# Llama 3.1-70B vs Longcat Flash Chat

> Longcat Flash Chat is the stronger model overall, scoring 41.5 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-3-1-70b-vs-longcat-flash-chat
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Llama 3.1-70B scores higher in 1 category and Longcat Flash Chat in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Longcat Flash Chat leads 61.2 to 35.6.

## Snapshot

| | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| Provider | Meta | Meituan |
| Noometry Index | 29.4 | 41.5 |
| Rank | 299 | 121 |
| Context | 128K | — |
| Input $/M | $0.40 | — |
| Output $/M | $0.40 | — |
| Weights | Open | Open |

## Coding

- Llama 3.1-70B: 29.8 (#292)
- Longcat Flash Chat: 42.9 (#85)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1260 | 1471 |
| WeirdML | 9% | — |
| BigCodeBench Instruct | 46.1% | — |
| BigCodeBench Complete | 54.8% | — |

## Agentic & Tool Use

- Llama 3.1-70B: 24.9 (#104)
- Longcat Flash Chat: —

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| TheAgentCompany | 6.9% | — |
| BALROG | 27.9% | — |

## Reasoning

- Llama 3.1-70B: 20.8 (#215)
- Longcat Flash Chat: 18.3 (#267)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Hard Prompts | 1241 | 1440 |
| Kagi LLM Benchmark | — | 43.9% |
| NYT Connections (extended) | — | 17.7% |
| DTBench | 60% | — |
| LMCA | 14.8% | — |
| Epoch Capabilities Index | 125.91 | — |

## Math

- Llama 3.1-70B: 12.7 (#298)
- Longcat Flash Chat: 36.6 (#107)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1252 | 1441 |
| OTIS Mock AIME 2024-2025 | 3.6% | — |
| Omni-MATH | 21% | — |
| MATH Level 5 | 36.7% | — |

## Knowledge

- Llama 3.1-70B: 24.1 (#264)
- Longcat Flash Chat: 40.0 (#111)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1209 | 1454 |
| GPQA Diamond | 44.2% | — |
| MMLU-Pro | 65.3% | — |
| GPQA (HELM) | 42.6% | — |
| MMLU | 80.1% | — |

## Multilingual

- Llama 3.1-70B: 38.9 (#220)
- Longcat Flash Chat: 52.1 (#95)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1219 | 1404 |
| LMArena Chinese | 1215 | 1465 |
| LMArena French | 1260 | 1457 |
| LMArena German | 1222 | 1409 |
| LMArena Japanese | 1132 | 1373 |
| LMArena Korean | 1140 | 1372 |
| LMArena Russian | 1234 | 1396 |
| LMArena Spanish | 1253 | 1445 |

## Instruction Following

- Llama 3.1-70B: 65.5 (#218)
- Longcat Flash Chat: 74.6 (#92)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1231 | 1411 |
| IFEval | 82.1% | — |

## Long Context

- Llama 3.1-70B: 37.6 (#208)
- Longcat Flash Chat: 43.5 (#89)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1241 | 1425 |

## Writing & Preference

- Llama 3.1-70B: 35.6 (#262)
- Longcat Flash Chat: 61.2 (#88)

| Benchmark | Llama 3.1-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1261 | 1427 |
| LMArena Creative Writing | 1232 | 1388 |
| LMArena Multi-Turn | 1256 | 1418 |
| EQ-Bench Creative Writing | 784 | — |
| WildBench | 75.8% | — |

## FAQ

### Is Llama 3.1-70B better than Longcat Flash Chat?

Longcat Flash Chat is the stronger model overall, scoring 41.5 to 29.4 on the Noometry Index.

### Is Llama 3.1-70B or Longcat Flash Chat better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 42.9 versus 29.8 in the Noometry coding category.

### How many benchmarks do Llama 3.1-70B and Longcat Flash Chat share?

17 benchmarks have published results for both models. Llama 3.1-70B has 35 scored results on Noometry and Longcat Flash Chat has 19.