# DeepSeek V4.1 Flash vs Qwen3.8-Flash-Next

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash and Qwen3.8-Flash-Next across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-qwen3-8-flash-next
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Qwen3.8-Flash-Next if you want the stronger benchmark profile. DeepSeek V4.1 Flash only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Qwen3.8-Flash-Next leads overall 58.55 to 55.
- The biggest single benchmark swing is Agents' Last Exam in Agentic, with scores of 31.8% and 51.2%.
- Qwen3.8-Flash-Next is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- DeepSeek V4.1 Flash also has the larger context window at 1M.

## Model Snapshot

| Property | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next |
|----------|----------|----------|
| Creator | DeepSeek | Alibaba |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | null | 58.55 |
| Benchmarks Covered | 21 | 24 |
| Pricing (input/output) | $0.30 / $1.20 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 59.2 (Estimated · #27/152)

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 31.20% | Coming soon | Coming soon |
| CyberGym | 88.1% | Coming soon | Coming soon |
| ExploitGym | 15.3% | Coming soon | Coming soon |
| HLE w/ tools | 63.9% | Coming soon | Coming soon |
| AutomationBench | 54.8% | Coming soon | Coming soon |
| Agents' Last Exam | 31.8% | 51.2% | Qwen3.8-Flash-Next |
| CoWorkBench | Coming soon | 73.9% | Coming soon |
| JobBench | Coming soon | 55.7% | Coming soon |
| Toolathlon-Verified | Coming soon | 73.5% | Coming soon |
| AndroidWorld | Coming soon | 84.5% | Coming soon |
| OSWorld 2.0 | Coming soon | 19.4% | Coming soon |

### Coding

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 57.9 (Supported · #31/151)

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 90.6% | Coming soon | Coming soon |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 74.2% | 58.7% | DeepSeek V4.1 Flash |
| ProgramBench | 20.3% | Coming soon | Coming soon |
| NL2Repo | 65.4% | 48.1% | DeepSeek V4.1 Flash |
| SWE-bench Pro | Coming soon | 62.5% | Coming soon |
| SWE Multilingual | Coming soon | 81% | Coming soon |
| LiveCodeBench v6 | Coming soon | 91.9% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 83.3 (#7/48)

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Chartography (tools) | 78.9% | Coming soon | Coming soon |
| BabyVision w/ Python | 89.6% | Coming soon | Coming soon |
| ZeroBench w/ Python | 49.0% | Coming soon | Coming soon |
| Vision2Web | Coming soon | 64.0% | Coming soon |
| ERQA | Coming soon | 72.3% | Coming soon |
| LVBench | Coming soon | 76.6% | Coming soon |
| RealWorldQA | Coming soon | 88.5% | Coming soon |
| MathVision | Coming soon | 90.6% | Coming soon |
| MathVision w/ Python | Coming soon | 95.7% | Coming soon |
| CharXiv w/o tools | Coming soon | 84.6% | Coming soon |
| CharXiv | Coming soon | 90.6% | Coming soon |

### Reasoning

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 75.8 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 55.9 (Supported · #52/182)

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | 91.7% | Qwen3.8-Flash-Next |
| GPQA-D | 90.9% | 91.7% | Qwen3.8-Flash-Next |
| HLE | 36.8% | 35.9% | DeepSeek V4.1 Flash |
| HLE w/o tools | Coming soon | 35.9% | Coming soon |

### Instruction Following

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: 88 (#32/121)

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.3% | Coming soon |

### Mathematics

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- Qwen3.8-Flash-Next public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | Qwen3.8-Flash-Next | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | Coming soon | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4.1 Flash or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next is ahead overall on BenchLM right now.

### How many benchmarks does DeepSeek V4.1 Flash cover on BenchLM?

DeepSeek V4.1 Flash currently has 21 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.8-Flash-Next cover on BenchLM?

Qwen3.8-Flash-Next currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V4.1 Flash vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-1-flash)
- [Qwen3.8-Flash-Next vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-8-flash-next)
- [DeepSeek V4.1 Flash vs GPT-6 Astra](/compare/deepseek-v4-1-flash-vs-gpt-6-astra)
- [Qwen3.8-Flash-Next vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-8-flash-next)

## Explore More

- [DeepSeek V4.1 Flash profile](/models/deepseek-v4-1-flash)
- [Qwen3.8-Flash-Next profile](/models/qwen3-8-flash-next)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)