# Llama 3-70B vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 36.5 to 28.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-3-70b-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Llama 3-70B scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Yi-Lightning leads 33.5 to 12.0.
- Llama 3-70B has downloadable open weights; the other is API-only.

## Snapshot

| | Llama 3-70B | Yi-Lightning |
|---|---|---|
| Provider | Meta | 01.AI |
| Noometry Index | 28.5 | 36.5 |
| Rank | 317 | 206 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Llama 3-70B: 35.3 (#215)
- Yi-Lightning: 27.0 (#315)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1206 | 1313 |
| Aider Polyglot | — | 12.9% |
| BigCodeBench Instruct | 43.6% | — |
| BigCodeBench Complete | 54.5% | — |
| HumanEval+ | 72% | — |
| MBPP+ | 69% | — |

## Agentic & Tool Use

- Llama 3-70B: 20.9 (#132)
- Yi-Lightning: —

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| Cybench | 5% | — |

## Reasoning

- Llama 3-70B: 17.4 (#284)
- Yi-Lightning: 24.9 (#137)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1195 | 1302 |
| Kagi LLM Benchmark | 35.1% | — |
| DTBench | 54.2% | — |
| Epoch Capabilities Index | 122.91 | — |
| ForecastBench | 57.1 | — |
| WinoGrande | 83.5% | — |

## Math

- Llama 3-70B: 12.0 (#299)
- Yi-Lightning: 33.5 (#173)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Math | 1218 | 1300 |
| OTIS Mock AIME 2024-2025 | 4.3% | — |
| MATH Level 5 | 22.6% | — |

## Knowledge

- Llama 3-70B: 20.8 (#272)
- Yi-Lightning: 34.8 (#182)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1149 | 1286 |
| GPQA Diamond | 40.6% | — |
| MMLU | 79.3% | — |

## Multilingual

- Llama 3-70B: 33.8 (#246)
- Yi-Lightning: 42.4 (#191)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1142 | 1269 |
| LMArena Chinese | 1114 | 1320 |
| LMArena French | 1231 | 1304 |
| LMArena German | 1169 | 1267 |
| LMArena Japanese | 1017 | 1228 |
| LMArena Korean | 1017 | 1192 |
| LMArena Russian | 1159 | 1255 |
| LMArena Spanish | 1241 | 1315 |

## Instruction Following

- Llama 3-70B: 62.8 (#233)
- Yi-Lightning: 67.6 (#191)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1194 | 1278 |

## Long Context

- Llama 3-70B: 35.6 (#235)
- Yi-Lightning: 39.4 (#176)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1174 | 1297 |

## Writing & Preference

- Llama 3-70B: 43.0 (#225)
- Yi-Lightning: 50.4 (#178)

| Benchmark | Llama 3-70B | Yi-Lightning |
|---|---|---|
| LMArena Text | 1221 | 1302 |
| LMArena Creative Writing | 1210 | 1280 |
| LMArena Multi-Turn | 1223 | 1311 |

## FAQ

### Is Llama 3-70B better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 36.5 to 28.5 on the Noometry Index.

### Is Llama 3-70B or Yi-Lightning better for coding?

Llama 3-70B scores higher on coding benchmarks: 35.3 versus 27.0 in the Noometry coding category.

### How many benchmarks do Llama 3-70B and Yi-Lightning share?

17 benchmarks have published results for both models. Llama 3-70B has 31 scored results on Noometry and Yi-Lightning has 18.