# Qwen3.5 397B vs Beam 1.0 501B-A23B NVFP4

> Side-by-side benchmark comparison for Qwen3.5 397B and Beam 1.0 501B-A23B NVFP4 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/qwen3-5-397b-vs-reflection-beam-nvfp4
- Last updated: October 16, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Beam 1.0 501B-A23B NVFP4 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Beam 1.0 501B-A23B NVFP4 has the higher overall point estimate 70 to 55.34. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 74.9 for Qwen3.5 397B and 85.5 for Beam 1.0 501B-A23B NVFP4.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 46.1% and 80.5%.
- Beam 1.0 501B-A23B NVFP4 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Beam 1.0 501B-A23B NVFP4 also has the larger context window at 1M.

## Model Snapshot

| Property | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 |
|----------|----------|----------|
| Creator | Alibaba | Reflection AI |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Overall Score | 55.34 | null |
| Benchmarks Covered | 62 | 19 |
| Pricing (input/output) | $0.60 / $3.60 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 43.9 (Estimated · #61/128)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 52.5% | Coming soon | Coming soon |
| BrowseComp | 69% | 75.6% | Beam 1.0 501B-A23B NVFP4 |
| OSWorld-Verified | 62.2% | Coming soon | Coming soon |
| Claw-Eval | 56.8% | Coming soon | Coming soon |
| QwenClawBench | 51.8% | Coming soon | Coming soon |
| τ³-bench results | 68.4% | 35.4% | Qwen3.5 397B |
| 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% | 80.5% | Beam 1.0 501B-A23B NVFP4 |
| 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 |
| HLE w/ tools | Coming soon | 51.1% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 78.4% | Coming soon |
| DeepSearchQA | Coming soon | 81.1% | Coming soon |

### Coding

- Winner: Not comparable
- Qwen3.5 397B public-lane score: Coming soon
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.2% | 80.7% | Beam 1.0 501B-A23B NVFP4 |
| LiveCodeBench v6 | 83.6% | Coming soon | Coming soon |
| SWE-bench Pro | 50.9% | 65.6% | Beam 1.0 501B-A23B NVFP4 |
| SWE Multilingual | 69.3% | 77.5% | Beam 1.0 501B-A23B NVFP4 |
| NL2Repo | 32.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 52.5% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 42.7% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 78.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 31.4% | Coming soon |
| SciCode | Coming soon | 46.9% | Coming soon |

### Reasoning

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 74.9 (Unranked · 2 rankable rows)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 85.5 (Unranked · 3 rankable rows)

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 63.2% | 67.2% | Beam 1.0 501B-A23B NVFP4 |
| AI-Needle | 68.7% | Coming soon | Coming soon |
| CritPt | Coming soon | 15.4% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 73.6 (#29/54)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 85.0% | Coming soon | Coming soon |
| MMMU-Pro | 79% | Coming soon | Coming soon |
| RealWorldQA | 83.9% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 90.8% | Coming soon | Coming soon |
| Video-MME (with subtitle) | 87.5% | Coming soon | Coming soon |
| Video-MME (w/o subtitle) | 83.7% | Coming soon | Coming soon |
| MathVision | 88.6% | Coming soon | Coming soon |
| We-Math | 87.9% | Coming soon | Coming soon |
| DynaMath | 86.3% | Coming soon | Coming soon |
| SimpleVQA | 67.1% | Coming soon | Coming soon |
| CharXiv | 80.8% | Coming soon | Coming soon |
| MMLongBench-Doc | 61.5% | Coming soon | Coming soon |
| CC-OCR | 82.0% | Coming soon | Coming soon |
| AI2D_TEST | 93.9% | Coming soon | Coming soon |
| CountBench | 97.2% | Coming soon | Coming soon |
| RefCOCO (avg) | 92.3% | Coming soon | Coming soon |
| ODINW13 | 47.0% | Coming soon | Coming soon |
| ERQA | 67.5% | Coming soon | Coming soon |
| VideoMMMU | 84.7% | Coming soon | Coming soon |
| MLVU (M-Avg) | 86.7% | 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: 53 (Estimated · #68/184)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | 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 | 89.3% | Coming soon |
| HLE w/o tools | Coming soon | 34.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 93.8 (#5/17)
- Beam 1.0 501B-A23B NVFP4 public-lane score: Coming soon

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 84.7% | Coming soon | Coming soon |
| NOVA-63 | 59.1% | Coming soon | Coming soon |
| INCLUDE | 85.6% | Coming soon | Coming soon |
| PolyMath | 73.3% | Coming soon | Coming soon |
| MAXIFE | 88.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Beam 1.0 501B-A23B NVFP4
- Qwen3.5 397B public-lane score: 79.9 (#59/148)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 86.2 (#44/148)

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 92.6% | Coming soon | Coming soon |
| IFBench | 76.5% | 79.2% | Beam 1.0 501B-A23B NVFP4 |

### Mathematics

- Winner: Not comparable
- Qwen3.5 397B public-lane score: 81.7 (Unranked · 5 rankable rows)
- Beam 1.0 501B-A23B NVFP4 public-lane score: 87.9 (Unranked · 1 rankable row)

| Benchmark | Qwen3.5 397B | Beam 1.0 501B-A23B NVFP4 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 93.3% | 97.5% | Beam 1.0 501B-A23B NVFP4 |
| 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 1.0 501B-A23B NVFP4?

Beam 1.0 501B-A23B NVFP4 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Qwen3.5 397B and Beam 1.0 501B-A23B NVFP4?

The widest category gap is in reasoning, where the averages are 74.9 for Qwen3.5 397B and 85.5 for Beam 1.0 501B-A23B NVFP4.

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

Qwen3.5 397B currently has 62 sourced benchmark scores on BenchLM.

### How many benchmarks does Beam 1.0 501B-A23B NVFP4 cover on BenchLM?

Beam 1.0 501B-A23B NVFP4 currently has 19 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 1.0 501B-A23B NVFP4 vs Qwen3.5 397B (Reasoning)](/compare/qwen3-5-397b-reasoning-vs-reflection-beam-nvfp4)
- [Qwen3.5 397B vs Beam 1.0 501B-A23B](/compare/qwen3-5-397b-vs-reflection-beam)
- [Beam 1.0 501B-A23B NVFP4 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-nvfp4)

## Explore More

- [Qwen3.5 397B profile](/models/qwen3-5-397b)
- [Beam 1.0 501B-A23B NVFP4 profile](/models/reflection-beam-nvfp4)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)