Model comparison
Hy3 vs Yi-Lightning
Hy3 is the stronger model overall, scoring 44.2 to 37.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
TencentSummary
- They share 17 benchmarks with published results for both. Hy3 scores higher in 8 categories and Yi-Lightning in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where Hy3 leads 46.8 to 27.4.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Hy3 | Yi-Lightning | |
|---|---|---|
| Provider | Tencent | 01.AI |
| Noometry Index | 44.2 | 37.1 |
| Released | 2026-07-06 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 262K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.0825 | — |
| Output $ / M tokens | $0.33 | — |
| Results tracked | 19 | 18 |
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Category by category
Coding Hy3 leads
Hy3: 46.8 (#63), Yi-Lightning: 27.4 (#320)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1464 | 1312 |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1508 | — |
Reasoning Too close to call
Hy3: 26.1 (#136), Yi-Lightning: 25.9 (#139)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1447 | 1302 |
| NYT Connections (extended) | 41.2% | — |
Math Hy3 leads
Hy3: 40.1 (#93), Yi-Lightning: 36.2 (#172)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Math | 1475 | 1300 |
Knowledge Hy3 leads
Hy3: 40.8 (#114), Yi-Lightning: 35.4 (#185)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1460 | 1286 |
Multilingual Hy3 leads
Hy3: 53.5 (#65), Yi-Lightning: 42.2 (#196)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1426 | 1269 |
| LMArena Chinese | 1493 | 1320 |
| LMArena French | 1461 | 1305 |
| LMArena German | 1439 | 1267 |
| LMArena Japanese | 1392 | 1228 |
| LMArena Korean | 1395 | 1192 |
| LMArena Russian | 1432 | 1255 |
| LMArena Spanish | 1456 | 1315 |
Instruction Following Hy3 leads
Hy3: 75.1 (#70), Yi-Lightning: 67.4 (#196)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1426 | 1278 |
Long Context Hy3 leads
Hy3: 44.1 (#75), Yi-Lightning: 39.4 (#181)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1442 | 1297 |
Writing & Preference Hy3 leads
Hy3: 62.2 (#81), Yi-Lightning: 50.2 (#184)
| Benchmark | Hy3 | Yi-Lightning |
|---|---|---|
| LMArena Text | 1439 | 1302 |
| LMArena Creative Writing | 1402 | 1280 |
| LMArena Multi-Turn | 1436 | 1311 |
Frequently asked questions
Is Hy3 better than Yi-Lightning?
Hy3 is the stronger model overall, scoring 44.2 to 37.1 on the Noometry Index.
Is Hy3 or Yi-Lightning better for coding?
Hy3 scores higher on coding benchmarks: 46.8 versus 27.4 in the Noometry coding category.
How many benchmarks do Hy3 and Yi-Lightning share?
17 benchmarks have published results for both models. Hy3 has 19 scored results on Noometry and Yi-Lightning has 18.