Model Comparison
GPT-5.3 CodexMistral Large
Let's see who can write code better - GPT-5.3 Codex or Mistral Large
Model Information
GPT-5.3 Codex
Description
Next-generation coding-optimized model from OpenAI with enhanced autonomous development capabilities
Specifications
Context Window272K
Max Output33K
ReleasedFeb 2026
API✓
Pricing (per 1M)
In / Out
$1.5/ $12
Key Features
Advanced autonomous codingEnhanced code reviewMulti-step reasoningFull-stack development
Strengths
- ✓State-of-the-art coding benchmarks
- ✓Superior autonomous task completion
- ✓Excellent code review capabilities
- ✓Large context window
Weaknesses
- ✗Premium pricing
- ✗Optimized for coding over general tasks
Agent Support
No known agents
Mistral Large
Mistral AIv2407
Description
Flagship model with strong reasoning and multilingual capabilities
Specifications
Context Window128K
Max Output4K
ReleasedJul 2024
API✓
Pricing (per 1M)
In / Out
$2/ $6
Key Features
Function callingStrong multilingualCode generationReasoning capabilities
Strengths
- ✓Good price-performance ratio
- ✓Strong European language support
- ✓Reliable API
- ✓Good at following instructions
Weaknesses
- ✗Smaller ecosystem
- ✗Less capable than GPT-4/Claude
- ✗Limited multimodal support
Agent Support
No known agents