# Grok 2 Mini 2024 08 13 vs Kimi K2.5 Instant

> Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 37.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-2-mini-vs-kimi-k2-5-instant
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Grok 2 Mini 2024 08 13 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 writing & preference, where Kimi K2.5 Instant leads 60.8 to 47.5.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| Provider | xAI | Moonshot AI |
| Noometry Index | 37.0 | 42.9 |
| Rank | 196 | 92 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok 2 Mini 2024 08 13: 36.4 (#194)
- Kimi K2.5 Instant: 42.3 (#95)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1269 | 1483 |
| LMArena WebDev | — | 1404 |

## Reasoning

- Grok 2 Mini 2024 08 13: 23.7 (#162)
- Kimi K2.5 Instant: 28.5 (#88)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1255 | 1443 |

## Math

- Grok 2 Mini 2024 08 13: 32.8 (#185)
- Kimi K2.5 Instant: 36.6 (#105)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1265 | 1443 |

## Knowledge

- Grok 2 Mini 2024 08 13: 33.4 (#195)
- Kimi K2.5 Instant: 39.5 (#121)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1238 | 1438 |

## Multimodal

- Grok 2 Mini 2024 08 13: —
- Kimi K2.5 Instant: 39.5 (#47)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |

## Multilingual

- Grok 2 Mini 2024 08 13: 41.6 (#203)
- Kimi K2.5 Instant: 52.2 (#89)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1257 | 1406 |
| LMArena Chinese | 1262 | 1450 |
| LMArena French | 1285 | 1403 |
| LMArena German | 1273 | 1413 |
| LMArena Korean | 1195 | 1378 |
| LMArena Russian | 1261 | 1404 |
| LMArena Spanish | 1278 | 1448 |
| LMArena Japanese | 1213 | — |

## Instruction Following

- Grok 2 Mini 2024 08 13: 65.7 (#215)
- Kimi K2.5 Instant: 75.5 (#61)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1245 | 1430 |

## Long Context

- Grok 2 Mini 2024 08 13: 38.4 (#191)
- Kimi K2.5 Instant: 43.8 (#82)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1267 | 1435 |

## Writing & Preference

- Grok 2 Mini 2024 08 13: 47.5 (#207)
- Kimi K2.5 Instant: 60.8 (#91)

| Benchmark | Grok 2 Mini 2024 08 13 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1281 | 1420 |
| LMArena Creative Writing | 1242 | 1379 |
| LMArena Multi-Turn | 1265 | 1427 |

## FAQ

### Is Grok 2 Mini 2024 08 13 better than Kimi K2.5 Instant?

Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 37.0 on the Noometry Index.

### Is Grok 2 Mini 2024 08 13 or Kimi K2.5 Instant better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.3 versus 36.4 in the Noometry coding category.

### How many benchmarks do Grok 2 Mini 2024 08 13 and Kimi K2.5 Instant share?

16 benchmarks have published results for both models. Grok 2 Mini 2024 08 13 has 17 scored results on Noometry and Kimi K2.5 Instant has 18.