# Qwen3.5-27B vs Step 3.7 Flash

> Side-by-side benchmark comparison for Qwen3.5-27B and Step 3.7 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-5-27b-vs-step-3-7-flash
- Last updated: October 15, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Qwen3.5-27B and Step 3.7 Flash share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3.5-27B has the lower published output-token price.
- Qwen3.5-27B has the larger published context window at 262K.

## Model Snapshot

| Property | Qwen3.5-27B | Step 3.7 Flash |
|----------|----------|----------|
| Creator | Alibaba | StepFun |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 256K |
| Independent public score (not head-to-head) | 48.78 | 43.7 |
| Benchmarks Covered | 20 | 11 |
| Pricing (input/output) | $0.00 / $0.00 | $0.20 / $1.15 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 37 (Estimated · #75/126)
- Step 3.7 Flash public-lane score: 37.1 (Estimated · #74/126)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 41.6% | Coming soon | Coming soon |
| BrowseComp | 61% | 75.8% | Step 3.7 Flash |
| OSWorld-Verified | 56.2% | Coming soon | Coming soon |
| Gert Labs | 39.41% | 51.57% | Step 3.7 Flash |
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |
| DeepSearchQA | Coming soon | 92.8% | Coming soon |
| Toolathlon | Coming soon | 49.5% | Coming soon |
| Claw-Eval | Coming soon | 67.1% | Coming soon |
| HLE w/ tools | Coming soon | 47.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 32.1 (Estimated · #86/149)
- Step 3.7 Flash public-lane score: 30.2 (Estimated · #95/149)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 72.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | 80.7% | Coming soon | Coming soon |
| SWE-Rebench | 58.9% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 41.6% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 56.3% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 59.5% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 71.1 (Unranked · 3 rankable rows)
- Step 3.7 Flash public-lane score: 76.5 (Unranked · 2 rankable rows)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 60.6% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 67.5 (#37/54)
- Step 3.7 Flash public-lane score: 75.4 (Unranked · 3 rankable rows)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 82.3% | Coming soon | Coming soon |
| MMVU | 73.3% | Coming soon | Coming soon |
| MMMU-Pro | 75% | Coming soon | Coming soon |
| CharXiv | 79.5% | Coming soon | Coming soon |
| MathVision | 86.0% | Coming soon | Coming soon |
| V* | 93.7% | 95.3% | Step 3.7 Flash |
| SimpleVQA | Coming soon | 79.2% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 45.8 (Supported · #94/182)
- Step 3.7 Flash public-lane score: 45 (Estimated · #96/182)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 86.1% | Coming soon | Coming soon |
| SuperGPQA | 65.6% | Coming soon | Coming soon |
| GPQA | 85.5% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 87.1 (#10/17)
- Step 3.7 Flash public-lane score: Coming soon

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 82.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Qwen3.5-27B public-lane score: 92.9 (#14/146)
- Step 3.7 Flash public-lane score: 82.1 (#54/146)

| Benchmark | Qwen3.5-27B | Step 3.7 Flash | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 95% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Qwen3.5-27B and Step 3.7 Flash?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Qwen3.5-27B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-27b)
- [Step 3.7 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-step-3-7-flash)
- [Qwen3.5-27B vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-qwen3-5-27b)
- [Step 3.7 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-step-3-7-flash)

## Explore More

- [Qwen3.5-27B profile](/models/qwen3-5-27b)
- [Step 3.7 Flash profile](/models/step-3-7-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)