# Qwen: Qwen3.5 27B: AI model fact sheet

- **Provider:** qwen
- **Released:** 2026-02-25
- **Context window:** 262,144 tokens
- **Parameters:** 27B
- **API pricing:** $0.30 / 1M input, $2.40 / 1M output
- **OpenRouter ID:** qwen/qwen3.5-27b
- **Capabilities:** conversation, reasoning, code-generation, analysis, tool-use, agentic-tool-use, translation

The Qwen3.5 27B native vision-language Dense model incorporates a linear attention mechanism, delivering fast response times while balancing inference speed and performance. Its overall capabilities are comparable to those of the Qwen3.5-122B-A10B.

## Benchmarks

| Benchmark | Score |
| --- | --- |
| MMLU-Pro | 86.1 |
| GPQA Diamond | 85.5% |
| SWE-bench Verified | 72.4% |
| LiveCodeBench v6 | 80.7 |
| HMMT Feb 25 | 92.0% |
| IFEval | 95.0% |
| MMMU | 82.3 |

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/qwen3.5-27b