← Artificial Acceleration
OpenAI · GPT series
GPT-6.1 Sol
Released
29 Sep 2026
· 7 days after
GPT-6 Sol
notable release
Intelligence
54.6
#3 of 23 scored releases to that date
Price
$4.00
per 1M tokens, 3:1 in/out · $2 in / $10 out
Speed
62
output tokens/s, median
Weights
Closed
US lab
OpenAI’s best score over time
9 Jul 2026
26 Oct 2026
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GPT-6 Sol
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GPT-6.1 Terra