# DeepSeek V4 Flash 0731 vs Qwen3.6 Plus

> Side-by-side benchmark comparison for DeepSeek V4 Flash 0731 and Qwen3.6 Plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-flash-0731-vs-qwen3-6-plus
- Last updated: September 27, 2026

- Shared sourced benchmarks: 15
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick DeepSeek V4 Flash 0731 if you want the stronger benchmark profile. Qwen3.6 Plus only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- DeepSeek V4 Flash 0731 leads overall 57 to 54.59.
- The clearest category separation is in mathematics, where the averages are 79.9 for DeepSeek V4 Flash 0731 and 62 for Qwen3.6 Plus.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 69% and 48.2%.
- Qwen3.6 Plus is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | DeepSeek V4 Flash 0731 | Qwen3.6 Plus |
|----------|----------|----------|
| Creator | DeepSeek | Alibaba |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | 54.59 |
| Benchmarks Covered | 42 | 48 |
| Pricing (input/output) | $0.14 / $0.28 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 33.2 (Supported · #60/105)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 56.9% | 61.6% | Qwen3.6 Plus |
| BrowseComp | 73.2% | Coming soon | Coming soon |
| HLE w/ tools | 45.1% | Coming soon | Coming soon |
| MCP Atlas | 69% | 48.2% | DeepSeek V4 Flash 0731 |
| Toolathlon | 47.8% | 39.8% | DeepSeek V4 Flash 0731 |
| Terminal-Bench 2.1 | 82.7% | Coming soon | Coming soon |
| CyberGym | 76.7% | Coming soon | Coming soon |
| Toolathlon-Verified | 70.3% | Coming soon | Coming soon |
| Agents' Last Exam | 25.2% | Coming soon | Coming soon |
| AutomationBench | 25.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 67.0% | 53.2% | DeepSeek V4 Flash 0731 |
| Claw-Eval | Coming soon | 58.8% | Coming soon |
| QwenClawBench | Coming soon | 57.2% | Coming soon |
| τ³-bench results | Coming soon | 70.7% | Coming soon |
| VITA-Bench | Coming soon | 44.3% | Coming soon |
| DeepPlanning | Coming soon | 41.5% | Coming soon |
| MCP-Tasks | Coming soon | 74.1% | Coming soon |
| WideResearch | Coming soon | 74.3% | Coming soon |
| Gert Labs | Coming soon | 50.60% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |

### Coding

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 43.3 (Supported · #51/135)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pass@1-COT | 91.6% | Coming soon | Coming soon |
| Codeforces | 3052.0 | Coming soon | Coming soon |
| SWE-bench Verified | 79% | 78.8% | DeepSeek V4 Flash 0731 |
| SWE-bench Pro | 52.6% | 56.6% | Qwen3.6 Plus |
| SWE Multilingual | 73.3% | 73.8% | Qwen3.6 Plus |
| Terminal-Bench 2.0 | 56.9% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 82.7% | Coming soon | Coming soon |
| NL2Repo | 54.2% | Coming soon | Coming soon |
| DeepSWE | 54.4% | Coming soon | Coming soon |
| DSBench-FullStack | 68.7% | Coming soon | Coming soon |
| DSBench-Hard | 59.6% | Coming soon | Coming soon |
| VulcanBench v3 | 88.4% | Coming soon | Coming soon |
| OpenHarmony Bench | 53.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 87.3% | 86.0% | DeepSeek V4 Flash 0731 |
| SWE-bench (Vals) | 88.8% | 73.4% | DeepSeek V4 Flash 0731 |
| LiveCodeBench v6 | Coming soon | 87.1% | Coming soon |
| Vibe Code Bench | Coming soon | 25.56% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: 57 (Unranked · 4 rankable rows)
- Qwen3.6 Plus public-lane score: 61.2 (Unranked · 4 rankable rows)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 78.7% | Coming soon | Coming soon |
| CorpusQA 1M | 60.5% | Coming soon | Coming soon |
| ARC-AGI-1 | 89.00% | Coming soon | Coming soon |
| ARC-AGI-2 | 61.4% | Coming soon | Coming soon |
| AI-Needle | Coming soon | 68.3% | Coming soon |
| LongBench v2 | Coming soon | 62% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 66.2 (#24/50)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 86.0% | Coming soon |
| MMMU-Pro | Coming soon | 78.8% | Coming soon |
| MathVision | Coming soon | 88.0% | Coming soon |
| VideoMMMU | Coming soon | 84.0% | Coming soon |
| ScreenSpot Pro | Coming soon | 68.2% | Coming soon |
| CharXiv | Coming soon | 81.5% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 52.1 (Supported · #53/158)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 86.2% | 88.5% | Qwen3.6 Plus |
| SimpleQA | 34.1% | Coming soon | Coming soon |
| Chinese-SimpleQA | 78.9% | Coming soon | Coming soon |
| GPQA | 88.1% | 90.4% | Qwen3.6 Plus |
| GPQA-D | 88.1% | Coming soon | Coming soon |
| HLE | 34.8% | 28.8% | DeepSeek V4 Flash 0731 |
| GPQA Diamond (Vals) | 89.9% | 87.4% | DeepSeek V4 Flash 0731 |
| MMLU-Pro (Vals) | 86.2% | 87.7% | Qwen3.6 Plus |
| SuperGPQA | Coming soon | 71.6% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 93.3% | Coming soon |

### Multilingual

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 69.7 (#4/12)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 57.9% | Coming soon |

### Instruction Following

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 82.5 (#50/124)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 94.3% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- DeepSeek V4 Flash 0731 public-lane score: 79.9 (Unranked · 4 rankable rows)
- Qwen3.6 Plus public-lane score: 62 (#5/7)

| Benchmark | DeepSeek V4 Flash 0731 | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 94.8% | 87.8% | DeepSeek V4 Flash 0731 |
| IMOAnswerBench | 88.4% | Coming soon | Coming soon |
| Apex | 33.0% | Coming soon | Coming soon |
| Apex Shortlist | 85.7% | Coming soon | Coming soon |
| AIME26 | Coming soon | 95.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 96.7% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.6% | Coming soon |
| MMAnswerBench | Coming soon | 83.8% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 26.207% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 8.333% | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4 Flash 0731 or Qwen3.6 Plus?

DeepSeek V4 Flash 0731 is ahead overall on BenchLM right now.

### Where is the biggest gap between DeepSeek V4 Flash 0731 and Qwen3.6 Plus?

The widest category gap is in mathematics, where the averages are 79.9 for DeepSeek V4 Flash 0731 and 62 for Qwen3.6 Plus.

### How many benchmarks does DeepSeek V4 Flash 0731 cover on BenchLM?

DeepSeek V4 Flash 0731 currently has 42 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.6 Plus cover on BenchLM?

Qwen3.6 Plus currently has 48 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V4 Flash 0731 vs GPT-6 Astra](/compare/deepseek-v4-flash-0731-vs-gpt-6-astra)
- [Qwen3.6 Plus vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-6-plus)
- [DeepSeek V4 Flash 0731 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-flash-0731)
- [Qwen3.6 Plus vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-6-plus)

## Explore More

- [DeepSeek V4 Flash 0731 profile](/models/deepseek-v4-flash-0731)
- [Qwen3.6 Plus profile](/models/qwen3-6-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)