Model Comparison
Claude Opus 4.5OpenAI o4-mini
Let's see who can write code better - Claude Opus 4.5 or OpenAI o4-mini
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
OpenAI o4-mini
Description
Future iteration of reasoning models
Specifications
Context Window200K
Max Output66K
ReleasedJun 2025
API✓
Pricing (per 1M)
In / Out
$1.1/ $4.4
Key Features
Advanced reasoningFuture capabilitiesEfficient processing
Strengths
- ✓Next-gen reasoning
- ✓Improved efficiency
- ✓Better performance
Weaknesses
- ✗Not yet released
- ✗Purely speculative