GPT-5.6 Sol vs Gemini 3.8 Flash: scores, price and which to pick

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Our take

Gemini 3.8 Flash wins 3 of 4 categories and costs less: 5.3× cheaper for everyday text work. Easy pick.

Overall6871Best

Coding67Best66

Writing6780Best

Support6678Best

Value5466Best

Input / 1M$4.00$0.75Best

Output / 1M$20.00$3.75Best

Blended / 1M$8.00$1.50Best

Context window1.1MBest1M

Open weightsNoNo

Released9 Jul 20262 Sept 2026

Your monthly bill

Tasks per month50k

GPT-5.6 Sol$1.6k

Gemini 3.8 Flash$300Cheapest

List prices, a quarter of the tokens as output. Scores are provisional, from Arena and Epoch AI.