Model Comparison
GPT-5 NanoOpenAI o3
Let's see who can write code better - GPT-5 Nano or OpenAI o3
Model Information
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
Agent Support
OpenAI o3
Description
Next generation reasoning model
Specifications
Context Window200K
Max Output100K
ReleasedMar 2025
API✓
Pricing (per 1M)
In / Out
$2/ $8
Key Features
Enhanced reasoningImproved capabilitiesBetter performance
Strengths
- ✓State-of-the-art reasoning
- ✓Improved over o1
- ✓Better efficiency
Weaknesses
- ✗Not yet released
- ✗Specifications unknown