Model Comparison
Claude Sonnet 4.5Claude Haiku 3.5
Let's see who can write code better - Claude Sonnet 4.5 or Claude Haiku 3.5
Model Information
Claude Sonnet 4.5
Description
Balanced Claude 4.5 model with excellent performance
Specifications
Context Window200K
Max Output8K
ReleasedSep 2025
API✓
Pricing (per 1M)
In / Out
$3/ $15
Key Features
Balanced performanceAdvanced reasoningCode generationMulti-modal capabilities
Strengths
- ✓Good price-performance ratio
- ✓Versatile capabilities
- ✓Fast inference
- ✓Strong at most tasks
Weaknesses
- ✗Not as powerful as Opus
- ✗Higher cost than Haiku
- ✗May struggle with very complex 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