Key Takeaways
MiniMax M2.1 wins:
- Cheaper output tokens
- Higher intelligence benchmark
GPT-5.1-Codex-Mini wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Better at coding
- Better at math
- Supports vision
Price Advantage
MiniMax M2.1
Benchmark Advantage
GPT-5.1-Codex-Mini
Context Window
GPT-5.1-Codex-Mini
Speed
GPT-5.1-Codex-Mini
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | MiniMax M2.1 | GPT-5.1-Codex-Mini |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | MiniMax M2.1 | GPT-5.1-Codex-Mini |
|---|---|---|
| License | Open Source | Proprietary |
| Author | Minimax | OpenAI |
| Released | Dec 2025 | Nov 2025 |
MiniMax M2.1 Modalities
Input
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Output
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GPT-5.1-Codex-Mini Modalities
Input
imagetext
Output
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