Model Comparison
Claude Opus 4.5Claude Haiku 3.5
Let's see who can write code better - Claude Opus 4.5 or Claude Haiku 3.5
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 Haiku 3.5
Description
Fast and efficient Claude model with improved capabilities
Specifications
Context Window200K
Max Output8K
ReleasedNov 2024
API✓
Pricing (per 1M)
In / Out
$0.8/ $4
Key Features
Fast inferenceCost-effectiveGood for simple tasksMulti-language support
Strengths
- ✓Very fast responses
- ✓Low cost per token
- ✓Good for high-volume tasks
- ✓Efficient resource usage
Weaknesses
- ✗Less capable on complex tasks
- ✗Limited reasoning depth
- ✗Not suitable for advanced coding