Model Comparison
Claude Opus 4.5Grok Code Fast 1
Let's see who can write code better - Claude Opus 4.5 or Grok Code Fast 1
Model Information
Claude Opus 4.5
Description
Most advanced Claude model with enhanced capabilities
Specifications
Context Window200K
Max Output8K
ReleasedNov 2025
API✓
Pricing (per 1M)
In / Out
$5/ $25
Key Features
State-of-the-art reasoningAdvanced code generationComplex problem solvingMulti-language supportVision capabilities
Strengths
- ✓More affordable than 4.1
- ✓Superior reasoning abilities
- ✓Excellent at complex tasks
- ✓Most advanced Claude model
Weaknesses
- ✗Higher cost
- ✗Slower response times
- ✗Overkill for simple tasks
Agent Support
No known agents
Grok Code Fast 1
Description
Fast code generation model from xAI
Specifications
Context Window128K
Max Output8K
ReleasedDec 2024
API✓
Pricing (per 1M)
In / Out
$0.2/ $1.5
Key Features
Fast code generationProgramming expertiseQuick responses
Strengths
- ✓Fast inference
- ✓Code-optimized
- ✓Cost-effective for coding
Weaknesses
- ✗Limited general knowledge
- ✗Focused on code only
Agent Support
No known agents