.7 Sonnet and Claude Code | 2025-02-24 | 
                    
                      
                        | 1 | Claude 3.7 Sonnet with reasoning model card on Anthropic docs | 2025-02-24 | 
                    
                      
                        | 6 | Claude and Alexa+ | 2025-02-26 | 
                    
                      
                        | 3 | Claude 3.7 Sonnet System Card [pdf] | 2025-02-24 | 
                    
                      
                        | 3 | Claude's Extended Thinking | 2025-02-24 | 
                    
                      
                        | 3 | Anthropic signs MOU with UK Government to explore AI in UK public services | 2025-02-15 | 
                    
                      
                        | 2 | Anthropic: Forecasting rare language model behaviors | 2025-02-25 | 
                    
                      
                        | 2 | Which Economic Tasks Are Performed with AI? [pdf] | 2025-02-12 | 
                    
                      
                        | 1 | Monitoring computer use via hierarchical summarization | 2025-02-27 | 
                    
                      
                        | 18 | Anthropic raises Series E at $61.5B post-money valuation | 2025-03-03 | 
                    
                      
                        | 1233 | Claude can now search the web | 2025-03-20 | 
                    
                      
                        | 26 | The think tool: Enabling Claude to stop and think in complex tool use situations | 2025-03-21 | 
                    
                      
                        | 23 | Claude.ai, Console, and API not available | 2025-03-18 | 
                    
                      
                        | 6 | Text Editor Tool – Anthropic | 2025-03-13 | 
                    
                      
                        | 1072 | Tracing the thoughts of a large language model | 2025-03-27 | 
                    
                      
                        | 420 | Reasoning models don't always say what they think | 2025-04-03 | 
                    
                      
                        | 56 | Anthropic Economic Index: Insights from Claude 3.7 Sonnet | 2025-03-27 | 
                    
                      
                        | 7 | Claude for Education \ Anthropic | 2025-04-03 | 
                    
                      
                        | 4 | Progress from Our Frontier Red Team \ Anthropic | 2025-03-20 | 
                    
                      
                        | 4 | Anthropic's Recommendations to OSTP for the U.S. AI Action Plan | 2025-03-06 | 
                    
                      
                        | 3 | Building Effective Agents | 2025-03-10 | 
                    
                      
                        | 2 | Token-saving updates on the Anthropic API | 2025-03-13 | 
                    
                      
                        | 1 | Introducing Anthropic's first developer conference: Code with Claude | 2025-04-03 | 
                    
                      
                        | 1 | Auditing Language Models for Hidden Objectives | 2025-03-27 | 
                    
                      
                        | 2 | Claude Code | 2025-04-04 | 
                    
                      
                        | 2 | Automated Researchers Can Subtly Sandbag | 2025-03-27 | 
                    
                      
                        | 1 | Training on Documents About Reward Hacking Induces Reward Hacking | 2025-03-27 | 
                    
                      
                        | 401 | How University Students Use Claude | 2025-04-09 | 
                    
                      
                        | 132 | Claude's Max Plan | 2025-04-09 | 
                    
                      
                        | 614 | Claude Code: Best practices for agentic coding | 2025-04-19 | 
                    
                      
                        | 39 | Claude Research | 2025-04-15 | 
                    
                      
                        | 28 | Anthropic Economic Index: AI's Impact on Software Development | 2025-04-28 | 
                    
                      
                        | 734 | Claude Integrations | 2025-05-01 | 
                    
                      
                        | 14 | Exploring model welfare | 2025-04-25 | 
                    
                      
                        | 6 | Reasoning models don't always say what they think | 2025-05-02 | 
                    
                      
                        | 5 | Values in the wild: Discovering values in real-world language model interactions | 2025-04-22 | 
                    
                      
                        | 4 | Detecting and Countering Malicious Uses of Claude: March 2025 | 2025-04-24 | 
                    
