# Chatgpt 4o Latest 20250326 vs Yi-Lightning

> Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/chatgpt-4o-vs-yi-lightning
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 8 categories and Yi-Lightning in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Chatgpt 4o Latest 20250326 leads 41.6 to 27.4.

## Snapshot

| | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 43.8 | 37.1 |
| Rank | 82 | 209 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Chatgpt 4o Latest 20250326: 41.6 (#122)
- Yi-Lightning: 27.4 (#320)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1413 | 1312 |
| Aider Polyglot | — | 12.9% |

## Reasoning

- Chatgpt 4o Latest 20250326: 33.8 (#71)
- Yi-Lightning: 25.9 (#139)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1302 |
| Kagi LLM Benchmark | 75% | — |

## Math

- Chatgpt 4o Latest 20250326: 38.6 (#134)
- Yi-Lightning: 36.2 (#172)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1407 | 1300 |

## Knowledge

- Chatgpt 4o Latest 20250326: 39.2 (#137)
- Yi-Lightning: 35.4 (#185)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1401 | 1286 |
| Confabulations | 16.6% | — |

## Multimodal

- Chatgpt 4o Latest 20250326: 39.6 (#58)
- Yi-Lightning: —

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Vision | 1243 | — |

## Multilingual

- Chatgpt 4o Latest 20250326: 52.9 (#76)
- Yi-Lightning: 42.2 (#196)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1419 | 1269 |
| LMArena Chinese | 1457 | 1320 |
| LMArena French | 1446 | 1305 |
| LMArena German | 1423 | 1267 |
| LMArena Japanese | 1405 | 1228 |
| LMArena Korean | 1396 | 1192 |
| LMArena Russian | 1429 | 1255 |
| LMArena Spanish | 1434 | 1315 |

## Instruction Following

- Chatgpt 4o Latest 20250326: 74.0 (#107)
- Yi-Lightning: 67.4 (#196)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1403 | 1278 |

## Long Context

- Chatgpt 4o Latest 20250326: 43.1 (#107)
- Yi-Lightning: 39.4 (#181)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1413 | 1297 |

## Writing & Preference

- Chatgpt 4o Latest 20250326: 62.6 (#72)
- Yi-Lightning: 50.2 (#184)

| Benchmark | Chatgpt 4o Latest 20250326 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1429 | 1302 |
| LMArena Creative Writing | 1405 | 1280 |
| LMArena Multi-Turn | 1454 | 1311 |
| EQ-Bench Creative Writing | 1501 | — |

## FAQ

### Is Chatgpt 4o Latest 20250326 better than Yi-Lightning?

Chatgpt 4o Latest 20250326 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index.

### Is Chatgpt 4o Latest 20250326 or Yi-Lightning better for coding?

Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do Chatgpt 4o Latest 20250326 and Yi-Lightning share?

17 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Yi-Lightning has 18.