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openai/gpt-5.1-codex-max-20251204

Rank #303 openai

openai/gpt-5.1-codex-max-20251204

Usage data date 2026-09-12 · updated daily

Usage and specs

Daily rank#303
Daily tokens526.1M
Daily requests33.7K
Daily change +102.0%
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

Reasoning output Reasoning Reasoning effort JSON output Structured outputs Tool choice Tool use

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.

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