ChatGPT
A practical default for mixed everyday tasks, provided important facts and citations receive a separate review. Verification level not recorded
openai/gpt-5.1-codex-max-20251204
Rank #306
openai
openai/gpt-5.1-codex-max-20251204
Usage data date 2026-09-13 · updated daily
Usage and specs
Daily rank#306
Daily tokens538.8M
Daily requests31.7K
Daily change
+95.6%
Released
What is openai/gpt-5.1-codex-max-20251204
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
openai/gpt-5.1-codex-max-20251204 capabilities
Input: Text、Image Output: Text
openai/gpt-5.1-codex-max-20251204 API pricing
Input · per 1M tokens$1.25
Output · per 1M tokens$10.00
USD list-price snapshot, not independently verified; confirm current pricing and terms on the provider site before purchase.
Tools built on this model
ChatGPT
A practical default for mixed everyday tasks, provided important facts and citations receive a separate review. Verification level not recorded