Model Comparison
Claude Opus 4.5GPT-5 Nano
Let's see who can write code better - Claude Opus 4.5 or GPT-5 Nano
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
GPT-5 Nano
Description
Ultra-lightweight version of GPT-5
Specifications
Context Window272K
Max Output4K
ReleasedJun 2025
API✓
Pricing (per 1M)
In / Out
$0.05/ $0.4
Key Features
Minimal resource usageEdge deployment readyBasic GPT-5 capabilities
Strengths
- ✓Very low cost
- ✓Fast responses
- ✓Good for simple tasks
Weaknesses
- ✗Not yet released
- ✗Limited capabilities