GPT-6.1 Sol184168–200
WeightsClosed
ReleasedSep 2026
Price in / out$2.0 / $10
Context1.05M
Core tests taken3 of 8
Gemini 3.8 Flash171159–182
WeightsClosed
ReleasedSep 2026
Price in / out$0.75 / $3.75
Context1.05M
Core tests taken4 of 8
GPT-6.1 Sol leads Gemini 3.8 Flash by 13 points, ahead on 1 of 3 shared core tests, at 2.7× the price.
Test by testindependent results · Epoch AI
GPT-6.1 SolGemini 3.8 Flash Only tests that at least two of these models have taken. Bold rows are the core tests shown on every profile; all of these results inform the index score. Task length (METR) is listed below the chart because it is a duration, not a percentage.