Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
GPT 6 Luna
Fast / BudgetGemini 3.1 Pro Custom Tools
Mid-tierQuality
Guidance
At scale
GPT 6 Luna and Gemini 3.1 Pro Custom Tools perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Gemini 3.1 Pro Custom Tools input costs $2.00/MTok, which is 1900% more than GPT 6 Luna at $0.10/MTok.
GPT 6 Luna 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 6 Luna 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.