OpenAI
GPT-5 nano
ReasoningClosed weights
- Intelligence
- 12.5
- Rank 361 of 744 measured models
- Output speed
- 155 t/s
- Rank 80 of 403 measured models
- Price/1M
- $0.138
- Rank 122 of 659 measured models
- Context window
- 400K
- Rank 357 of 1199 measured models
GPT-5 nano (Medium) scores 12.5 on the Artificial Analysis Intelligence Index, ranking 361st of 744 measured models. The closest models on this index are MiniCPM5-2B (12.5), o3 Mini (batch) (12.5), and Qwen3.5 Omni Flash (12.5). At $0.138 per million tokens (3:1 input/output blended price), it is cheaper than o3 Mini (batch) ($0.963) and Qwen3.5 Omni Flash ($0.275). With an output speed of 155 t/s, it is slower than Qwen3.5 Omni Flash (223 t/s).
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.
- Qwen3 Max (Preview)
Alibaba · $2.40 · 57.4 t/s
12.6+0.1$2.4057.4 t/sCompare - MiniCPM5-2B
OpenBMB · — · —
12.5——Compare - o3 Mini (batch)
OpenAI · $0.963 · —
12.5$0.963—Compare - Qwen3.5 Omni Flash
Alibaba · $0.275 · 223 t/s
12.5$0.275223 t/sCompare
