# Qwen3.5 397B vs Beam

> Side-by-side benchmark comparison for Qwen3.5 397B and Beam across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-5-397b-vs-reflection-beam
- Last updated: October 5, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Qwen3.5 397B if you want the stronger benchmark profile. Beam only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.5 397B leads overall 52 to 0.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 46.1% and 78.7%.
- Beam is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.5 397B also has the larger context window at 128K.

## Model Snapshot

| Property | Qwen3.5 397B | Beam |
|----------|----------|----------|
| Creator | Alibaba | Reflection AI |
| Type | Open Weight | Pending |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | null |
| Overall Score | null | null |
| Benchmarks Covered | 38 | 16 |
| Pricing (input/output) | $0.60 / $3.60 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Qwen3.5 397B public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 52.5% | Coming soon | Coming soon |
| BrowseComp | 62% | 77.4% | Beam |
| Claw-Eval | 56.8% | Coming soon | Coming soon |
| QwenClawBench | 51.8% | Coming soon | Coming soon |
| τ³-bench results | 68.4% | Coming soon | Coming soon |
| VITA-Bench | 43.7% | Coming soon | Coming soon |
| DeepPlanning | 37.6% | Coming soon | Coming soon |
| Toolathlon | 36.3% | Coming soon | Coming soon |
| MCP Atlas | 46.1% | 78.7% | Beam |
| MCP-Tasks | 74.2% | Coming soon | Coming soon |
| WideResearch | 74.0% | Coming soon | Coming soon |
| Gert Labs | 46.76% | Coming soon | Coming soon |
| ResearchClawBench | 14.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| DeepSearchQA | Coming soon | 80.1% | Coming soon |

### Coding

- Winner: Not comparable
- Qwen3.5 397B public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.2% | 80.9% | Beam |
| LiveCodeBench v6 | 83.6% | Coming soon | Coming soon |
| SWE-bench Pro | 50.9% | 65.5% | Beam |
| DeepSWE | Coming soon | 44.4% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 80.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 34.6% | Coming soon |
| SWE Multilingual | Coming soon | 78% | Coming soon |
| SciCode | Coming soon | 49.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 60.9 (Unranked · 2 rankable rows)
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 63.2% | 65.5% | Beam |
| AI-Needle | 68.7% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 63.9 (#27/49)
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 79% | Coming soon | Coming soon |
| MathVision | 88.6% | Coming soon | Coming soon |
| CharXiv | 80.8% | Coming soon | Coming soon |
| VideoMMMU | 84.7% | Coming soon | Coming soon |
| ScreenSpot Pro | 65.6% | Coming soon | Coming soon |
| V* | 95.8% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Qwen3.5 397B public-lane score: Coming soon
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 88.4% | Coming soon | Coming soon |
| SuperGPQA | 70.4% | Coming soon | Coming soon |
| MMLU-Pro | 87.8% | Coming soon | Coming soon |
| MMLU-Redux | 94.9% | Coming soon | Coming soon |
| C-Eval | 93% | Coming soon | Coming soon |
| HLE | 28.7% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 90.5% | Coming soon |
| HLE w/o tools | Coming soon | 36.2% | Coming soon |

### Multilingual

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 93.8 (#5/16)
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 84.7% | Coming soon | Coming soon |
| NOVA-63 | 59.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 0 (#125/125)
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 92.6% | Coming soon | Coming soon |
| IFBench | Coming soon | 79.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 73.5 (Unranked · 5 rankable rows)
- Beam public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 93.3% | 97.8% | Beam |
| HMMT Feb 2025 | 94.8% | Coming soon | Coming soon |
| HMMT Nov 2025 | 92.7% | Coming soon | Coming soon |
| HMMT Feb 2026 | 87.9% | Coming soon | Coming soon |
| MMAnswerBench | 80.9% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Qwen3.5 397B or Beam?

Qwen3.5 397B is ahead overall on BenchLM right now.

### How many benchmarks does Qwen3.5 397B cover on BenchLM?

Qwen3.5 397B currently has 38 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam cover on BenchLM?

Beam currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Qwen3.5 397B vs Qwen3.5 397B (Reasoning)](/compare/qwen3-5-397b-vs-qwen3-5-397b-reasoning)
- [Beam vs Qwen3.5 397B (Reasoning)](/compare/qwen3-5-397b-reasoning-vs-reflection-beam)
- [Qwen3.5 397B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-5-397b)
- [Beam vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-reflection-beam)

## Explore More

- [Qwen3.5 397B profile](/models/qwen3-5-397b)
- [Beam profile](/models/reflection-beam)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)