# o3-pro vs Yi-Lightning

> o3-pro is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o3-pro-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. o3-pro scores higher in 3 categories and Yi-Lightning in 2 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.1 to 39.4.
- The biggest single-benchmark swing is Aider Polyglot: 84.9% for o3-pro and 12.9% for Yi-Lightning.

## Snapshot

| | o3-pro | Yi-Lightning |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 42.7 | 36.5 |
| Rank | 94 | 206 |
| Context | 200K | — |
| Input $/M | $20 | — |
| Output $/M | $80 | — |
| Weights | Proprietary | Proprietary |

## Coding

- o3-pro: 55.1 (#22)
- Yi-Lightning: 27.0 (#315)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Aider Polyglot | 84.9% | 12.9% |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1313 |

## Reasoning

- o3-pro: 24.1 (#152)
- Yi-Lightning: 24.9 (#137)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1302 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.43 | — |

## Math

- o3-pro: —
- Yi-Lightning: 33.5 (#173)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |

## Knowledge

- o3-pro: 29.0 (#234)
- Yi-Lightning: 34.8 (#182)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| LMArena Expert | — | 1286 |

## Multilingual

- o3-pro: —
- Yi-Lightning: 42.4 (#191)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |

## Instruction Following

- o3-pro: —
- Yi-Lightning: 67.6 (#191)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |

## Long Context

- o3-pro: 72.1 (#1)
- Yi-Lightning: 39.4 (#176)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1297 |

## Writing & Preference

- o3-pro: 57.1 (#128)
- Yi-Lightning: 50.4 (#178)

| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 1311 |

## FAQ

### Is o3-pro better than Yi-Lightning?

o3-pro is the stronger model overall, scoring 42.7 to 36.5 on the Noometry Index.

### Is o3-pro or Yi-Lightning better for coding?

o3-pro scores higher on coding benchmarks: 55.1 versus 27.0 in the Noometry coding category.

### How many benchmarks do o3-pro and Yi-Lightning share?

1 benchmark has published results for both models. o3-pro has 12 scored results on Noometry and Yi-Lightning has 18.