# DeepSeek V4 Flash 0731 vs Muse Spark Open

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

- Canonical page: https://benchlm.ai/compare/deepseek-v4-flash-0731-vs-muse-spark-open
- Last updated: October 15, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: DeepSeek V4 Flash 0731 and Muse Spark Open share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Muse Spark Open has the lower published output-token price.

## Model Snapshot

| Property | DeepSeek V4 Flash 0731 | Muse Spark Open |
|----------|----------|----------|
| Creator | DeepSeek | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | null | 62.66 |
| Benchmarks Covered | 42 | 7 |
| Pricing (input/output) | $0.14 / $0.28 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Muse Spark Open public-lane score: 60.2 (Estimated · #27/127)

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 56.9% | Coming soon | Coming soon |
| BrowseComp | 73.2% | Coming soon | Coming soon |
| HLE w/ tools | 45.1% | 61.0% | Muse Spark Open |
| MCP Atlas | 69% | 89.2% | Muse Spark Open |
| Toolathlon | 47.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 82.7% | Coming soon | Coming soon |
| CyberGym | 76.7% | Coming soon | Coming soon |
| Toolathlon-Verified | 70.3% | 72.8% | Muse Spark Open |
| Agents' Last Exam | 25.2% | Coming soon | Coming soon |
| AutomationBench | 25.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 67.0% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| JobBench | Coming soon | 61.8% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Muse Spark Open public-lane score: 56.1 (Supported · #29/150)

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench Pass@1-COT | 91.6% | Coming soon | Coming soon |
| Codeforces | 3052.0 | Coming soon | Coming soon |
| SWE-bench Verified | 79% | Coming soon | Coming soon |
| SWE-bench Pro | 52.6% | Coming soon | Coming soon |
| SWE Multilingual | 73.3% | Coming soon | Coming soon |
| 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% | Coming soon | Coming soon |
| SWE-bench (Vals) | 88.8% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: 60.8 (Unranked · 4 rankable rows)
- Muse Spark Open public-lane score: 79.6 (Unranked · 2 rankable rows)

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | 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 |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Muse Spark Open public-lane score: 83.6 (Unranked · 4 rankable rows)

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| ZeroBench | Coming soon | 50.0% | Coming soon |
| BabyVision | Coming soon | 80.2% | Coming soon |
| SimpleVQA | Coming soon | 73.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: Coming soon
- Muse Spark Open public-lane score: 64.6 (Supported · #38/184)

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 86.2% | Coming soon | Coming soon |
| Chinese-SimpleQA | 78.9% | Coming soon | Coming soon |
| GPQA | 88.1% | Coming soon | Coming soon |
| GPQA-D | 88.1% | Coming soon | Coming soon |
| HLE | 34.8% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 89.9% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.2% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- DeepSeek V4 Flash 0731 public-lane score: 87.1 (Unranked · 4 rankable rows)
- Muse Spark Open public-lane score: Coming soon

| Benchmark | DeepSeek V4 Flash 0731 | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| HMMT Feb 2026 | 94.8% | Coming soon | Coming soon |
| IMOAnswerBench | 88.4% | Coming soon | Coming soon |
| Apex | 33.0% | Coming soon | Coming soon |
| Apex Shortlist | 85.7% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between DeepSeek V4 Flash 0731 and Muse Spark Open?

Not yet. The models share only 3 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [DeepSeek V4 Flash 0731 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v4-flash-0731)
- [Muse Spark Open vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-muse-spark-open)
- [DeepSeek V4 Flash 0731 vs GPT-6.1 Sol](/compare/deepseek-v4-flash-0731-vs-gpt-6-1-sol)
- [Muse Spark Open vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-muse-spark-open)

## Explore More

- [DeepSeek V4 Flash 0731 profile](/models/deepseek-v4-flash-0731)
- [Muse Spark Open profile](/models/muse-spark-open)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)