Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Gemini 3.1 Pro Custom Tools
Mid-tierDeepSeek Flash
Fast / BudgetQuality
Guidance
At scale
Gemini 3.1 Pro Custom Tools and DeepSeek Flash perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Yes. DeepSeek Flash input costs $0.15/MTok vs $2.00/MTok for Gemini 3.1 Pro Custom Tools, saving 93% on input.
Gemini 3.1 Pro Custom Tools has a 1.0M token context window. DeepSeek Flash has a 1M token context window.
Per-call cost calculators, provider lineups, and price history for both models on this page.
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
DeepSeek Flash pricing & benchmarks
$0.15 / $0.60 per MTok
DeepSeek Flash cost calculator
All DeepSeek models
DeepSeek Flash pricing history
How Gemini 3.1 Pro Custom Tools and DeepSeek Flash stack up against the rest of the field.
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.