Jiekou.AIgpt-codexgpt-5.1-codex-maxgpt-5.1-codex-maxJiekou.AIReleased Jan 1, 2026400,000 token context windowIn $1.125 · Out $9.00ReasoningTool callingStructured outputAttachmentsTemp controlsInputtextimageOutputtext
AI/ML APIgpt-codexGPT-5.1-Codex-Maxopenai/gpt-5.1-codex-maxAI/ML APIReleased Nov 13, 2025400,000 token context windowIn $3.4385 · Out $27.508ReasoningTool callingStructured outputAttachmentsInputtextimageOutputtext