# DeepSeek V3.1 vs MiMo-V2-Flash

> Side-by-side benchmark comparison for DeepSeek V3.1 and MiMo-V2-Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/deepseek-v3-1-vs-mimo-v2-flash
- Last updated: October 17, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

MiMo-V2-Flash leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- MiMo-V2-Flash has the higher overall point estimate 41 to 40.78. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in knowledge, where the averages are 38.6 for DeepSeek V3.1 and 34.9 for MiMo-V2-Flash.
- The biggest single benchmark swing is AIME 2025 in Mathematics, with scores of 49.8% and 94.1%.
- MiMo-V2-Flash also has the larger context window at 256K.

## Model Snapshot

| Property | DeepSeek V3.1 | MiMo-V2-Flash |
|----------|----------|----------|
| Creator | DeepSeek | Xiaomi |
| Type | Open Weight | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 256K |
| Overall Score | 40.78 | 41 |
| Benchmarks Covered | 6 | 8 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Coding

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: Coming soon
- MiMo-V2-Flash public-lane score: 28.5 (Estimated · #98/150)

| Benchmark | DeepSeek V3.1 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 66% | 73.4% | MiMo-V2-Flash |
| LiveCodeBench | 56.4% | Coming soon | Coming soon |
| LiveCodeBench v6 | Coming soon | 80.6% | Coming soon |
| SWE Multilingual | Coming soon | 71.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: 58.1 (Unranked · 2 rankable rows)
- MiMo-V2-Flash public-lane score: 58.1 (Unranked · 3 rankable rows)

| Benchmark | DeepSeek V3.1 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 60.6% | Coming soon |

### Knowledge

- Winner: DeepSeek V3.1
- DeepSeek V3.1 public-lane score: 38.6 (Supported · #121/184)
- MiMo-V2-Flash public-lane score: 34.9 (Supported · #135/184)

| Benchmark | DeepSeek V3.1 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 74.9% | 83.7% | MiMo-V2-Flash |
| MMLU-Pro | 83.7% | 84.9% | MiMo-V2-Flash |
| GPQA Diamond (Vals) | Coming soon | 59.3% | Coming soon |

### Instruction Following

- Winner: Directional only
- DeepSeek V3.1 public-lane score: 43.5 (#111/148)
- MiMo-V2-Flash public-lane score: 46.3 (#102/148)

### Mathematics

- Winner: Not comparable
- DeepSeek V3.1 public-lane score: Coming soon
- MiMo-V2-Flash public-lane score: Coming soon

| Benchmark | DeepSeek V3.1 | MiMo-V2-Flash | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 66.3% | Coming soon | Coming soon |
| AIME 2025 | 49.8% | 94.1% | MiMo-V2-Flash |

## FAQ

### Which is better overall, DeepSeek V3.1 or MiMo-V2-Flash?

MiMo-V2-Flash has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between DeepSeek V3.1 and MiMo-V2-Flash?

The widest category gap is in knowledge, where the averages are 38.6 for DeepSeek V3.1 and 34.9 for MiMo-V2-Flash.

### How many benchmarks does DeepSeek V3.1 cover on BenchLM?

DeepSeek V3.1 currently has 6 sourced benchmark scores on BenchLM.

### How many benchmarks does MiMo-V2-Flash cover on BenchLM?

MiMo-V2-Flash currently has 8 sourced benchmark scores on BenchLM.

## Related Comparisons

- [DeepSeek V3.1 vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-vs-deepseek-v3-1-reasoning)
- [MiMo-V2-Flash vs DeepSeek V3.1 (Reasoning)](/compare/deepseek-v3-1-reasoning-vs-mimo-v2-flash)
- [DeepSeek V3.1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-deepseek-v3-1)
- [MiMo-V2-Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mimo-v2-flash)

## Explore More

- [DeepSeek V3.1 profile](/models/deepseek-v3-1)
- [MiMo-V2-Flash profile](/models/mimo-v2-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)