                      
                        | 4 | Our Approach to Understanding and Addressing AI Harms | 2025-04-23 | 
                    
                      
                        | 3 | The Anthropic Economic Advisory Council | 2025-04-29 | 
                    
                      
                        | 2 | Anthropic's Position on the Diffusion Rule | 2025-05-01 | 
                    
                      
                        | 1 | Anthropic's AI for Science Program | 2025-05-05 | 
                    
                      
                        | 26 | Anthropic Development Partner Program | 2025-05-02 | 
                    
                      
                        | 234 | A flat pricing subscription for Claude Code | 2025-05-08 | 
                    
                      
                        | 4 | Anthropic Incident: Elevated errors on request to models | 2025-04-26 | 
                    
                      
                        | 4 | Anthropic research shows AI model conceals reasoning shortcuts 75% of the time [pdf] | 2025-04-11 | 
                    
                      
                        | 272 | Web search on the Anthropic API | 2025-05-07 | 
                    
                      
                        | 454 | Claude Code SDK | 2025-05-19 | 
                    
                      
                        | 2 | Claude Code GitHub Action | 2025-05-19 | 
                    
                      
                        | 2013 | Claude 4 | 2025-05-22 | 
                    
                      
                        | 7 | Claude Code: Tutorials | 2025-05-21 | 
                    
                      
                        | 4 | Claude 4 prompt engineering best practices | 2025-05-22 | 
                    
                      
                        | 161 | Open-sourcing circuit tracing tools | 2025-05-29 | 
                    
                      
                        | 97 | Claude Code is now available to Pro plans | 2025-06-04 | 
                    
                      
                        | 43 | Claude Gov Models for U.S. National Security Customers | 2025-06-05 | 
                    
                      
                        | 2 | Claude Code: Settings | 2025-06-13 | 
                    
                      
                        | 325 | Build and Host AI-Powered Apps with Claude – No Deployment Needed | 2025-06-25 | 
                    
                      
                        | 271 | Project Vend: Can Claude run a small shop? (And why does that matter?) | 2025-06-27 | 
                    
                      
                        | 196 | Remote MCP Support in Claude Code | 2025-06-18 | 
                    
                      
                        | 101 | Agentic Misalignment: How LLMs could be insider threats | 2025-06-21 | 
                    
                      
                        | 35 | How we built our multi-agent research system | 2025-06-13 | 
                    
                      
                        | 9 | Activating AI Safety Level 3 Protections | 2025-05-22 | 
                    
                      
                        | 6 | Claude Opus 4 | 2025-05-22 | 
                    
                      
                        | 5 | Rakuten accelerates development with Claude Code | 2025-06-28 | 
                    
                      
                        | 5 | Remote MCP Support in Claude Code | 2025-06-18 | 
                    
                      
                        | 4 | Anthropic Launches Claude Desktop Extensions | 2025-06-26 | 
                    
                      
                        | 4 | Confidential Inference via Trusted Virtual Machines | 2025-06-18 | 
                    
                      
                        | 4 | Anthropic's SHADE-Arena: Evaluating sabotage and monitoring in LLM agents | 2025-06-17 | 
                    
                      
                        | 3 | How People Use Claude for Support, Advice, and Companionship | 2025-06-26 | 
                    
                      
                        | 3 | Remote MCP Support in Claude Code | 2025-06-18 | 
                    
                      
                        | 3 | Reed Hastings appointed to Anthropic's board of directors | 2025-05-28 | 
                    
                      
                        | 2 | New capabilities for building agents on the Anthropic API | 2025-05-22 | 
                    
                      
                        | 1 | AI Fluency Course | 2025-06-12 | 
                    
                      
                        | 206 | Claude for Financial Services | 2025-07-15 | 
                    
                      
                        | 92 | Anthropic signs a $200M deal with the Department of Defense | 2025-07-14 | 
                    
