Claude Opus 4 vs Grok Code Fast 1
Grok Code Fast 1 offers 256K tokens context vs 80K tokens, Claude Opus 4 supports vision. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
Claude Opus 4
Grok Code Fast 1
Provider
GitHub Copilot
GitHub Copilot
Context Window
80K tokens
256K tokens
Max Output Tokens
16K tokens
10K tokens
Release Date
May 2025
Aug 2025
Capabilities
Capability
Claude Opus 4
Grok Code Fast 1
Text Generation
Vision
Advanced Reasoning
File Attachments
Function Calling
Which Model Should You Choose?
Choose Claude Opus 4 if:
Choose Grok Code Fast 1 if:
- • You need a larger context window