tokevenGemini 3.1 Pro Custom Tools vs Grok 4.20 Non-Reasoning
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-tierGrok 4.20 Non-Reasoning
Mid-tierQuality
Task confidence comparison
Guidance
When to use Gemini 3.1 Pro Custom Tools vs Grok 4.20 Non-Reasoning
Choose Gemini 3.1 Pro Custom Tools when...
- -You need a larger context window (1,048.576K vs 1,000K)
- Similar performance; consider provider preference or ecosystem fit.
Choose Grok 4.20 Non-Reasoning when...
- -Cost matters: 38% cheaper on input tokens
At scale
Cost at scale
FAQ
When should I use Gemini 3.1 Pro Custom Tools instead of Grok 4.20 Non-Reasoning?
Gemini 3.1 Pro Custom Tools and Grok 4.20 Non-Reasoning perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Grok 4.20 Non-Reasoning cheaper than Gemini 3.1 Pro Custom Tools?
Yes. Grok 4.20 Non-Reasoning input costs $1.25/MTok vs $2.00/MTok for Gemini 3.1 Pro Custom Tools, saving 38% on input.
What are the context window sizes for Gemini 3.1 Pro Custom Tools and Grok 4.20 Non-Reasoning?
Gemini 3.1 Pro Custom Tools has a 1,048.576K token context window. Grok 4.20 Non-Reasoning has a 1,000K token context window.
Go deeper on either model
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
Grok 4.20 Non-Reasoning pricing & benchmarks
$1.25 / $2.50 per MTok
Grok 4.20 Non-Reasoning cost calculator
All Grok models
Grok 4.20 Non-Reasoning pricing history
Other comparisons
How Gemini 3.1 Pro Custom Tools and Grok 4.20 Non-Reasoning 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.