# Grok Build 0.1 vs Yi-Lightning

> Grok Build 0.1 and Yi-Lightning score almost the same on the Noometry Index (36.4 vs 37.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-build-0-1-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Grok Build 0.1 leads 43.1 to 27.4.

## Snapshot

| | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| Provider | xAI | 01.AI |
| Noometry Index | 36.4 | 37.1 |
| Rank | 216 | 209 |
| Context | 256K | — |
| Input $/M | $1 | — |
| Output $/M | $2 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Grok Build 0.1: 43.1 (#91)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| SciCode | 50.2% | — |
| LMArena Coding | — | 1312 |

## Agentic & Tool Use

- Grok Build 0.1: 22.7 (#129)
- Yi-Lightning: —

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| GBAEval | 2.4% | — |

## Reasoning

- Grok Build 0.1: 32.2 (#77)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| CritPt | 9.1% | — |
| LMArena Hard Prompts | — | 1302 |

## Math

- Grok Build 0.1: —
- Yi-Lightning: 36.2 (#172)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |

## Knowledge

- Grok Build 0.1: —
- Yi-Lightning: 35.4 (#185)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Expert | — | 1286 |

## Multilingual

- Grok Build 0.1: —
- Yi-Lightning: 42.2 (#196)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- Grok Build 0.1: —
- Yi-Lightning: 67.4 (#196)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |

## Long Context

- Grok Build 0.1: —
- Yi-Lightning: 39.4 (#181)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- Grok Build 0.1: —
- Yi-Lightning: 50.2 (#184)

| Benchmark | Grok Build 0.1 | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is Grok Build 0.1 better than Yi-Lightning?

Grok Build 0.1 and Yi-Lightning score almost the same on the Noometry Index (36.4 vs 37.1), so choose on price, context window or the category you care about most.

### Is Grok Build 0.1 or Yi-Lightning better for coding?

Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 27.4 in the Noometry coding category.

### How many benchmarks do Grok Build 0.1 and Yi-Lightning share?

0 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and Yi-Lightning has 18.