Key Takeaways
Qwen2 1.5B wins:
- Cheaper input tokens
- Cheaper output tokens
Qwen3.5-27B wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Supports vision
- Supports tool calls
Price Advantage
Qwen2 1.5B
Benchmark Advantage
Qwen3.5-27B
Context Window
Qwen3.5-27B
Speed
Qwen3.5-27B
Pricing Comparison
Benchmark Comparison
Context & Performance
Capabilities
Feature Comparison
| Feature | Qwen2 1.5B | Qwen3.5-27B |
|---|---|---|
Vision (Image Input) | ||
Tool/Function Calls | ||
Reasoning Mode | ||
Audio Input | ||
Audio Output | ||
PDF Input | ||
Prompt Caching | ||
Web Search |
License & Release
| Property | Qwen2 1.5B | Qwen3.5-27B |
|---|---|---|
| License | Open Source | Open Source |
| Author | Qwen | Qwen |
| Released | Unknown | Feb 2026 |
Qwen2 1.5B Modalities
Input
Output
Qwen3.5-27B Modalities
Input
textimagevideo
Output
text