Model Comparison
Claude Opus 4.6Claude Sonnet 4
Let's see who can write code better - Claude Opus 4.6 or Claude Sonnet 4
Model Information
Claude Opus 4.6
Description
Latest flagship Claude model with breakthrough coding and agentic capabilities
Specifications
Context Window200K
Max Output16K
ReleasedFeb 2026
API✓
Pricing (per 1M)
In / Out
$5/ $25
Key Features
Breakthrough reasoningAdvanced agentic codingComplex problem solvingMulti-language supportVision capabilities
Strengths
- ✓State-of-the-art coding performance
- ✓Superior agentic task handling
- ✓Excellent at long-horizon tasks
- ✓Most capable Claude model to date
Weaknesses
- ✗Premium pricing
- ✗Slower response times
- ✗Overkill for simple tasks
Agent Support
No known agents
Claude Sonnet 4
Description
Balanced Claude 4 model with excellent performance
Specifications
Context Window200K
Max Output8K
ReleasedJan 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