# Gemma 3 12B vs Kimi K2.5 Instant

> Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 32.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3-12b-vs-kimi-k2-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Gemma 3 12B scores higher in 0 categories and Kimi K2.5 Instant in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.5 Instant leads 39.4 to 22.3.

## Snapshot

| | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| Provider | Google | Moonshot AI |
| Noometry Index | 32.1 | 43.6 |
| Rank | 262 | 89 |
| Context | 131K | — |
| Input $/M | $0.05 | — |
| Output $/M | $0.15 | — |
| Weights | Open | Open |

## Coding

- Gemma 3 12B: 31.7 (#280)
- Kimi K2.5 Instant: 42.6 (#97)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1281 | 1484 |
| LMArena WebDev | — | 1404 |
| SciCode | 17.4% | — |

## Agentic & Tool Use

- Gemma 3 12B: 25.5 (#108)
- Kimi K2.5 Instant: —

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 30.4% | — |

## Reasoning

- Gemma 3 12B: 15.7 (#313)
- Kimi K2.5 Instant: 29.7 (#90)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1309 | 1443 |
| CritPt | 0% | — |
| Chess Puzzles | 0% | — |
| DTBench | 48.8% | — |
| LMCA | 4.5% | — |
| Epoch Capabilities Index | 123.5 | — |

## Math

- Gemma 3 12B: 22.3 (#279)
- Kimi K2.5 Instant: 39.4 (#105)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1307 | 1442 |
| OTIS Mock AIME 2024-2025 | 16.7% | — |

## Knowledge

- Gemma 3 12B: 26.5 (#257)
- Kimi K2.5 Instant: 40.2 (#123)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1248 | 1440 |
| GPQA Diamond | 39.5% | — |
| Vectara Hallucination Rate | 4.4% | — |

## Multimodal

- Gemma 3 12B: —
- Kimi K2.5 Instant: 40.2 (#50)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
| MindCube | 46.7% | — |

## Multilingual

- Gemma 3 12B: 45.7 (#165)
- Kimi K2.5 Instant: 52.0 (#94)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1318 | 1406 |
| LMArena German | 1370 | 1413 |
| LMArena Russian | 1335 | 1404 |
| LMArena Chinese | — | 1449 |
| LMArena French | — | 1403 |
| LMArena Korean | — | 1378 |
| LMArena Spanish | — | 1447 |

## Instruction Following

- Gemma 3 12B: 68.6 (#186)
- Kimi K2.5 Instant: 75.3 (#65)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1299 | 1430 |

## Long Context

- Gemma 3 12B: 40.0 (#162)
- Kimi K2.5 Instant: 43.9 (#83)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1317 | 1435 |

## Writing & Preference

- Gemma 3 12B: 47.5 (#209)
- Kimi K2.5 Instant: 60.6 (#95)

| Benchmark | Gemma 3 12B | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1334 | 1420 |
| LMArena Creative Writing | 1331 | 1381 |
| LMArena Multi-Turn | 1334 | 1427 |
| EQ-Bench Creative Writing | 1126 | — |

## FAQ

### Is Gemma 3 12B better than Kimi K2.5 Instant?

Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 32.1 on the Noometry Index.

### Is Gemma 3 12B or Kimi K2.5 Instant better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 31.7 in the Noometry coding category.

### How many benchmarks do Gemma 3 12B and Kimi K2.5 Instant share?

12 benchmarks have published results for both models. Gemma 3 12B has 24 scored results on Noometry and Kimi K2.5 Instant has 18.