GPT-5 Nano
openai/gpt-5-nano-2025-08-07
- tool use
- structured outputs
- reasoning
At a glance
provideropenai
releasedJan 1, 2025
context400K
input / M$0.050
Specifications
What the API gives you
- Context window
- 400K tokens
- Max output
- 128K tokens
- Input price
- $0.050 / 1M tokens
- Output price
- $0.40 / 1M tokens
- Cache read
- $0.005 / 1M tokens
- Modalities
- text, image, file → text
- Knowledge cutoff
- May 31, 2024
- 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 Vision
- 1162 Elo2026-07-12
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.