# DeepSeek V4.1 Flash vs DeepSeek V4 Flash 0731

> Side-by-side benchmark comparison for DeepSeek V4.1 Flash and DeepSeek V4 Flash 0731 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v4-1-flash-vs-deepseek-v4-flash-0731
- Last updated: September 10, 2026

- Shared sourced benchmarks: 13
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Treat this as a split decision: use the category and benchmark breakdown to decide which profile better matches your workload.

## Summary

- DeepSeek V4.1 Flash and DeepSeek V4 Flash 0731 are tied on overall score, so the decision depends on category fit rather than the headline number.
- The biggest single benchmark swing is Codeforces in Coding, with scores of 3471.0 and 3052.0.
- DeepSeek V4 Flash 0731 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 |
|----------|----------|----------|
| Creator | DeepSeek | DeepSeek |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 21 | 40 |
| Pricing (input/output) | $0.30 / $1.20 | $0.14 / $0.28 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 90.6% | 82.7% | DeepSeek V4.1 Flash |
| terminalBench3 | 30% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | 31.20% | Coming soon | Coming soon |
| CyberGym | 88.1% | 76.7% | DeepSeek V4.1 Flash |
| ExploitGym | 15.3% | Coming soon | Coming soon |
| HLE w/ tools | 63.9% | 45.1% | DeepSeek V4.1 Flash |
| AutomationBench | 54.8% | 25.1% | DeepSeek V4.1 Flash |
| Agents' Last Exam | 31.8% | 25.2% | DeepSeek V4.1 Flash |
| Terminal-Bench 2.0 | Coming soon | 56.9% | Coming soon |
| BrowseComp | Coming soon | 73.2% | Coming soon |
| MCP Atlas | Coming soon | 69% | Coming soon |
| Toolathlon | Coming soon | 47.8% | Coming soon |
| Toolathlon-Verified | Coming soon | 70.3% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 67.0% | Coming soon |

### Coding

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| Codeforces | 3471.0 | 3052.0 | DeepSeek V4.1 Flash |
| Terminal-Bench 2.1 | 90.6% | 82.7% | DeepSeek V4.1 Flash |
| terminalBench3 | 30% | Coming soon | Coming soon |
| DeepSWE | 74.2% | 54.4% | DeepSeek V4.1 Flash |
| ProgramBench | 20.3% | Coming soon | Coming soon |
| NL2Repo | 65.4% | 54.2% | DeepSeek V4.1 Flash |
| LiveCodeBench Pass@1-COT | Coming soon | 91.6% | Coming soon |
| SWE-bench Verified | Coming soon | 79% | Coming soon |
| SWE-bench Pro | Coming soon | 52.6% | Coming soon |
| SWE Multilingual | Coming soon | 73.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 56.9% | Coming soon |
| DSBench-FullStack | Coming soon | 68.7% | Coming soon |
| DSBench-Hard | Coming soon | 59.6% | Coming soon |
| VulcanBench v3 | Coming soon | 88.4% | Coming soon |
| OpenHarmony Bench | Coming soon | 53.8% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 87.3% | Coming soon |
| SWE-bench (Vals) | Coming soon | 88.8% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | 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 |

### Reasoning

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | Coming soon | 78.7% | Coming soon |
| CorpusQA 1M | Coming soon | 60.5% | Coming soon |

### Knowledge

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: Coming soon

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.9% | 88.1% | DeepSeek V4.1 Flash |
| GPQA-D | 90.9% | 88.1% | DeepSeek V4.1 Flash |
| HLE | 36.8% | 34.8% | DeepSeek V4.1 Flash |
| MMLU-Pro | Coming soon | 86.2% | Coming soon |
| SimpleQA | Coming soon | 34.1% | Coming soon |
| Chinese-SimpleQA | Coming soon | 78.9% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 89.9% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 86.2% | Coming soon |

### Mathematics

- Winner: Coming soon
- DeepSeek V4.1 Flash public-lane score: Coming soon
- DeepSeek V4 Flash 0731 public-lane score: 80 (Unranked · 4 rankable rows)

| Benchmark | DeepSeek V4.1 Flash | DeepSeek V4 Flash 0731 | Winner |
|-----------|-----------|-----------|--------|
| Apex | 65.6% | 33.0% | DeepSeek V4.1 Flash |
| HMMT Feb 2026 | Coming soon | 94.8% | Coming soon |
| IMOAnswerBench | Coming soon | 88.4% | Coming soon |
| Apex Shortlist | Coming soon | 85.7% | Coming soon |

## FAQ

### Which is better overall, DeepSeek V4.1 Flash or DeepSeek V4 Flash 0731?

DeepSeek V4.1 Flash and DeepSeek V4 Flash 0731 are tied on overall score in the current BenchLM data.

### 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 DeepSeek V4 Flash 0731 cover on BenchLM?

DeepSeek V4 Flash 0731 currently has 40 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)
- [DeepSeek V4 Flash 0731 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-deepseek-v4-flash-0731)
- [DeepSeek V4.1 Flash vs GPT-6 Astra](/compare/deepseek-v4-1-flash-vs-gpt-6-astra)
- [DeepSeek V4 Flash 0731 vs GPT-6 Astra](/compare/deepseek-v4-flash-0731-vs-gpt-6-astra)

## Explore More

- [DeepSeek V4.1 Flash profile](/models/deepseek-v4-1-flash)
- [DeepSeek V4 Flash 0731 profile](/models/deepseek-v4-flash-0731)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)
