The new model is specifically designed to handle complex software engineering projects and can help with vibe coding, too.

Unlike GPT-5, which is built as a general-purpose AI model, GPT-5-Codex is optimized for what OpenAI calls “agentic coding," ...

From cloud hand-offs to GitHub reviews, GPT-5-Codex is optimized for agentic coding and designed to supercharge developer workflows.

Cerebras’s hosted Qwen3 Coder service promised to be the Claude replacement many developers craved. We’re losing hope.