Model comparison
Grok-2 (Dec 2024) vs Longcat Flash Chat
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 33.7 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 0 categories and Longcat Flash Chat in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Longcat Flash Chat leads 39.4 to 20.8.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Grok-2 (Dec 2024) | Longcat Flash Chat | |
|---|---|---|
| Provider | xAI | Meituan |
| Noometry Index | 33.7 | 42.1 |
| Released | 2024-08-13 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 34 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Grok-2 (Dec 2024): 33.3 (#258), Longcat Flash Chat: 43.5 (#87)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1287 | 1471 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |
Reasoning Longcat Flash Chat leads
Grok-2 (Dec 2024): 16.9 (#299), Longcat Flash Chat: 19.0 (#272)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1440 |
| SimpleBench | 22.7% | — |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
| LiveBench Reasoning | 54.8% | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| Epoch Capabilities Index | 130.48 | — |
| LiveBench | 54.3% | — |
Math Longcat Flash Chat leads
Grok-2 (Dec 2024): 20.8 (#284), Longcat Flash Chat: 39.4 (#107)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1283 | 1442 |
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |
Knowledge Longcat Flash Chat leads
Grok-2 (Dec 2024): 29.8 (#233), Longcat Flash Chat: 40.6 (#116)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1254 | 1454 |
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |
Multilingual Longcat Flash Chat leads
Grok-2 (Dec 2024): 43.1 (#188), Longcat Flash Chat: 51.9 (#101)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1282 | 1404 |
| LMArena Chinese | 1289 | 1465 |
| LMArena French | 1318 | 1456 |
| LMArena German | 1287 | 1408 |
| LMArena Japanese | 1244 | 1373 |
| LMArena Korean | 1237 | 1371 |
| LMArena Russian | 1286 | 1395 |
| LMArena Spanish | 1281 | 1445 |
Instruction Following Longcat Flash Chat leads
Grok-2 (Dec 2024): 66.9 (#202), Longcat Flash Chat: 74.4 (#96)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1270 | 1411 |
| LiveBench Instruction Following | 69.6% | — |
Long Context Longcat Flash Chat leads
Grok-2 (Dec 2024): 38.8 (#190), Longcat Flash Chat: 43.5 (#93)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1276 | 1425 |
Writing & Preference Longcat Flash Chat leads
Grok-2 (Dec 2024): 48.6 (#198), Longcat Flash Chat: 61.0 (#91)
| Benchmark | Grok-2 (Dec 2024) | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1305 | 1427 |
| LMArena Creative Writing | 1284 | 1388 |
| LMArena Multi-Turn | 1290 | 1418 |
| Short-Story Creative Writing | 63.6% | — |
| LiveBench Language | 45.6% | — |
Frequently asked questions
Is Grok-2 (Dec 2024) better than Longcat Flash Chat?
Longcat Flash Chat is the stronger model overall, scoring 42.1 to 33.7 on the Noometry Index.
Is Grok-2 (Dec 2024) or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 33.3 in the Noometry coding category.
How many benchmarks do Grok-2 (Dec 2024) and Longcat Flash Chat share?
17 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Longcat Flash Chat has 19.