Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Claude Sonnet 5
Mid-tierGemini 3.1 Pro Custom Tools
Mid-tierQuality
Guidance
At scale
Claude Sonnet 5 and Gemini 3.1 Pro Custom Tools perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Both models have the same input pricing at $2.00/MTok. Compare output pricing: $10.00 vs $12.00/MTok.
Claude Sonnet 5 has a 1,000K 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.
Claude Sonnet 5 pricing & benchmarks
$2.00 / $10.00 per MTok
Claude Sonnet 5 cost calculator
All Claude models
Claude Sonnet 5 pricing history
Gemini 3.1 Pro Custom Tools pricing & benchmarks
$2.00 / $12.00 per MTok
Gemini 3.1 Pro Custom Tools cost calculator
All Gemini models
Gemini 3.1 Pro Custom Tools pricing history
How Claude Sonnet 5 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.