Gemini 2.5 Flash vs Grok 4
Gemini 2.5 Flash offers 1.0M tokens context vs 256K tokens, Gemini 2.5 Flash is more cost-effective, Gemini 2.5 Flash supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Gemini 2.5 Flash
FastRouter
1.0M tokens context • $0.30 / $2.50 per 1M tokens
View full specifications →Detailed Comparison
Specification
Gemini 2.5 Flash
Grok 4
Provider
FastRouter
FastRouter
Context Window
1.0M tokens
256K tokens
Max Output Tokens
66K tokens
64K tokens
Input Pricing (per 1M tokens)
$0.30
$3.00
Output Pricing (per 1M tokens)
$2.50
$15.00
Release Date
Jun 2025
Jul 2025
Capabilities
Capability
Gemini 2.5 Flash
Grok 4
Text Generation
Vision
PDF Processing
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Gemini 2.5 Flash if:
- • You need a larger context window
- • Cost efficiency is a priority