# MiMo-V2.5-Pro vs Nemotron 3 Ultra

> MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 42.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-5-pro-vs-nemotron-3-ultra
- Last updated: 2026-10-12
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 5 categories and Nemotron 3 Ultra in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 42.2.
- The biggest single-benchmark swing is ProofBench: 22% for MiMo-V2.5-Pro and 2% for Nemotron 3 Ultra.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $0.60 / $2.40 for Nemotron 3 Ultra.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| Provider | Xiaomi | NVIDIA |
| Noometry Index | 45.2 | 42.5 |
| Rank | 74 | 113 |
| Context | 1.05M | 262K |
| Input $/M | $0.43 | $0.60 |
| Output $/M | $0.87 | $2.40 |
| Weights | Open | Open |

## Coding

- MiMo-V2.5-Pro: 47.4 (#60)
- Nemotron 3 Ultra: 38.1 (#182)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| SciCode | 50.2% | 40.3% |
| LMArena Coding | 1503 | 1468 |
| FrontierCode | — | 13.6% |
| LMArena WebDev | 1479 | — |
| WeirdML | — | 43.5% |
| ALE-Bench | 899.8 | — |

## Agentic & Tool Use

- MiMo-V2.5-Pro: —
- Nemotron 3 Ultra: 23.4 (#126)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | — | 22.7% |

## Reasoning

- MiMo-V2.5-Pro: 26.8 (#130)
- Nemotron 3 Ultra: 31.0 (#82)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| CritPt | 4% | 3.1% |
| LMArena Hard Prompts | 1488 | 1452 |
| DTBench | 84.5% | 90.1% |
| LMCA | 29.5% | 36.9% |
| NYT Connections (extended) | 34.4% | — |
| Chess Puzzles | — | 12% |
| Mystery Game Puzzles | — | 20% |
| Epoch Capabilities Index | — | 146.17 |

## Math

- MiMo-V2.5-Pro: 40.0 (#96)
- Nemotron 3 Ultra: 35.3 (#187)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| ProofBench | 22% | 2% |
| LMArena Math | 1481 | 1457 |
| OTIS Mock AIME 2024-2025 | — | 86.7% |

## Knowledge

- MiMo-V2.5-Pro: 42.2 (#98)
- Nemotron 3 Ultra: 52.5 (#61)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Expert | 1503 | 1472 |
| GPQA Diamond | — | 85.4% |

## Multilingual

- MiMo-V2.5-Pro: 55.1 (#34)
- Nemotron 3 Ultra: 53.5 (#64)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1449 | 1427 |
| LMArena Chinese | 1507 | 1497 |
| LMArena French | 1488 | 1472 |
| LMArena German | 1458 | 1471 |
| LMArena Korean | 1437 | 1386 |
| LMArena Russian | 1450 | 1417 |
| LMArena Spanish | 1471 | 1454 |
| LMArena Japanese | 1412 | — |

## Instruction Following

- MiMo-V2.5-Pro: 77.5 (#21)
- Nemotron 3 Ultra: 74.7 (#88)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1477 | 1418 |

## Long Context

- MiMo-V2.5-Pro: 45.4 (#37)
- Nemotron 3 Ultra: 43.9 (#81)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1483 | 1437 |

## Writing & Preference

- MiMo-V2.5-Pro: 65.3 (#49)
- Nemotron 3 Ultra: 66.3 (#36)

| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1465 | 1445 |
| LMArena Creative Writing | 1440 | 1398 |
| EQ-Bench Creative Writing | 1493 | 1692 |
| LMArena Multi-Turn | 1477 | 1411 |
| EQ-Bench 4 | 1208 | — |

## FAQ

### Is MiMo-V2.5-Pro better than Nemotron 3 Ultra?

MiMo-V2.5-Pro is the stronger model overall, scoring 45.2 to 42.5 on the Noometry Index.

### Which is cheaper, MiMo-V2.5-Pro or Nemotron 3 Ultra?

MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Nemotron 3 Ultra lists at $0.60 and $2.40.

### Is MiMo-V2.5-Pro or Nemotron 3 Ultra better for coding?

MiMo-V2.5-Pro scores higher on coding benchmarks: 47.4 versus 38.1 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.5-Pro does, with 1.05M tokens against 262K.

### How many benchmarks do MiMo-V2.5-Pro and Nemotron 3 Ultra share?

22 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Nemotron 3 Ultra has 30.