# Gemma 4 31B IT vs Kimi K2.5 Instant

> Gemma 4 31B IT and Kimi K2.5 Instant score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-kimi-k2-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Gemma 4 31B IT scores higher in 5 categories and Kimi K2.5 Instant in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemma 4 31B IT leads 43.2 to 39.4.

## Snapshot

| | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| Provider | Google | Moonshot AI |
| Noometry Index | 43.5 | 43.6 |
| Rank | 90 | 89 |
| Context | 262K | — |
| Input $/M | $0.09 | — |
| Output $/M | $0.34 | — |
| Weights | Open | Open |

## Coding

- Gemma 4 31B IT: 42.3 (#108)
- Kimi K2.5 Instant: 42.6 (#97)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena WebDev | 1366 | 1404 |
| LMArena Coding | 1459 | 1484 |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| ALE-Bench | 925.5 | — |

## Reasoning

- Gemma 4 31B IT: 27.2 (#122)
- Kimi K2.5 Instant: 29.7 (#90)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1443 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Chess Puzzles | 5% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
| Epoch Capabilities Index | 142.74 | — |

## Math

- Gemma 4 31B IT: 43.2 (#81)
- Kimi K2.5 Instant: 39.4 (#105)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1465 | 1442 |
| OTIS Mock AIME 2024-2025 | 73.3% | — |

## Knowledge

- Gemma 4 31B IT: 37.9 (#151)
- Kimi K2.5 Instant: 40.2 (#123)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1465 | 1440 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | 10.4% | — |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 4 31B IT: 41.6 (#34)
- Kimi K2.5 Instant: 40.2 (#50)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | 1277 | 1254 |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 53.8 (#57)
- Kimi K2.5 Instant: 52.0 (#94)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1431 | 1406 |
| LMArena Chinese | 1476 | 1449 |
| LMArena French | 1435 | 1403 |
| LMArena Russian | 1460 | 1404 |
| LMArena Spanish | 1444 | 1447 |
| LMArena German | — | 1413 |
| LMArena Korean | — | 1378 |

## Instruction Following

- Gemma 4 31B IT: 75.5 (#61)
- Kimi K2.5 Instant: 75.3 (#65)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1433 | 1430 |

## Long Context

- Gemma 4 31B IT: 44.2 (#71)
- Kimi K2.5 Instant: 43.9 (#83)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1446 | 1435 |

## Writing & Preference

- Gemma 4 31B IT: 60.5 (#96)
- Kimi K2.5 Instant: 60.6 (#95)

| Benchmark | Gemma 4 31B IT | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1443 | 1420 |
| LMArena Creative Writing | 1415 | 1381 |
| LMArena Multi-Turn | 1452 | 1427 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |

## FAQ

### Is Gemma 4 31B IT better than Kimi K2.5 Instant?

Gemma 4 31B IT and Kimi K2.5 Instant score almost the same on the Noometry Index (43.5 vs 43.6), so choose on price, context window or the category you care about most.

### Is Gemma 4 31B IT or Kimi K2.5 Instant better for coding?

They score almost the same on coding (42.3 vs 42.6); test both on your own repository before choosing.

### How many benchmarks do Gemma 4 31B IT and Kimi K2.5 Instant share?

16 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Kimi K2.5 Instant has 18.