GPT-5.3-Codex: 25% faster agentic coding, now in GitHub Copilot
OpenAI’s GPT-5.3-Codex brings 25% faster, steerable agentic coding for long-running, tool-driven workflows and is rolling out across Codex surfaces and GitHub Copilot.
calendar_today
2026-02-09
openai
gpt-53-codex
github
github-copilot
codex-app