Model Comparison
GPT-4.1 MiniGPT-5.3 Codex
Let's see who can write code better - GPT-4.1 Mini or GPT-5.3 Codex
Model Information
GPT-4.1 Mini
Description
Compact version of GPT-4.1 with efficient performance
Specifications
Context Window128K
Max Output8K
ReleasedJan 2025
API✓
Pricing (per 1M)
In / Out
$0.4/ $1.6
Key Features
Cost-effectiveFast inferenceGood performance
Strengths
- ✓Lower cost than full GPT-4.1
- ✓Fast response times
- ✓Still capable
Weaknesses
- ✗Not yet released
- ✗Reduced capabilities vs full GPT-4.1
Agent Support
No known agents
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