# Grok-3 mini vs Longcat Flash Chat

> Grok-3 mini and Longcat Flash Chat score almost the same on the Noometry Index (41.2 vs 42.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-3-mini-vs-longcat-flash-chat
- Last updated: 2026-10-11
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Grok-3 mini scores higher in 3 categories and Longcat Flash Chat in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.0 to 52.5.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 61.3% for Grok-3 mini and 43.9% for Longcat Flash Chat.
- Longcat Flash Chat has downloadable open weights; the other is API-only.

## Snapshot

| | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| Provider | xAI | Meituan |
| Noometry Index | 41.2 | 42.1 |
| Rank | 141 | 120 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok-3 mini: 40.8 (#131)
- Longcat Flash Chat: 43.5 (#87)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1379 | 1471 |
| Aider Polyglot | 49.3% | — |
| WeirdML | 42.6% | — |

## Reasoning

- Grok-3 mini: 13.6 (#334)
- Longcat Flash Chat: 19.0 (#272)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| Kagi LLM Benchmark | 61.3% | 43.9% |
| LMArena Hard Prompts | 1375 | 1440 |
| ARC-AGI-2 | 0.4% | — |
| NYT Connections (extended) | — | 17.7% |
| ARC-AGI-1 | 16.5% | — |
| Epoch Capabilities Index | 140.35 | — |

## Math

- Grok-3 mini: 42.1 (#85)
- Longcat Flash Chat: 39.4 (#107)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1386 | 1442 |
| OTIS Mock AIME 2024-2025 | 77.8% | — |
| Omni-MATH | 31.8% | — |
| MATH Level 5 | 90.9% | — |
| FrontierMath (Feb 2025 set) | 5.9% | — |

## Knowledge

- Grok-3 mini: 46.4 (#81)
- Longcat Flash Chat: 40.6 (#116)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1395 | 1454 |
| GPQA Diamond | 76.3% | — |
| MMLU-Pro | 79.9% | — |
| Confabulations | 10.8% | — |
| GPQA (HELM) | 67.5% | — |

## Multilingual

- Grok-3 mini: 48.1 (#145)
- Longcat Flash Chat: 51.9 (#101)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1352 | 1404 |
| LMArena Chinese | 1387 | 1465 |
| LMArena French | 1357 | 1456 |
| LMArena German | 1349 | 1408 |
| LMArena Japanese | 1342 | 1373 |
| LMArena Korean | 1335 | 1371 |
| LMArena Russian | 1353 | 1395 |
| LMArena Spanish | 1381 | 1445 |

## Instruction Following

- Grok-3 mini: 78.5 (#9)
- Longcat Flash Chat: 74.4 (#96)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1357 | 1411 |
| IFEval | 95.1% | — |

## Long Context

- Grok-3 mini: 41.0 (#147)
- Longcat Flash Chat: 43.5 (#93)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1372 | 1425 |
| Fiction.LiveBench | 66.7% | — |

## Writing & Preference

- Grok-3 mini: 52.5 (#169)
- Longcat Flash Chat: 61.0 (#91)

| Benchmark | Grok-3 mini | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1370 | 1427 |
| LMArena Creative Writing | 1342 | 1388 |
| LMArena Multi-Turn | 1355 | 1418 |
| Short-Story Creative Writing | 73.5% | — |
| WildBench | 65.1% | — |

## FAQ

### Is Grok-3 mini better than Longcat Flash Chat?

Grok-3 mini and Longcat Flash Chat score almost the same on the Noometry Index (41.2 vs 42.1), so choose on price, context window or the category you care about most.

### Is Grok-3 mini or Longcat Flash Chat better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 40.8 in the Noometry coding category.

### How many benchmarks do Grok-3 mini and Longcat Flash Chat share?

18 benchmarks have published results for both models. Grok-3 mini has 35 scored results on Noometry and Longcat Flash Chat has 19.