OpenAI
GPT-5.6 Terra
ReasoningClosed weights
- Intelligence
- 34.2
- Rank 98 of 744 measured models
- Coding
- 67.1
- Rank 64 of 298 measured models
- Output speed
- 92.9 t/s
- Rank 191 of 403 measured models
- Price/1M
- $4.50
- Rank 563 of 659 measured models
- Context window
- 1M
- Rank 84 of 1199 measured models
- Cost per task
- $0.338
- Rank 90 of 193 measured models
GPT-5.6 Terra (High) scores 34.2 on the Artificial Analysis Intelligence Index, ranking 98th of 744 measured models. The closest models on this index are DeepSeek V4 Flash 0731 (Max) (34.3), Gemini 3.6 Flash (High) (34.0), and JT-4.1 Flash 236B A21B (33.9). At $4.50 per million tokens (3:1 input/output blended price), it is more expensive than DeepSeek V4 Flash 0731 (Max) ($0.66) and Gemini 3.6 Flash (High) ($1.50). With an output speed of 92.9 t/s, it is slower than DeepSeek V4 Flash 0731 (Max) (173 t/s) and Gemini 3.6 Flash (High) (175 t/s).