GPT-5.1-Codex-Mini
openai/gpt-5.1-codex-mini-20251113
OpenAI's GPT-5.1-Codex-Mini, released on 2025-01-01, processes image and text inputs to generate text output, with a context length of 400,000 tokens and
- tool use
- structured outputs
- reasoning
At a glance
provideropenai
releasedJan 1, 2025
context400K
input / M$0.25
Specifications
What the API gives you
- Context window
- 400K tokens
- Max output
- 100K tokens
- Input price
- $0.25 / 1M tokens
- Output price
- $2 / 1M tokens
- Cache read
- $0.025 / 1M tokens
- Modalities
- image, text → text
- Knowledge cutoff
- —
- Released
- Jan 1, 2025
Recommendation coverage
Where this model appears
Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.
Measured evidence
Public benchmark record
- LMArena WebDev
- 1240 Elo2026-07-16
- LMArena WebDev
- 1240 Elo2026-07-20
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.