# Inkling-Small vs MiMo-V2.5

> Inkling-Small is the stronger model overall, scoring 46.5 to 43.4 on the Noometry Index. MiMo-V2.5 costs 3.6× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/inkling-small-vs-mimo-v2-5
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Inkling-Small scores higher in 3 categories and MiMo-V2.5 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Inkling-Small leads 38.6 to 28.6.
- The biggest single-benchmark swing is ProofBench: 6% for Inkling-Small and 16% for MiMo-V2.5.
- MiMo-V2.5 is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.45 / $1.20 for Inkling-Small.
- MiMo-V2.5 accepts more context: 1.05M tokens versus 524K.

## Snapshot

| | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| Provider | Thinking Machines Lab | Xiaomi |
| Noometry Index | 46.5 | 43.4 |
| Rank | 63 | 93 |
| Context | 524K | 1.05M |
| Input $/M | $0.45 | $0.14 |
| Output $/M | $1.20 | $0.28 |
| Weights | Open | Open |

## Coding

- Inkling-Small: 43.6 (#85)
- MiMo-V2.5: 43.9 (#81)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena WebDev | 1409 | 1438 |
| SciCode | 48.7% | 43.1% |
| LMArena Coding | 1451 | 1469 |
| ALE-Bench | — | 513.95 |

## Reasoning

- Inkling-Small: 38.6 (#63)
- MiMo-V2.5: 28.6 (#101)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| CritPt | 8.3% | 3.7% |
| LMArena Hard Prompts | 1423 | 1450 |
| ARC-AGI-2 | 40.1% | — |
| ARC-AGI-1 | 84% | — |
| Chess Puzzles | 18% | — |
| Mystery Game Puzzles | 6% | — |
| Epoch Capabilities Index | 150.15 | — |

## Math

- Inkling-Small: 45.1 (#77)
- MiMo-V2.5: 36.8 (#163)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| ProofBench | 6% | 16% |
| LMArena Math | 1459 | 1436 |
| FrontierMath (Tiers 1-3) | 46.3% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 90% | — |

## Knowledge

- Inkling-Small: 48.2 (#77)
- MiMo-V2.5: 40.8 (#115)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Expert | 1442 | 1460 |
| GPQA Diamond | 88.5% | — |
| SimpleQA Verified | 19.1% | — |

## Multimodal

- Inkling-Small: 39.1 (#62)
- MiMo-V2.5: 39.8 (#54)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Vision | 1235 | 1247 |

## Multilingual

- Inkling-Small: 51.7 (#104)
- MiMo-V2.5: 51.9 (#99)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Non-English | 1402 | 1404 |
| LMArena Chinese | 1465 | 1468 |
| LMArena French | 1436 | 1447 |
| LMArena German | 1405 | 1421 |
| LMArena Japanese | 1405 | 1306 |
| LMArena Korean | 1363 | 1363 |
| LMArena Russian | 1391 | 1395 |
| LMArena Spanish | 1428 | 1416 |

## Instruction Following

- Inkling-Small: 73.8 (#114)
- MiMo-V2.5: 75.5 (#60)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Instruction Following | 1399 | 1434 |

## Long Context

- Inkling-Small: 42.7 (#118)
- MiMo-V2.5: 44.2 (#73)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Longer Query | 1401 | 1445 |

## Writing & Preference

- Inkling-Small: 59.6 (#107)
- MiMo-V2.5: 61.6 (#86)

| Benchmark | Inkling-Small | MiMo-V2.5 |
|---|---|---|
| LMArena Text | 1414 | 1428 |
| LMArena Creative Writing | 1331 | 1393 |
| LMArena Multi-Turn | 1418 | 1445 |
| EQ-Bench Creative Writing | 1491 | — |

## FAQ

### Is Inkling-Small better than MiMo-V2.5?

Inkling-Small is the stronger model overall, scoring 46.5 to 43.4 on the Noometry Index. MiMo-V2.5 costs 3.6× less per token, which makes it the better buy when Inkling-Small's lead doesn't matter for your workload.

### Which is cheaper, Inkling-Small or MiMo-V2.5?

MiMo-V2.5 is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Inkling-Small lists at $0.45 and $1.20.

### Is Inkling-Small or MiMo-V2.5 better for coding?

They score almost the same on coding (43.6 vs 43.9); test both on your own repository before choosing.

### Which has the bigger context window?

MiMo-V2.5 does, with 1.05M tokens against 524K.

### How many benchmarks do Inkling-Small and MiMo-V2.5 share?

22 benchmarks have published results for both models. Inkling-Small has 33 scored results on Noometry and MiMo-V2.5 has 23.