# Gemini 3.1 Flash Lite vs MiMo-V2-Omni

> MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 40.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-mimo-v2-omni
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 4 categories and MiMo-V2-Omni in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2-Omni leads 29.7 to 22.9.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| Provider | Google | Xiaomi |
| Noometry Index | 40.8 | 43.6 |
| Rank | 144 | 88 |
| Context | 1.05M | 262K |
| Input $/M | $0.25 | $0.14 |
| Output $/M | $1.50 | $0.28 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.1 Flash Lite: 37.8 (#188)
- MiMo-V2-Omni: 43.3 (#89)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1400 | 1466 |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| WeirdML | 52.2% | — |
| ALE-Bench | 797.73 | — |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 30.2 (#79)
- MiMo-V2-Omni: —

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| DeepResearch Bench | 37.3% | — |

## Reasoning

- Gemini 3.1 Flash Lite: 22.9 (#186)
- MiMo-V2-Omni: 29.7 (#88)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1445 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
| Epoch Capabilities Index | 144.47 | — |
| ForecastBench | 54.4 | — |

## Math

- Gemini 3.1 Flash Lite: 40.7 (#90)
- MiMo-V2-Omni: 39.1 (#115)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 1428 | 1430 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |

## Knowledge

- Gemini 3.1 Flash Lite: 41.9 (#104)
- MiMo-V2-Omni: 40.5 (#118)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | 1398 | 1449 |
| GPQA Diamond | 81.8% | — |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |

## Multimodal

- Gemini 3.1 Flash Lite: 39.4 (#60)
- MiMo-V2-Omni: 38.6 (#63)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | 1240 | 1228 |

## Multilingual

- Gemini 3.1 Flash Lite: 52.3 (#86)
- MiMo-V2-Omni: 51.8 (#102)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1411 | 1404 |
| LMArena Chinese | 1461 | 1465 |
| LMArena French | 1424 | 1447 |
| LMArena German | 1429 | 1399 |
| LMArena Japanese | 1413 | 1317 |
| LMArena Korean | 1392 | 1355 |
| LMArena Russian | 1420 | 1412 |
| LMArena Spanish | 1421 | 1434 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.7 (#131)
- MiMo-V2-Omni: 75.2 (#66)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1377 | 1428 |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#122)
- MiMo-V2-Omni: 44.1 (#76)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1394 | 1442 |

## Writing & Preference

- Gemini 3.1 Flash Lite: 60.9 (#94)
- MiMo-V2-Omni: 61.4 (#87)

| Benchmark | Gemini 3.1 Flash Lite | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1416 | 1423 |
| LMArena Creative Writing | 1401 | 1392 |
| LMArena Multi-Turn | 1417 | 1445 |

## FAQ

### Is Gemini 3.1 Flash Lite better than MiMo-V2-Omni?

MiMo-V2-Omni is the stronger model overall, scoring 43.6 to 40.8 on the Noometry Index.

### Which is cheaper, Gemini 3.1 Flash Lite 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; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

### Is Gemini 3.1 Flash Lite or MiMo-V2-Omni better for coding?

MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 37.8 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 262K.

### How many benchmarks do Gemini 3.1 Flash Lite and MiMo-V2-Omni share?

18 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and MiMo-V2-Omni has 18.