# GLM-4.6 vs Yi-Lightning

> GLM-4.6 is the stronger model overall, scoring 40.9 to 36.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/glm-4-6-vs-yi-lightning
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. GLM-4.6 scores higher in 7 categories and Yi-Lightning in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where GLM-4.6 leads 39.9 to 27.0.
- GLM-4.6 has downloadable open weights; the other is API-only.

## Snapshot

| | GLM-4.6 | Yi-Lightning |
|---|---|---|
| Provider | Z.ai (Zhipu) | 01.AI |
| Noometry Index | 40.9 | 36.5 |
| Rank | 132 | 206 |
| Context | 205K | — |
| Input $/M | $0.60 | — |
| Output $/M | $2.20 | — |
| Weights | Open | Proprietary |

## Coding

- GLM-4.6: 39.9 (#137)
- Yi-Lightning: 27.0 (#315)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1449 | 1313 |
| SWE-bench Verified (bash only) | 55.4% | — |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1339 | — |
| SciCode | 38.4% | — |
| ALE-Bench | 340.82 | — |

## Agentic & Tool Use

- GLM-4.6: 32.1 (#60)
- Yi-Lightning: —

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| Terminal-Bench | 24.5% | — |
| Berkeley Function Calling Leaderboard | 72.4% | — |

## Reasoning

- GLM-4.6: 23.1 (#168)
- Yi-Lightning: 24.9 (#137)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1440 | 1302 |
| Kagi LLM Benchmark | 47.4% | — |
| CritPt | 1.1% | — |

## Math

- GLM-4.6: 36.4 (#115)
- Yi-Lightning: 33.5 (#173)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1431 | 1300 |
| FrontierMath (Feb 2025 set) | 3.8% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- GLM-4.6: 39.6 (#118)
- Yi-Lightning: 34.8 (#182)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1432 | 1286 |
| Vectara Hallucination Rate | 9.5% | — |

## Multilingual

- GLM-4.6: 53.6 (#62)
- Yi-Lightning: 42.4 (#191)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1426 | 1269 |
| LMArena Chinese | 1500 | 1320 |
| LMArena French | 1459 | 1304 |
| LMArena German | 1447 | 1267 |
| LMArena Japanese | 1394 | 1228 |
| LMArena Korean | 1401 | 1192 |
| LMArena Russian | 1418 | 1255 |
| LMArena Spanish | 1436 | 1315 |

## Instruction Following

- GLM-4.6: 74.5 (#93)
- Yi-Lightning: 67.6 (#191)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1410 | 1278 |

## Long Context

- GLM-4.6: 43.4 (#91)
- Yi-Lightning: 39.4 (#176)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1423 | 1297 |

## Writing & Preference

- GLM-4.6: 61.3 (#86)
- Yi-Lightning: 50.4 (#178)

| Benchmark | GLM-4.6 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1440 | 1302 |
| LMArena Creative Writing | 1411 | 1280 |
| LMArena Multi-Turn | 1427 | 1311 |
| EQ-Bench Creative Writing | 1411 | — |

## FAQ

### Is GLM-4.6 better than Yi-Lightning?

GLM-4.6 is the stronger model overall, scoring 40.9 to 36.5 on the Noometry Index.

### Is GLM-4.6 or Yi-Lightning better for coding?

GLM-4.6 scores higher on coding benchmarks: 39.9 versus 27.0 in the Noometry coding category.

### How many benchmarks do GLM-4.6 and Yi-Lightning share?

17 benchmarks have published results for both models. GLM-4.6 has 29 scored results on Noometry and Yi-Lightning has 18.