# DeepSeek LLM 67B vs Yi-Lightning

> Yi-Lightning is the stronger model overall, scoring 36.5 to 24.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/deepseek-llm-67b-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 10

## Summary

- They share 10 benchmarks with published results for both. DeepSeek LLM 67B scores higher in 1 category and Yi-Lightning in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Yi-Lightning leads 34.8 to 7.1.
- DeepSeek LLM 67B has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| Provider | DeepSeek | 01.AI |
| Noometry Index | 24.8 | 36.5 |
| Rank | 341 | 206 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek LLM 67B: 31.3 (#273)
- Yi-Lightning: 27.0 (#315)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1096 | 1313 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- DeepSeek LLM 67B: 15.9 (#300)
- Yi-Lightning: 24.9 (#137)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1070 | 1302 |
| Chess Puzzles | 0% | — |
| Epoch Capabilities Index | 110.54 | — |

## Math

- DeepSeek LLM 67B: 8.1 (#318)
- Yi-Lightning: 33.5 (#173)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Math | 1108 | 1300 |
| OTIS Mock AIME 2024-2025 | 0.8% | — |
| MATH Level 5 | 6.4% | — |

## Knowledge

- DeepSeek LLM 67B: 7.1 (#308)
- Yi-Lightning: 34.8 (#182)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| GPQA Diamond | 24.6% | — |
| LMArena Expert | — | 1286 |

## Multilingual

- DeepSeek LLM 67B: 29.5 (#262)
- Yi-Lightning: 42.4 (#191)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1073 | 1269 |
| LMArena Chinese | 1132 | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- DeepSeek LLM 67B: 55.7 (#272)
- Yi-Lightning: 67.6 (#191)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1079 | 1278 |

## Long Context

- DeepSeek LLM 67B: 33.1 (#260)
- Yi-Lightning: 39.4 (#176)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1092 | 1297 |

## Writing & Preference

- DeepSeek LLM 67B: 31.8 (#277)
- Yi-Lightning: 50.4 (#178)

| Benchmark | DeepSeek LLM 67B | Yi-Lightning |
|---|---|---|
| LMArena Text | 1105 | 1302 |
| LMArena Creative Writing | 1067 | 1280 |
| LMArena Multi-Turn | 1082 | 1311 |

## FAQ

### Is DeepSeek LLM 67B better than Yi-Lightning?

Yi-Lightning is the stronger model overall, scoring 36.5 to 24.8 on the Noometry Index.

### Is DeepSeek LLM 67B or Yi-Lightning better for coding?

DeepSeek LLM 67B scores higher on coding benchmarks: 31.3 versus 27.0 in the Noometry coding category.

### How many benchmarks do DeepSeek LLM 67B and Yi-Lightning share?

10 benchmarks have published results for both models. DeepSeek LLM 67B has 15 scored results on Noometry and Yi-Lightning has 18.