Introducing the Parallel Responses API

Parallel has launched the Parallel Responses API, which enhances their Web Agent API suite by providing an OpenAI-compatible endpoint specifically for web research tasks. This API delivers synthesized answers from live web data swiftly, catering to both simple and complex queries while maintaining high quality and providing full citations. Unlike the Task API, designed for background tasks, the Responses API focuses on latency-sensitive applications by offering rapid responses. This makes it ideal for use as a subagent in agentic systems, where specialized tasks are delegated to subagents to optimize performance and cost. The API supports structured outputs, citation inclusion, and runs research in parallel, ensuring efficiency and predictability in costs. It is compatible with OpenAI's SDKs, allowing seamless integration with minimal code changes, and supports stateful multi-turn conversations, streaming, and various reasoning tiers.

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