tokevenGemini 3.1 Pro Custom Tools vs Kimi K2
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Gemini 3.1 Pro Custom Tools
Mid-tierKimi K2
Mid-tierQuality
Task confidence comparison
Guidance
When to use Gemini 3.1 Pro Custom Tools vs Kimi K2
Choose Gemini 3.1 Pro Custom Tools when...
- -You need a larger context window (1.0M vs 256K)
- Similar performance; consider provider preference or ecosystem fit.
Choose Kimi K2 when...
- -Cost matters: 53% cheaper on input tokens
At scale
Cost at scale
FAQ
When should I use Gemini 3.1 Pro Custom Tools instead of Kimi K2?
Gemini 3.1 Pro Custom Tools and Kimi K2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Kimi K2 cheaper than Gemini 3.1 Pro Custom Tools?
Yes. Kimi K2 input costs $0.95/MTok vs $2.00/MTok for Gemini 3.1 Pro Custom Tools, saving 53% on input.
What are the context window sizes for Gemini 3.1 Pro Custom Tools and Kimi K2?
Gemini 3.1 Pro Custom Tools has a 1.0M token context window. Kimi K2 has a 256K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Gemini 3.1 Pro Custom Tools and Kimi K2 stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.