Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 42.1. Qwen3.5 27B (Reasoning) is 6.7x cheaper at $0.30/1M tokens vs $2.00/1M.
| Metric | Qwen3.5 27B (Reasoning) | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 42.1 | 57.2 |
| Coding Score | 34.9 | 55.5 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 91 tok/s | 113 tok/s |
| Latency (TTFT) | 1.32s | 23.84s |
| Input Price / 1M tokens | $0.30 | $2.00 |
| Output Price / 1M tokens | $2.40 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms Qwen3.5 27B (Reasoning) on the intelligence index with a score of 57.2 compared to 42.1. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 34.9.
Gemini 3.1 Pro Preview generates output significantly faster at 113 tok/s compared to Qwen3.5 27B (Reasoning)'s 91 tok/s, making it 1.2x faster for streaming responses. Time to first token is 1.32s for Qwen3.5 27B (Reasoning) vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
Qwen3.5 27B (Reasoning) is more affordable at $0.30/1M input tokens ($2.40/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 6.7x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Qwen3.5 27B (Reasoning) would cost approximately $1.80/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose Qwen3.5 27B (Reasoning) when you need lower cost. Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 34.9), making it the better choice for programming tasks.
Qwen3.5 27B (Reasoning) is cheaper at $0.30/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
Gemini 3.1 Pro Preview is faster, producing output at 113 tok/s compared to Qwen3.5 27B (Reasoning)'s 91 tok/s.
No, Qwen3.5 27B (Reasoning) does not support image input. However, Gemini 3.1 Pro Preview does support images.
Data last synced: March 26, 2026
| 1.0M |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Audio + File + Image + Text + Video |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but Qwen3.5 27B (Reasoning) may be better for specific use cases like budget-conscious projects or speed-critical applications.