GPT-5.1, GPT-5.1 Codex, GPT-5.1-Codex-Max, and GPT-5.1-Codex-Mini deprecated - GitHub Changelog
…Model Deprecation date Suggested alternative GPT-5.1 2026-04-15 GPT-5.3-Codex GPT-5.1-Codex 2026-04-01 GPT-5.3-Codex GPT-5.1-Codex-Mini 2026…
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Upcoming deprecation of GPT-5.2 and GPT-5.2-Codex - GitHub Changelog
Back to changelog We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions), with the exception of GPT-5…
GPT-5.5 is generally available for GitHub Copilot - GitHub Changelog
Back to changelog GPT-5.5, OpenAI’s latest GPT model, is now rolling out on GitHub Copilot. In our early testing, GPT-5.5 delivers its strongest performance on complex, multi…
GPT-5.4 mini is now generally available for GitHub Copilot - GitHub Changelog
Back to changelog GPT-5.4 mini, OpenAI’s latest fast version of their agentic coding model GPT-5.4, is now rolling out in GitHub Copilot. In early tests, GPT‑5…
GPT-5.3-Codex long-term support in GitHub Copilot - GitHub Changelog
…GitHub Copilot data has shown that GPT-5.3-Codex has a significantly high code survival rate among enterprise customers. GPT-5.3-Codex as the newest base model GPT-5.3…
GPT-5.4 mini is now available in Copilot Student auto model selection - GitHub Changelog
Back to changelog GPT-5.4 mini is now generally available to Copilot Student plan via Copilot auto model selection . This model is part of Auto in GitHub Copilot Chat on Visual…
Copilot Student GPT-5.3-Codex removal from model picker - GitHub Changelog
Back to changelog Starting today, in our Copilot Student plan, we are removing GPT-5.3-Codex from the model picker. It remains available through auto model selection. Auto model selection is…
GPT-5.4 is generally available in GitHub Copilot - GitHub Changelog
Back to changelog GPT-5.4, OpenAI’s latest agentic coding model, is now rolling out in GitHub Copilot. In our early testing of real-world, agentic, and software development capabilities, GPT…
Upcoming deprecation of Gemini 3 Pro and GPT-5.1 models - GitHub Changelog
…Model Deprecation date Suggested alternative Gemini 3 Pro 2026-03-26 Gemini 3.1 Pro GPT-5.1 2026-04-15 GPT-5.4 GPT-5.1-Codex 2026-04-01 GPT…
GitHub Copilot CLI now supports Copilot auto model selection - GitHub Changelog
…It routes to models like GPT-5.4, GPT-5.3-Codex, Sonnet 4.6, and Haiku 4.5 based on your plan and policies. The models auto will route to will…