Cursor vs Codex (2026): Benchmarks & Cost

Cursor and OpenAI Codex are AI coding agents with different strengths: Cursor is a VS Code-based, editor-first platform that supports multiple model vendors, while Codex is an OpenAI-focused agent available through terminals, IDEs, desktop applications, cloud environments, SDKs, and GitHub Actions. The comparison was reshaped by SpaceX’s August 2026 acquisition of Cursor’s maker Anysphere and OpenAI’s planned termination of model access for Cursor on November 12, although Cursor says OpenAI models account for only about 5% of its traffic. Benchmark results are not directly comparable across platforms, but Codex using GPT-6 Astra leads Terminal-Bench 4.0 at 58.2%, while Claude Opus 5.5 leads Cursor’s own CursorBench 4.0 at 56.0%; Cursor’s in-house Composer 2.5 scores lower but costs less per task. Both services offer individual plans beginning at $20 per month, though ChatGPT Business with Codex is cheaper than Cursor Teams at listed team prices, and their billing models differ for additional usage. Cursor emphasizes visual editing, model switching, code review, and self-hosted execution, whereas Codex emphasizes cross-surface delegation, terminal and cloud workflows, SDK automation, and centrally enforced sandbox policies. Both products provide enterprise controls and have addressed serious security vulnerabilities, underscoring the risks posed by prompt injection, malicious repositories, MCP configurations, and agent permissions. The choice depends largely on whether organizations value a multi-vendor editor-centric workflow or access to OpenAI’s latest models and more tightly standardized agent controls, with the option to use both under shared security policies.

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