Claude Opus 4.1 vs Grok 4
Grok 4 offers 256K tokens context vs 200K tokens, Grok 4 is more cost-effective, Claude Opus 4.1 supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Opus 4.1
FastRouter
200K tokens context • $15.00 / $75.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Opus 4.1
Grok 4
Provider
FastRouter
FastRouter
Context Window
200K tokens
256K tokens
Max Output Tokens
32K tokens
64K tokens
Input Pricing (per 1M tokens)
$15.00
$3.00
Output Pricing (per 1M tokens)
$75.00
$15.00
Release Date
Aug 2025
Jul 2025
Capabilities
Capability
Claude Opus 4.1
Grok 4
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Opus 4.1 if:
Choose Grok 4 if:
- • You need a larger context window
- • Cost efficiency is a priority