Skip to content
AI IntelligenceApr 26, 2026AI Intelligence
Article

OpenAI has discontinued its dedicated coding model Codex again and folded its capabilities into GPT-5.5.

The new model promises stronger agentic coding and lower token usage, but developers need to adjust their prompts.

AI-generated: summaries written by AI from the linked sources. How we use AI

AI-generatedSource: The Decoder
01

Source Brief

OpenAI has discontinued its dedicated coding model Codex again and folded its capabilities into GPT-5.5. The new model promises stronger agentic coding and lower token usage, but developers need to adjust their prompts.