Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
GPT 5.6 Sol
FlagshipGemini 3.1 Pro Custom Tools
Mid-tierQuality
Guidance
At scale
GPT 5.6 Sol and Gemini 3.1 Pro Custom Tools perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Yes. Gemini 3.1 Pro Custom Tools input costs $2.00/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 50% on input.
GPT 5.6 Sol has a 922K token context window. Gemini 3.1 Pro Custom Tools has a 1,048.576K token context window.
Per-call cost calculators, provider lineups, and price history for both models on this page.
How GPT 5.6 Sol and Gemini 3.1 Pro Custom Tools stack up against the rest of the field.
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.