Model Comparison
GPT-5DeepSeek V3.1 Reasoner
Let's see who can write code better - GPT-5 or DeepSeek V3.1 Reasoner
Model Information
GPT-5
Description
Next-generation flagship model from OpenAI
Specifications
Context Window272K
Max Output33K
ReleasedJun 2025
API✓
Pricing (per 1M)
In / Out
$1.25/ $10
Key Features
AGI-level capabilitiesAdvanced reasoningMulti-modal native
Strengths
- ✓State-of-the-art performance
- ✓Unprecedented capabilities
- ✓Large context window
Weaknesses
- ✗Not yet released
- ✗Likely very expensive
- ✗Unknown specifications
DeepSeek V3.1 Reasoner
Description
DeepSeek V3.1 Thinking mode
Specifications
Context Window128K
Max Output33K
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