Model comparison
Grok 4.1 vs Longcat Flash Chat
Grok 4.1 and Longcat Flash Chat score almost the same on the Noometry Index (40.8 vs 41.5), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Grok 4.1 scores higher in 3 categories and Longcat Flash Chat in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.1 leads 28.3 to 18.3.
- Longcat Flash Chat has downloadable open weights; the other is API-only.
Side by side
| Grok 4.1 | Longcat Flash Chat | |
|---|---|---|
| Provider | xAI | Meituan |
| Noometry Index | 40.8 | 41.5 |
| Released | 2025-11-17 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 19 | 19 |
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Category by category
Coding Longcat Flash Chat leads
Grok 4.1: 33.4 (#246), Longcat Flash Chat: 42.9 (#85)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1445 | 1471 |
| LMArena WebDev | 1214 | — |
Agentic & Tool Use Not comparable
Grok 4.1: 33.8 (#47), Longcat Flash Chat: —
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
Grok 4.1: 28.3 (#91), Longcat Flash Chat: 18.3 (#267)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1436 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
Math Too close to call
Grok 4.1: 36.2 (#124), Longcat Flash Chat: 36.6 (#107)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1422 | 1441 |
Knowledge Longcat Flash Chat leads
Grok 4.1: 38.9 (#129), Longcat Flash Chat: 40.0 (#111)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1417 | 1454 |
Multilingual Grok 4.1 leads
Grok 4.1: 53.6 (#64), Longcat Flash Chat: 52.1 (#95)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1425 | 1404 |
| LMArena Chinese | 1464 | 1465 |
| LMArena French | 1448 | 1457 |
| LMArena German | 1447 | 1409 |
| LMArena Japanese | 1396 | 1373 |
| LMArena Korean | 1407 | 1372 |
| LMArena Russian | 1434 | 1396 |
| LMArena Spanish | 1438 | 1445 |
Instruction Following Too close to call
Grok 4.1: 74.0 (#106), Longcat Flash Chat: 74.6 (#92)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1400 | 1411 |
Long Context Too close to call
Grok 4.1: 43.2 (#96), Longcat Flash Chat: 43.5 (#89)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1416 | 1425 |
Writing & Preference Grok 4.1 leads
Grok 4.1: 62.6 (#71), Longcat Flash Chat: 61.2 (#88)
| Benchmark | Grok 4.1 | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1437 | 1427 |
| LMArena Creative Writing | 1411 | 1388 |
| LMArena Multi-Turn | 1438 | 1418 |
Frequently asked questions
Is Grok 4.1 better than Longcat Flash Chat?
Grok 4.1 and Longcat Flash Chat score almost the same on the Noometry Index (40.8 vs 41.5), so choose on price, context window or the category you care about most.
Is Grok 4.1 or Longcat Flash Chat better for coding?
Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 33.4 in the Noometry coding category.
How many benchmarks do Grok 4.1 and Longcat Flash Chat share?
17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Longcat Flash Chat has 19.