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GPT-5.3 CodexCurrently listed through these providers:
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Model details
GPT-5.1-Codex-Max
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AI/ML APIopenai/gpt-5.1-codex-maxgpt-codex
Quick Info
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- AI/ML API
- Model key
- openai/gpt-5.1-codex-max
- Release date
- Nov 13, 2025
- Last updated
- Nov 13, 2025
- Knowledge cutoff
- 2024-09-30
- Input modalities
- Output modalities
- Capabilities
Cost
- Input token cost
- $3.4385
- Output token cost
- $27.508
Limits
- Input tokens
- 272,000 tokens
- Output tokens
- 128,000 tokens
- Context window
- 400,000 tokens
Transparent token rates
Compare GPT-5.1-Codex-Max pricing
Rates are shown per one million tokens. Combined means one million input plus one million output tokens.
Latest news about GPT-5.1-Codex-Max
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