GPT-6.1 Sol
by OpenAI · ID gpt-6-1-sol · Released 2026-09 · Proprietary
1481
ELO Score
-
MMLU
-
HumanEval
1.05M
Context Window
$2.00
Input Price
About GPT-6.1 Sol
OpenAI's upgrade to GPT-6 Sol, released at DevDay on 29 September 2026, a week after GPT-6 Sol. Same $2 input / $10 output per million tokens as GPT-6 Sol, with cached input cut to $0.10. Requests over 272K input tokens cost $4 / $15. OpenAI positions it close to GPT-6 Astra on coding and agent work at a fifth of Astra's price; those comparisons are vendor-reported. Prices checked 29 October 2026. Arena text score 1481 (GPT-6.1 Sol (Max), 9,367 votes), leaderboard of 27 October 2026.
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