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GPT-6 Sol vs Gemini 3.8 Flash

GPT-6 SolOpenAI
Gemini 3.8 FlashGoogle
Our take

Gemini 3.8 Flash wins 4 of 4 categories and costs less: 2.7× cheaper for everyday text work. Easy pick.

Overall5271Best
Coding6266Best
Writing3680Best
Support3778Best
Value4266Best
Input / 1M$2.00$0.75Best
Output / 1M$10.00$3.75Best
Blended / 1M$4.00$1.50Best
Context window1.1MBest1M
Open weightsNoNo
Released22 Sept 20262 Sept 2026

Your monthly bill

50k
GPT-6 Sol$800
Gemini 3.8 Flash$300Cheapest
List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.