Grok Code Fast 1 vs Claude Opus 4
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
Grok Code Fast 1
Claude Opus 4
Provider
GitHub Copilot
GitHub Copilot
Context Window
256K tokens
80K tokens
Max Output Tokens
10K tokens
16K tokens
Release Date
Aug 2025
May 2025
Capabilities
Capability
Grok Code Fast 1
Claude Opus 4
Text Generation
Function Calling
Advanced Reasoning
Vision
File Attachments
Which Model Should You Choose?
Choose Grok Code Fast 1 if:
- • You need a larger context window