# Claude 3 Opus vs MiMo-V2.6-Flash

> MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 29.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-mimo-v2-6-flash
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and MiMo-V2.6-Flash in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where MiMo-V2.6-Flash leads 51.9 to 14.8.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 29.5 | 48.5 |
| Rank | 310 | 55 |
| Context | — | 1.05M |
| Input $/M | — | $0.14 |
| Output $/M | — | $0.28 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Opus: 32.9 (#267)
- MiMo-V2.6-Flash: 53.4 (#30)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1264 | 1504 |
| LMArena WebDev | — | 1637 |
| SciCode | — | 51.3% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.6 (#116)
- MiMo-V2.6-Flash: —

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.6 (#324)
- MiMo-V2.6-Flash: 36.5 (#66)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1245 | 1482 |
| SimpleBench | 23.5% | — |
| CritPt | — | 12% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| DTBench | 61.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| Epoch Capabilities Index | 126.91 | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 14.8 (#299)
- MiMo-V2.6-Flash: 51.9 (#52)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1273 | 1468 |
| OTIS Mock AIME 2024-2025 | 4.7% | — |
| ProofBench | — | 63% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#267)
- MiMo-V2.6-Flash: 42.2 (#99)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1223 | 1501 |
| GPQA Diamond | 47.2% | — |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 27.1 (#116)
- MiMo-V2.6-Flash: 40.5 (#47)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | 1023 | 1259 |

## Multilingual

- Claude 3 Opus: 41.4 (#207)
- MiMo-V2.6-Flash: 54.0 (#51)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1258 | 1434 |
| LMArena Chinese | 1248 | 1511 |
| LMArena French | 1275 | 1475 |
| LMArena Russian | 1280 | 1409 |
| LMArena Spanish | 1246 | 1456 |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |

## Instruction Following

- Claude 3 Opus: 64.1 (#228)
- MiMo-V2.6-Flash: 76.8 (#35)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1248 | 1463 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#202)
- MiMo-V2.6-Flash: 44.8 (#57)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1259 | 1463 |

## Writing & Preference

- Claude 3 Opus: 47.2 (#213)
- MiMo-V2.6-Flash: 63.1 (#67)

| Benchmark | Claude 3 Opus | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1262 | 1455 |
| LMArena Creative Writing | 1235 | 1400 |
| LMArena Multi-Turn | 1275 | 1451 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 29.5 on the Noometry Index.

### Is Claude 3 Opus or MiMo-V2.6-Flash better for coding?

MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 32.9 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and MiMo-V2.6-Flash share?

15 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and MiMo-V2.6-Flash has 19.