Model comparison
GLM-4.6 vs Yi-Lightning
GLM-4.6 is the stronger model overall, scoring 40.9 to 36.5 on the Noometry Index.
Last verified . 17 shared benchmarks.
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.
Side by side
| GLM-4.6 | Yi-Lightning | |
|---|---|---|
| Provider | Z.ai (Zhipu) | 01.AI |
| Noometry Index | 40.9 | 36.5 |
| Released | 2025-09-30 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 205K | — |
| Max output | 131K | — |
| Input $ / M tokens | $0.60 | — |
| Output $ / M tokens | $2.20 | — |
| Results tracked | 29 | 18 |
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Category by category
Coding GLM-4.6 leads
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 Not comparable
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 Yi-Lightning leads
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 leads
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 leads
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 leads
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 leads
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 leads
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 leads
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 | — |
Frequently asked questions
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.