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OpenAI Docs

OpenAI · Docs

OpenAI Docs

July 9, 2026 at 6:27 PM UTC

Models

Changelog

Models

  • Added dedicated guides for using, migrating to, and prompting the following models: GPT-4.1, GPT-5, GPT-5.1, GPT-5.2, GPT-5.3-Codex, GPT-5.4, GPT-5.5, and GPT-5.6.
  • Added model-specific prompting guidance and upgrade instructions for GPT-5.6 Sol.

Responses API

  • Added Multi-agent guide covering client-side HTTP/WebSocket flows and output handling.
  • Added Programmatic Tool Calling guide for configuring tool invocation and resuming after client-owned function calls.

Removed documentation

  • Removed the previous general “latest-model” and “prompt guidance” pages (replaced by the model-specific guides above).
Older release← Jul 8, 20:27 UTCNewer release→ Jul 10, 22:27 UTC
All OpenAI Docs releases →