Key Takeaways
GPT-5.1-Codex-Mini wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Better at math
- Has reasoning mode
Qwen3.5 397B A17B wins:
- Cheaper output tokens
- Higher intelligence benchmark
- Better at coding
Price Advantage
GPT-5.1-Codex-Mini
Benchmark Advantage
Qwen3.5 397B A17B
Context Window
GPT-5.1-Codex-Mini
Speed
GPT-5.1-Codex-Mini
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | GPT-5.1-Codex-Mini | Qwen3.5 397B A17B |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | GPT-5.1-Codex-Mini | Qwen3.5 397B A17B |
|---|---|---|
| License | Proprietary | Open Source |
| Author | OpenAI | Qwen |
| Released | Nov 2025 | Feb 2026 |
GPT-5.1-Codex-Mini Modalities
Input
imagetext
Output
text
Qwen3.5 397B A17B Modalities
Input
textimagevideo
Output
text