Model Comparison
GPT-5 CodexMistral Medium 3
Let's see who can write code better - GPT-5 Codex or Mistral Medium 3
Model Information
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
Mistral Medium 3
Description
Balanced performance and cost model
Specifications
Context Window128K
Max Output4K
ReleasedApr 2024
API✓
Pricing (per 1M)
In / Out
$0.4/ $2
Key Features
Balanced performanceGood reasoningCode generationMulti-language support
Strengths
- ✓Good price-performance ratio
- ✓Better than small for complex tasks
- ✓Reliable API
- ✓Decent code generation
Weaknesses
- ✗More expensive than small
- ✗Less capable than large
- ✗Limited advanced features
Agent Support
No known agents