GPT-5.1-Codex-mini
GPT-5.1-Codex-mini is an API-only (closed weights) language model from OpenAI, released November 12, 2025.
Check it against your own PC →
Lab
OpenAI
Released
November 12, 2025
Weights
API-only (closed weights)
Parameters
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Context
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Price / M tokens
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Epoch ECI
not yet rated
Benchmark results
Epoch AI has not published results for GPT-5.1-Codex-mini yet. New models are usually evaluated within days to weeks.
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