Model comparison
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.
Last verified . 18 shared benchmarks.
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.
Side by side
| Grok-3 mini | Longcat Flash Chat | |
|---|---|---|
| Provider | xAI | Meituan |
| Noometry Index | 41.2 | 42.1 |
| Released | 2025-04-09 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 35 | 19 |
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Category by category
Coding Longcat Flash Chat leads
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 Longcat Flash Chat leads
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 leads
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 leads
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 Longcat Flash Chat leads
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 leads
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 Longcat Flash Chat leads
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 Longcat Flash Chat leads
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% | — |
Frequently asked questions
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.