OpenAI Responses API
ServiceThe OpenAI Responses API is an official endpoint for programmatically requesting and streaming model responses from OpenAI’s generative models. It is used by developer tools and SDKs such as LangChain and MassGen to integrate chat or completion outputs into applications.
Stories
Completed digest stories linked to this service.
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OpenAI’s Responses API quietly rewrites how you build long-running agents2026-06-10OpenAI’s Responses API moves agent workflows to server-side sessions and webhooks, cutting glue code and chang...
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Agents are now a real workload: Uber’s bill and 1,000 deploys/month force ops, c...2026-06-08AI agents moved from experiments to production-scale work, exposing gaps in pipelines, cost controls, and acce...
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OpenAI sets 2026 shutdown for Prompt Objects; start migrating and make agents po...2026-06-05OpenAI will shut down Prompt Objects in its API on November 30, 2026, which means migration work for any agent...
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OpenAI Python adds moderation endpoints; Codex ships enterprise controls and twe...2026-06-04OpenAI’s Python SDK now exposes built-in moderation for Responses and Chat Completions, while Codex advances w...
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OpenAI Python SDK adds Bedrock support; AWS exposes OpenAI models via an OpenAI‑...2026-06-02OpenAI’s Python SDK now supports Amazon Bedrock’s OpenAI-compatible Responses API, making it much easier to ru...
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OpenAI shifted defaults: GPT-5.5 Instant rolls out, Agents JS now defaults to gp...2026-05-07OpenAI changed defaults across ChatGPT and the Agents SDK this week, which can silently shift behavior and cos...
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OpenAI Codex’s GPT-5.5 rollout exposes brittle edges: leaked system prompt, rate...2026-04-30OpenAI Codex shipped GPT-5.5 updates that surfaced a quirky system prompt and a string of reliability issues a...
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LangChain ships resilient OpenAI Responses API parsing and small reliability fix...2026-04-15LangChain pushed targeted fixes to its OpenAI integration to keep pace with the Responses API and smooth commo...
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MCP tooling grows up: MassGen v0.1.64, faster DevTools MCP, and cross‑IDE agent ...2026-03-17Agentic dev tooling took a practical step forward with MassGen v0.1.64, a faster Chrome DevTools MCP, and a cr...
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LangChain OpenAI 1.1.11: tool search support, sturdier structured output, and mo...2026-03-10LangChain released langchain-openai 1.1.11 with tool search support and several reliability fixes for OpenAI i...