GPT-5.1-Codex-Max
OpenAI
GPT-5.1-Codex-Max by OpenAI costs — per 1M input tokens and — per 1M output tokens, with a —-token context window.
Pricing
Input (per 1M tokens)
—
Output (per 1M tokens)
—
Cached input (per 1M)
—
Specifications
- Provider
- OpenAI
- Context window
- —
- Parameters
- —
- Released
- Nov 2025
- Open weights
- No
- Frontier model
- No
Benchmarks
- LiveBenchreasoning/coding
- 74.4
Compare GPT-5.1-Codex-Max with…
GPT-5.1-Codex-Max vs OpenAI: GPT-5.2-Codex$14.00/1MGPT-5.1-Codex-Max vs OpenAI: GPT-5.4 Image 2$15.00/1MGPT-5.1-Codex-Max vs OpenAI: GPT-5.1 Chat$10.00/1MGPT-5.1-Codex-Max vs OpenAI: GPT Chat Latest$30.00/1MGPT-5.1-Codex-Max vs OpenAI: GPT-5.3 Chat$14.00/1MGPT-5.1-Codex-Max vs OpenAI: GPT-5.4 Nano$1.25/1M
FAQ
Pricing is per 1M tokens (USD); confirm with the provider before production use.