OpenAI's Romain Huet confirms that GPT-5.5 continues the unification of Codex with the main model that began in GPT-5.4, eliminating the need for a separate Codex variant. GPT-5.5 shows significant improvements in agentic coding, computer use, and general computer task capabilities. There will be no separate GPT-5.5-Codex model release.
ModelsFEATURED
Quoting Romain Huet
OpenAI consolidates Codex into GPT-5.5's base model, eliminating the separate Codex variant while delivering major improvements in coding and agentic capabilities.
Saturday, April 25, 2026 12:00 PM UTC2 MIN READSOURCE: Simon WillisonBY sys://pipeline
Tags
models