# Llama 3-70B vs Longcat Flash Chat

> Longcat Flash Chat is the stronger model overall, scoring 42.1 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-3-70b-vs-longcat-flash-chat
- Last updated: 2026-10-11
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Llama 3-70B scores higher in 0 categories and Longcat Flash Chat in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Longcat Flash Chat leads 39.4 to 12.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 35.1% for Llama 3-70B and 43.9% for Longcat Flash Chat.

## Snapshot

| | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| Provider | Meta | Meituan |
| Noometry Index | 28.8 | 42.1 |
| Rank | 323 | 120 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Llama 3-70B: 35.8 (#218)
- Longcat Flash Chat: 43.5 (#87)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Coding | 1206 | 1471 |
| BigCodeBench Instruct | 43.6% | — |
| BigCodeBench Complete | 54.5% | — |
| HumanEval+ | 72% | — |
| MBPP+ | 69% | — |

## Agentic & Tool Use

- Llama 3-70B: 21.1 (#139)
- Longcat Flash Chat: —

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| Cybench | 5% | — |

## Reasoning

- Llama 3-70B: 18.0 (#288)
- Longcat Flash Chat: 19.0 (#272)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| Kagi LLM Benchmark | 35.1% | 43.9% |
| LMArena Hard Prompts | 1195 | 1440 |
| NYT Connections (extended) | — | 17.7% |
| DTBench | 54.2% | — |
| Epoch Capabilities Index | 122.93 | — |
| ForecastBench | 57.1 | — |
| WinoGrande | 83.5% | — |

## Math

- Llama 3-70B: 12.8 (#305)
- Longcat Flash Chat: 39.4 (#107)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Math | 1218 | 1442 |
| OTIS Mock AIME 2024-2025 | 4.3% | — |
| MATH Level 5 | 22.6% | — |

## Knowledge

- Llama 3-70B: 20.8 (#277)
- Longcat Flash Chat: 40.6 (#116)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Expert | 1149 | 1454 |
| GPQA Diamond | 40.6% | — |
| MMLU | 79.3% | — |

## Multilingual

- Llama 3-70B: 33.6 (#251)
- Longcat Flash Chat: 51.9 (#101)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Non-English | 1142 | 1404 |
| LMArena Chinese | 1114 | 1465 |
| LMArena French | 1232 | 1456 |
| LMArena German | 1169 | 1408 |
| LMArena Japanese | 1017 | 1373 |
| LMArena Korean | 1017 | 1371 |
| LMArena Russian | 1159 | 1395 |
| LMArena Spanish | 1241 | 1445 |

## Instruction Following

- Llama 3-70B: 62.5 (#238)
- Longcat Flash Chat: 74.4 (#96)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Instruction Following | 1194 | 1411 |

## Long Context

- Llama 3-70B: 35.6 (#240)
- Longcat Flash Chat: 43.5 (#93)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Longer Query | 1174 | 1425 |

## Writing & Preference

- Llama 3-70B: 42.8 (#231)
- Longcat Flash Chat: 61.0 (#91)

| Benchmark | Llama 3-70B | Longcat Flash Chat |
|---|---|---|
| LMArena Text | 1221 | 1427 |
| LMArena Creative Writing | 1210 | 1388 |
| LMArena Multi-Turn | 1223 | 1418 |

## FAQ

### Is Llama 3-70B better than Longcat Flash Chat?

Longcat Flash Chat is the stronger model overall, scoring 42.1 to 28.8 on the Noometry Index.

### Is Llama 3-70B or Longcat Flash Chat better for coding?

Longcat Flash Chat scores higher on coding benchmarks: 43.5 versus 35.8 in the Noometry coding category.

### How many benchmarks do Llama 3-70B and Longcat Flash Chat share?

18 benchmarks have published results for both models. Llama 3-70B has 31 scored results on Noometry and Longcat Flash Chat has 19.