# Grok 3 vs Yi-1.5-34B

> Grok 3 is the stronger model overall, scoring 39.6 to 30.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-3-vs-yi-1-5-34b
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Grok 3 scores higher in 7 categories and Yi-1.5-34B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 3 leads 46.0 to 14.8.
- The biggest single-benchmark swing is MATH Level 5: 88.7% for Grok 3 and 25.5% for Yi-1.5-34B.
- Yi-1.5-34B has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 3 | Yi-1.5-34B |
|---|---|---|
| Provider | xAI | 01.AI |
| Noometry Index | 39.6 | 30.2 |
| Rank | 150 | 286 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok 3: 41.5 (#113)
- Yi-1.5-34B: 31.9 (#267)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Coding | 1432 | 1169 |
| Aider Polyglot | 53.3% | — |
| WeirdML | 37.2% | — |
| BigCodeBench Instruct | — | 33.9% |
| BigCodeBench Complete | — | 43.8% |

## Agentic & Tool Use

- Grok 3: 30.2 (#69)
- Yi-1.5-34B: —

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| BALROG | 29.5% | — |

## Reasoning

- Grok 3: 13.8 (#322)
- Yi-1.5-34B: 21.5 (#195)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Hard Prompts | 1433 | 1160 |
| ARC-AGI-2 | 0% | — |
| SimpleBench | 36.1% | — |
| Kagi LLM Benchmark | 61.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Epoch Capabilities Index | 138.34 | — |

## Math

- Grok 3: 36.2 (#122)
- Yi-1.5-34B: 25.3 (#248)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Math | 1390 | 1182 |
| MATH Level 5 | 88.7% | 25.5% |
| OTIS Mock AIME 2024-2025 | 55.6% | — |
| Omni-MATH | 46.4% | — |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Grok 3: 46.0 (#76)
- Yi-1.5-34B: 14.8 (#290)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| GPQA Diamond | 75.8% | 32% |
| LMArena Expert | 1420 | 1144 |
| MMLU-Pro | 78.8% | — |
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 5.8% | — |
| GPQA (HELM) | 65% | — |

## Multilingual

- Grok 3: 52.5 (#81)
- Yi-1.5-34B: 32.5 (#251)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Non-English | 1411 | 1121 |
| LMArena Chinese | 1448 | 1213 |
| LMArena French | 1460 | 1155 |
| LMArena German | 1431 | 1111 |
| LMArena Japanese | 1389 | 1021 |
| LMArena Korean | 1374 | 1005 |
| LMArena Russian | 1416 | 1091 |
| LMArena Spanish | 1417 | 1120 |

## Instruction Following

- Grok 3: 75.2 (#69)
- Yi-1.5-34B: 59.4 (#252)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Instruction Following | 1409 | 1139 |
| IFEval | 88.4% | — |

## Long Context

- Grok 3: 38.7 (#187)
- Yi-1.5-34B: 34.6 (#243)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Longer Query | 1439 | 1144 |
| Fiction.LiveBench | 58.3% | — |

## Writing & Preference

- Grok 3: 56.0 (#136)
- Yi-1.5-34B: 37.6 (#252)

| Benchmark | Grok 3 | Yi-1.5-34B |
|---|---|---|
| LMArena Text | 1426 | 1173 |
| LMArena Creative Writing | 1414 | 1135 |
| LMArena Multi-Turn | 1424 | 1153 |
| Short-Story Creative Writing | 76.4% | — |
| EQ-Bench Creative Writing | 1186 | — |
| WildBench | 84.9% | — |

## FAQ

### Is Grok 3 better than Yi-1.5-34B?

Grok 3 is the stronger model overall, scoring 39.6 to 30.2 on the Noometry Index.

### Is Grok 3 or Yi-1.5-34B better for coding?

Grok 3 scores higher on coding benchmarks: 41.5 versus 31.9 in the Noometry coding category.

### How many benchmarks do Grok 3 and Yi-1.5-34B share?

19 benchmarks have published results for both models. Grok 3 has 40 scored results on Noometry and Yi-1.5-34B has 21.