Model comparison
GLM-4.5 vs Yi-Lightning
GLM-4.5 is the stronger model overall, scoring 42.0 to 37.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. GLM-4.5 scores higher in 7 categories and Yi-Lightning in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where GLM-4.5 leads 41.4 to 27.4.
- GLM-4.5 has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5 | Yi-Lightning | |
|---|---|---|
| Provider | Z.ai (Zhipu) | 01.AI |
| Noometry Index | 42.0 | 37.1 |
| Released | 2025-07-27 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 131K | — |
| Max output | 98K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $2.20 | — |
| Results tracked | 27 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GLM-4.5 leads
GLM-4.5: 41.4 (#125), Yi-Lightning: 27.4 (#320)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1434 | 1312 |
| SWE-bench Verified (bash only) | 54.2% | — |
| Aider Polyglot | — | 12.9% |
| WeirdML | 40.6% | — |
| ALE-Bench | 344.82 | — |
| AlgoTune | 1.52 | — |
Reasoning GLM-4.5 leads
GLM-4.5: 28.6 (#100), Yi-Lightning: 25.9 (#139)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1429 | 1302 |
| Kagi LLM Benchmark | 57.9% | — |
Math GLM-4.5 leads
GLM-4.5: 39.0 (#116), Yi-Lightning: 36.2 (#172)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1427 | 1300 |
Knowledge Too close to call
GLM-4.5: 35.9 (#179), Yi-Lightning: 35.4 (#185)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1433 | 1286 |
| Humanity's Last Exam | 8.3% | — |
| Confabulations | 11.3% | — |
Multilingual GLM-4.5 leads
GLM-4.5: 52.8 (#77), Yi-Lightning: 42.2 (#196)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1417 | 1269 |
| LMArena Chinese | 1465 | 1320 |
| LMArena French | 1418 | 1305 |
| LMArena German | 1407 | 1267 |
| LMArena Japanese | 1415 | 1228 |
| LMArena Korean | 1380 | 1192 |
| LMArena Russian | 1414 | 1255 |
| LMArena Spanish | 1454 | 1315 |
Instruction Following GLM-4.5 leads
GLM-4.5: 74.1 (#104), Yi-Lightning: 67.4 (#196)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1404 | 1278 |
Long Context Yi-Lightning leads
GLM-4.5: 38.2 (#201), Yi-Lightning: 39.4 (#181)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1412 | 1297 |
| Fiction.LiveBench | 58.3% | — |
Writing & Preference GLM-4.5 leads
GLM-4.5: 57.5 (#127), Yi-Lightning: 50.2 (#184)
| Benchmark | GLM-4.5 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1430 | 1302 |
| LMArena Creative Writing | 1395 | 1280 |
| LMArena Multi-Turn | 1415 | 1311 |
| Short-Story Creative Writing | 73.4% | — |
| EQ-Bench Creative Writing | 1343 | — |
Frequently asked questions
Is GLM-4.5 better than Yi-Lightning?
GLM-4.5 is the stronger model overall, scoring 42.0 to 37.1 on the Noometry Index.
Is GLM-4.5 or Yi-Lightning better for coding?
GLM-4.5 scores higher on coding benchmarks: 41.4 versus 27.4 in the Noometry coding category.
How many benchmarks do GLM-4.5 and Yi-Lightning share?
17 benchmarks have published results for both models. GLM-4.5 has 27 scored results on Noometry and Yi-Lightning has 18.