# Claude Opus 4 vs MiMo-V2-Omni

> Claude Opus 4 and MiMo-V2-Omni score almost the same on the Noometry Index (42.9 vs 42.9), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-opus-4-vs-mimo-v2-omni
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Claude Opus 4 scores higher in 4 categories and MiMo-V2-Omni in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in multimodal, where MiMo-V2-Omni leads 37.9 to 30.9.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $15 / $75 for Claude Opus 4.
- MiMo-V2-Omni accepts more context: 262K tokens versus 200K.

## Snapshot

| | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 42.9 | 42.9 |
| Rank | 93 | 91 |
| Context | 200K | 262K |
| Input $/M | $15 | $0.14 |
| Output $/M | $75 | $0.28 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Opus 4: 47.8 (#55)
- MiMo-V2-Omni: 42.7 (#87)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1442 | 1467 |
| SWE-bench Verified | 70.7% | — |
| SWE-bench Verified (bash only) | 67.6% | — |
| Aider Polyglot | 72% | — |
| GSO | 6.9% | — |
| WeirdML | 43.7% | — |
| AlgoTune | 1.33 | — |

## Agentic & Tool Use

- Claude Opus 4: 34.5 (#39)
- MiMo-V2-Omni: —

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| Cybench | 38% | — |
| DeepResearch Bench | 46.8% | — |
| LMArena Search | 1127 | — |
| METR Time Horizons | 63.9% | — |

## Reasoning

- Claude Opus 4: 27.4 (#104)
- MiMo-V2-Omni: 28.6 (#86)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1399 | 1445 |
| ARC-AGI-2 | 8.6% | — |
| SimpleBench | 58.8% | — |
| Kagi LLM Benchmark | 74.3% | — |
| ARC-AGI-1 | 35.7% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 5.6% | — |
| DTBench | 81.6% | — |
| LMCA | 37.4% | — |
| Epoch Capabilities Index | 142.67 | — |
| ForecastBench | 61.1 | — |

## Math

- Claude Opus 4: 40.2 (#80)
- MiMo-V2-Omni: 36.4 (#112)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 1391 | 1432 |
| OTIS Mock AIME 2024-2025 | 64.4% | — |
| Omni-MATH | 61.6% | — |
| MATH Level 5 | 85% | — |
| FrontierMath (Feb 2025 set) | 4.5% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Claude Opus 4: 43.9 (#82)
- MiMo-V2-Omni: 39.9 (#114)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | 1384 | 1449 |
| GPQA Diamond | 76.3% | — |
| Humanity's Last Exam | 10.7% | — |
| MMLU-Pro | 87.5% | — |
| Confabulations | 15.9% | — |
| Vectara Hallucination Rate | 12% | — |
| GPQA (HELM) | 70.8% | — |

## Multimodal

- Claude Opus 4: 30.9 (#101)
- MiMo-V2-Omni: 37.9 (#62)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | 1192 | 1228 |
| GeoBench | 49% | — |
| VPCT | 38% | — |

## Multilingual

- Claude Opus 4: 49.0 (#133)
- MiMo-V2-Omni: 52.0 (#97)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1362 | 1404 |
| LMArena Chinese | 1386 | 1469 |
| LMArena French | 1370 | 1448 |
| LMArena German | 1391 | 1398 |
| LMArena Japanese | 1332 | 1318 |
| LMArena Korean | 1318 | 1355 |
| LMArena Russian | 1392 | 1412 |
| LMArena Spanish | 1388 | 1432 |

## Instruction Following

- Claude Opus 4: 77.3 (#26)
- MiMo-V2-Omni: 75.4 (#62)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1406 | 1428 |
| IFEval | 91.8% | — |

## Long Context

- Claude Opus 4: 39.5 (#167)
- MiMo-V2-Omni: 44.1 (#72)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1422 | 1442 |
| Fiction.LiveBench | 61.1% | — |

## Writing & Preference

- Claude Opus 4: 61.4 (#85)
- MiMo-V2-Omni: 61.6 (#83)

| Benchmark | Claude Opus 4 | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1377 | 1424 |
| LMArena Creative Writing | 1386 | 1393 |
| LMArena Multi-Turn | 1396 | 1446 |
| Short-Story Creative Writing | 83.6% | — |
| EQ-Bench Creative Writing | 1580 | — |
| WildBench | 85.2% | — |

## FAQ

### Is Claude Opus 4 better than MiMo-V2-Omni?

Claude Opus 4 and MiMo-V2-Omni score almost the same on the Noometry Index (42.9 vs 42.9), so choose on price, context window or the category you care about most.

### Which is cheaper, Claude Opus 4 or MiMo-V2-Omni?

MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Claude Opus 4 lists at $15 and $75.

### Is Claude Opus 4 or MiMo-V2-Omni better for coding?

Claude Opus 4 scores higher on coding benchmarks: 47.8 versus 42.7 in the Noometry coding category.

### Which has the bigger context window?

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

### How many benchmarks do Claude Opus 4 and MiMo-V2-Omni share?

18 benchmarks have published results for both models. Claude Opus 4 has 56 scored results on Noometry and MiMo-V2-Omni has 18.
