OpenAI
GPT-5.6 Sol
ReasoningClosed weights
- Intelligence
- 39.2
- Rank 72 of 744 measured models
- Coding
- 76.3
- Rank 19 of 298 measured models
- Output speed
- 75.7 t/s
- Rank 235 of 403 measured models
- Price/1M
- $8
- Rank 603 of 659 measured models
- Context window
- 1M
- Rank 84 of 1199 measured models
- Cost per task
- $0.505
- Rank 104 of 193 measured models
GPT-5.6 Sol (Medium) scores 39.2 on the Artificial Analysis Intelligence Index, ranking 72nd of 744 measured models. The closest models on this index are DeepSeek V4.1 Flash (39.5), Gemini 3.7 Flash (39.1), and GPT-5.4 (39.0). At $8 per million tokens (3:1 input/output blended price), it is more expensive than DeepSeek V4.1 Flash ($0.525), Gemini 3.7 Flash ($1.50), and GPT-5.4 ($5.63). With an output speed of 75.7 t/s, it is slower than DeepSeek V4.1 Flash (174 t/s), Gemini 3.7 Flash (299 t/s), and GPT-5.4 (85.5 t/s).
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.
- Muse Spark 1.2 (Xhigh)
Meta · $2 · 322 t/s
39.6+0.4$2322 t/sCompare - DeepSeek V4.1 Flash
DeepSeek · $0.525 · 174 t/s
39.5+0.3$0.525174 t/sCompare - Gemini 3.7 Flash
Google · $1.50 · 299 t/s
39.1−0.1$1.50299 t/sCompare - GPT-5.4
OpenAI · $5.63 · 85.5 t/s
39.0−0.2$5.6385.5 t/sCompare
