OpenAI

GPT-6.1 Terra

Oct 26, 2026ReasoningClosed weights

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Intelligence

41.3

#64 of 759Rank 64 of 759 measured models

Output speed

90.9 t/s

#227 of 418Rank 227 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

$0.0953

#52 of 211Rank 52 of 211 measured models

GPT-6.1 Terra (Medium) scores 41.3 on the Artificial Analysis Intelligence Index, ranking 64th of 759 measured models. The closest models on this index are Claude Opus 4.8 (batch) (41.8), Ling 3.1 Flash (41.1), and Gemini 3.8 Flash (40.9). At $2 per million tokens (3:1 input/output blended price), it is cheaper than Claude Opus 4.8 (batch) ($5), more expensive than Ling 3.1 Flash ($0.45) and Gemini 3.8 Flash ($1.50). With an output speed of 90.9 t/s, it is slower than Ling 3.1 Flash (214 t/s) and Gemini 3.8 Flash (134 t/s).