Model Comparison
GPT-5GPT-5 Codex
Let's see who can write code better - GPT-5 or GPT-5 Codex
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
GPT-5 Codex
Description
Flagship model from OpenAI optimised for coding tasks
Specifications
Context Window272K
Max Output33K
ReleasedSep 2025
API✓
Pricing (per 1M)
In / Out
$1.25/ $10
Key Features
CodingAdvanced reasoningMulti-modal native
Strengths
- ✓State-of-the-art performance
- ✓Optimised for coding
- ✓Large context window
Weaknesses
- ✗Likely very expensive
- ✗Unknown specifications
Agent Support
No known agents