OpenAI

GPT-6 Sol

Sep 22, 2026ReasoningClosed weights

Compare

Intelligence

44.2

#41 of 744Rank 41 of 744 measured models

Output speed

83.6 t/s

#216 of 403Rank 216 of 403 measured models

Price/1M

$4

#532 of 659Rank 532 of 659 measured models

Context window

1.1M

#21 of 1199Rank 21 of 1199 measured models

Cost per task

$0.521

#107 of 193Rank 107 of 193 measured models

GPT-6 Sol (Xhigh) scores 44.2 on the Artificial Analysis Intelligence Index, ranking 41st of 744 measured models. The closest models on this index are GLM-5.3 (44.8), Grok 4.6 (44.3), and Step 5 Preview (43.7). At $4 per million tokens (3:1 input/output blended price), it is more expensive than GLM-5.3 ($2.15), Grok 4.6 ($3), and Step 5 Preview ($1.43). With an output speed of 83.6 t/s, it is faster than GLM-5.3 (61.1 t/s) and Grok 4.6 (50 t/s), slower than Step 5 Preview (89.3 t/s).