OpenAI
GPT-5.6 Terra
Closed weights
- Intelligence
- 20.8
- Rank 232 of 744 measured models
- Coding
- 52.3
- Rank 114 of 298 measured models
- Output speed
- 90.1 t/s
- Rank 197 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
- $0.14
- Rank 63 of 193 measured models
GPT-5.6 Terra (Non-reasoning) scores 20.8 on the Artificial Analysis Intelligence Index, ranking 232nd of 744 measured models. The closest models on this index are MiniMax-M2.1 (20.9), GPT-5.4 nano (20.7), and GPT-5 Mini (batch) (20.6). At $4.50 per million tokens (3:1 input/output blended price), it is more expensive than MiniMax-M2.1 ($0.525) and GPT-5.4 nano ($0.463). With an output speed of 90.1 t/s, it is faster than MiniMax-M2.1 (62.2 t/s), slower than GPT-5.4 nano (166 t/s).