# Claude Opus 4.1 vs MiMo-V2-Flash

> Claude Opus 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.0 vs 41.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-opus-4-1-vs-mimo-v2-flash
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Claude Opus 4.1 scores higher in 7 categories and MiMo-V2-Flash in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2-Flash leads 38.3 to 22.3.
- MiMo-V2-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $15 / $75 for Claude Opus 4.1.
- MiMo-V2-Flash accepts more context: 262K tokens versus 200K.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 41.0 | 41.3 |
| Rank | 142 | 138 |
| Context | 200K | 262K |
| Input $/M | $15 | $0.14 |
| Output $/M | $75 | $0.28 |
| Weights | Proprietary | Open |

## Coding

- Claude Opus 4.1: 44.4 (#73)
- MiMo-V2-Flash: 36.1 (#211)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena WebDev | 1390 | 1330 |
| LMArena Coding | 1479 | 1443 |
| ALE-Bench | 674.77 | 737.95 |
| SWE-bench Verified | 73.3% | — |
| SciCode | — | 25.9% |
| WeirdML | 45.9% | — |
| AlgoTune | 1.34 | — |

## Agentic & Tool Use

- Claude Opus 4.1: 35.0 (#41)
- MiMo-V2-Flash: —

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| Terminal-Bench | 38% | — |
| GDPval | 43.6% | — |
| Cybench | 42% | — |
| DeepResearch Bench | 48.3% | — |
| LMArena Search | 1148 | — |
| METR Time Horizons | 66.8% | — |

## Reasoning

- Claude Opus 4.1: 32.2 (#76)
- MiMo-V2-Flash: 24.9 (#157)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1420 |
| SimpleBench | 60% | — |
| CritPt | — | 0% |
| Chess Puzzles | 7% | — |
| EnigmaEval | 7.2% | — |
| EBR-Bench | 7.9% | — |
| Mystery Game Puzzles | 21% | — |
| DTBench | 80% | — |
| LMCA | 37.1% | — |
| Epoch Capabilities Index | 144.12 | — |
| ForecastBench | 62 | — |

## Math

- Claude Opus 4.1: 22.3 (#277)
- MiMo-V2-Flash: 38.3 (#139)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Math | 1431 | 1396 |
| FrontierMath (Tiers 1-3) | 12.6% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 68.9% | — |
| FrontierMath (Feb 2025 set) | 7.2% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Claude Opus 4.1: 42.0 (#101)
- MiMo-V2-Flash: 39.7 (#131)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Expert | 1439 | 1425 |
| GPQA Diamond | 77.3% | — |
| Humanity's Last Exam | 11.5% | — |
| Confabulations | 17.1% | — |
| Vectara Hallucination Rate | 11.8% | — |

## Multimodal

- Claude Opus 4.1: 26.8 (#119)
- MiMo-V2-Flash: —

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| VPCT | 35% | — |

## Multilingual

- Claude Opus 4.1: 52.0 (#95)
- MiMo-V2-Flash: 51.0 (#113)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Non-English | 1405 | 1392 |
| LMArena Chinese | 1427 | 1462 |
| LMArena French | 1431 | 1429 |
| LMArena German | 1413 | 1395 |
| LMArena Japanese | 1378 | 1325 |
| LMArena Korean | 1380 | 1358 |
| LMArena Russian | 1422 | 1387 |
| LMArena Spanish | 1448 | 1420 |

## Instruction Following

- Claude Opus 4.1: 75.6 (#58)
- MiMo-V2-Flash: 73.5 (#120)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Instruction Following | 1435 | 1392 |

## Long Context

- Claude Opus 4.1: 44.5 (#63)
- MiMo-V2-Flash: 43.0 (#110)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Longer Query | 1455 | 1409 |

## Writing & Preference

- Claude Opus 4.1: 62.4 (#74)
- MiMo-V2-Flash: 59.7 (#106)

| Benchmark | Claude Opus 4.1 | MiMo-V2-Flash |
|---|---|---|
| LMArena Text | 1419 | 1411 |
| LMArena Creative Writing | 1412 | 1375 |
| LMArena Multi-Turn | 1444 | 1404 |
| Short-Story Creative Writing | 84.7% | — |

## FAQ

### Is Claude Opus 4.1 better than MiMo-V2-Flash?

Claude Opus 4.1 and MiMo-V2-Flash score almost the same on the Noometry Index (41.0 vs 41.3), so choose on price, context window or the category you care about most.

### Which is cheaper, Claude Opus 4.1 or MiMo-V2-Flash?

MiMo-V2-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Claude Opus 4.1 lists at $15 and $75.

### Is Claude Opus 4.1 or MiMo-V2-Flash better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.4 versus 36.1 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2-Flash does, with 262K tokens against 200K.

### How many benchmarks do Claude Opus 4.1 and MiMo-V2-Flash share?

19 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and MiMo-V2-Flash has 21.