Model Comparison
Claude Opus 4.5DeepSeek V3.1 Chat
Let's see who can write code better - Claude Opus 4.5 or DeepSeek V3.1 Chat
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
DeepSeek V3.1 Chat
Description
DeepSeek V3.1 Non-thinking mode
Specifications
Context Window128K
Max Output4K
ReleasedDec 2024
API✓
Pricing (per 1M)
In / Out
$0.07/ $1.68
Key Features
Performance improvementsBug fixesBetter stability
Strengths
- ✓More reliable than V3
- ✓Better performance
- ✓Improved efficiency
Weaknesses
- ✗Incremental improvements only
- ✗Still limited API access
Agent Support
No known agents