                      
                        | 3 | Discover tools that work with Claude | 2025-07-14 | 
                    
                      
                        | 3 | The Need for Transparency in Frontier AI | 2025-07-07 | 
                    
                      
                        | 2 | Advancing Claude for Education | 2025-07-09 | 
                    
                      
                        | 2 | Build with Claude | 2025-07-08 | 
                    
                      
                        | 2 | The Anthropic Economic Futures Program | 2025-07-05 | 
                    
                      
                        | 1 | Transform Financial Services with Claude | 2025-07-16 | 
                    
                      
                        | 1 | Anthropic Economic Futures | 2025-07-15 | 
                    
                      
                        | 1 | Paul Smith to Join Anthropic as Chief Commercial Officer | 2025-07-15 | 
                    
                      
                        | 273 | How Anthropic teams use Claude Code | 2025-07-25 | 
                    
                      
                        | 816 | Claude Opus 4.1 | 2025-08-05 | 
                    
                      
                        | 406 | Persona vectors: Monitoring and controlling character traits in language models | 2025-08-03 | 
                    
                      
                        | 1324 | Claude Sonnet 4 now supports 1M tokens of context | 2025-08-12 | 
                    
                      
                        | 797 | Claude for Chrome | 2025-08-26 | 
                    
                      
                        | 750 | Updates to Consumer Terms and Privacy Policy | 2025-08-29 | 
                    
                      
                        | 259 | Claude Opus 4 and 4.1 can now end a rare subset of conversations | 2025-08-15 | 
                    
                      
                        | 150 | Anthropic raises $13B Series F at $183B post-money valuation | 2025-09-02 | 
                    
                      
                        | 127 | Detecting and countering misuse of AI | 2025-09-01 | 
                    
                      
                        | 659 | Claude now has access to a server-side container environment | 2025-09-09 | 
                    
                      
                        | 380 | A postmortem of three recent issues | 2025-09-17 | 
                    
                      
                        | 49 | Anthropic is endorsing SB 53 | 2025-09-09 | 
                    
                      
                        | 34 | Updating restrictions of sales to unsupported regions | 2025-09-04 | 
                    
                      
                        | 30 | Automate security reviews with Claude Code | 2025-08-06 | 
                    
                      
                        | 17 | Bringing Memory to Teams at Work | 2025-09-11 | 
                    
                      
                        | 11 | Anthropic AI: Israel leads global per capita Claude usage | 2025-09-15 | 
                    
                      
                        | 8 | Anthropic Changes Training Data Policy from Opt-In to Opt-Out | 2025-08-28 | 
                    
                      
                        | 6 | Build AI in America | 2025-07-22 | 
                    
                      
                        | 5 | Anthropic Economic Index: Tracking AI's Role in the US and Global Economy | 2025-09-15 | 
                    
                      
                        | 5 | Charm Industrial accelerates carbon removal operations with Claude | 2025-08-19 | 
                    
                      
                        | 4 | Claude is now available in Microsoft 365 Copilot | 2025-09-24 | 
                    
                      
                        | 4 | Anthropic Economic Index: Understanding AI's Effects on the Economy | 2025-09-15 | 
                    
                      
                        | 3 | Writing effective tools for LLM agents–using LLM agents | 2025-09-11 | 
                    
                      
                        | 2 | Anthropic: Expanded Claude access across all three branches of government | 2025-08-12 | 
                    
                      
                        | 2 | Claude is now generally available in Xcode | 2025-09-15 | 
                    
                      
                        | 2 | Usage Policy Update | 2025-08-15 | 
                    
                      
                        | 2 | Building Safeguards for Claude | 2025-08-12 | 
                    
                      
                        | 1 | The Anthropic National Security and Public Sector Advisory Council | 2025-08-27 | 
                    
                      
                        | 1 | Claude Code and new admin controls for business plans | 2025-08-22 | 
                    
                      
                        | 1582 | Claude Sonnet 4.5 | 2025-09-29 | 
                    
                      
                        | 218 | Managing context on the Claude Developer Platform | 2025-10-05 | 
                    
                      
                        | 147 | Effective context engineering for AI agents | 2025-09-29 | 
                    
                      
                        | 1188 | A small number of samples can poison LLMs of any size | 2025-10-09 | 
                    
                      
                        | 815 | Claude Skills | 2025-10-16 | 
                    
                      
                        | 729 | Claude Haiku 4.5 | 2025-10-15 | 
                    
                      
                        | 575 | Claude Code on the web | 2025-10-20 |