Claude Sonnet 4 vs Grok 4
Grok 4 offers 256K tokens context vs 200K tokens, Claude Sonnet 4 supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Sonnet 4
FastRouter
200K tokens context • $3.00 / $15.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Sonnet 4
Grok 4
Provider
FastRouter
FastRouter
Context Window
200K tokens
256K tokens
Max Output Tokens
64K tokens
64K tokens
Input Pricing (per 1M tokens)
$3.00
$3.00
Output Pricing (per 1M tokens)
$15.00
$15.00
Release Date
May 2025
Jul 2025
Capabilities
Capability
Claude Sonnet 4
Grok 4
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Sonnet 4 if:
Choose Grok 4 if:
- • You need a larger context window