Model Comparison
GPT-5.3 CodexCodestral
Let's see who can write code better - GPT-5.3 Codex or Codestral
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
Codestral
Description
Specialized code generation model from Mistral AI
Specifications
Context Window32K
Max Output4K
ReleasedMay 2024
API✓
Pricing (per 1M)
In / Out
$0.3/ $0.9
Key Features
Code generationCode completionMulti-language supportFast inference
Strengths
- ✓Optimized for coding tasks
- ✓Good performance
- ✓Cost-effective
- ✓Fast responses
Weaknesses
- ✗Limited to coding tasks
- ✗Smaller context than general models
- ✗Not suitable for general text tasks
Agent Support
No known agents