Model Comparison
Claude Opus 4.5Claude Opus 4
Let's see who can write code better - Claude Opus 4.5 or Claude Opus 4
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
Claude Opus 4
Description
Next-generation flagship model with enhanced capabilities
Specifications
Context Window200K
Max Output8K
ReleasedJan 2025
API✓
Pricing (per 1M)
In / Out
$15/ $75
Key Features
Next-gen capabilitiesEnhanced reasoningAdvanced code generationMulti-modal support
Strengths
- ✓State-of-the-art performance
- ✓Superior capabilities
- ✓Advanced problem solving
- ✓Excellent context handling
Weaknesses
- ✗Premium pricing
- ✗Slower inference
- ✗Resource intensive