Model Comparison
GPT-5 CodexGrok 3 Mini
Let's see who can write code better - GPT-5 Codex or Grok 3 Mini
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
Grok 3 Mini
Description
Efficient and cost-effective version of Grok 3
Specifications
Context Window128K
Max Output8K
ReleasedNov 2024
API✓
Pricing (per 1M)
In / Out
$0.3/ $0.5
Key Features
Cost-effectiveFast inferenceGood performance
Strengths
- ✓Very affordable
- ✓Fast responses
- ✓Good value for money
Weaknesses
- ✗Reduced capabilities vs full Grok 3
- ✗Smaller context window