OpenAI

GPT-6.1 Terra

Oct 26, 2026ReasoningClosed weights

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Intelligence

45.4

#38 of 759Rank 38 of 759 measured models

Output speed

90.9 t/s

#229 of 418Rank 229 of 418 measured models

Price/1M

$2

#485 of 694Rank 485 of 694 measured models

Context window

1M

#92 of 1272Rank 92 of 1272 measured models

Cost per task

$0.194

#82 of 211Rank 82 of 211 measured models

GPT-6.1 Terra (Xhigh) scores 45.4 on the Artificial Analysis Intelligence Index, ranking 38th of 759 measured models. The closest models on this index are Qwen3.8 Max (0902) (45.4), DeepSeek V4.1 Flash 1017 (Max) (45.1), and GLM-5.3 (44.8). At $2 per million tokens (3:1 input/output blended price), it is cheaper than Qwen3.8 Max (0902) ($3) and GLM-5.3 ($2.15), more expensive than DeepSeek V4.1 Flash 1017 (Max) ($0.525). With an output speed of 90.9 t/s, it is faster than Qwen3.8 Max (0902) (40.5 t/s), about as fast as GLM-5.3 (90.1 t/s), slower than DeepSeek V4.1 Flash 1017 (Max) (169 t/s).