Model comparison
Trinity Large Thinking vs Yi-Lightning
Trinity Large Thinking is the stronger model overall, scoring 38.6 to 37.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
Arcee AISummary
- They share 17 benchmarks with published results for both. Trinity Large Thinking scores higher in 7 categories and Yi-Lightning in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Yi-Lightning leads 25.9 to 16.9.
- Trinity Large Thinking has downloadable open weights; the other is API-only.
Side by side
| Trinity Large Thinking | Yi-Lightning | |
|---|---|---|
| Provider | Arcee AI | 01.AI |
| Noometry Index | 38.6 | 37.1 |
| Released | 2026-04-01 | 2024-12-02 |
| Weights | Open | Proprietary |
| Context window | 262K | — |
| Max output | 80K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $0.80 | — |
| Results tracked | 24 | 18 |
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Category by category
Coding Trinity Large Thinking leads
Trinity Large Thinking: 34.1 (#244), Yi-Lightning: 27.4 (#320)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Coding | 1381 | 1312 |
| Aider Polyglot | — | 12.9% |
| LMArena WebDev | 1238 | — |
| SciCode | 36.1% | — |
Reasoning Yi-Lightning leads
Trinity Large Thinking: 16.9 (#298), Yi-Lightning: 25.9 (#139)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Hard Prompts | 1350 | 1302 |
| NYT Connections (extended) | 16.5% | — |
| CritPt | 0.9% | — |
| Thematic Generalization | 41.6% | — |
| Surface Evolver Bench | 15.6% | — |
Math Trinity Large Thinking leads
Trinity Large Thinking: 37.6 (#149), Yi-Lightning: 36.2 (#172)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Math | 1366 | 1300 |
Knowledge Trinity Large Thinking leads
Trinity Large Thinking: 40.9 (#113), Yi-Lightning: 35.4 (#185)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Expert | 1360 | 1286 |
| Vectara Hallucination Rate | 6.9% | — |
Multilingual Trinity Large Thinking leads
Trinity Large Thinking: 46.2 (#160), Yi-Lightning: 42.2 (#196)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Non-English | 1325 | 1269 |
| LMArena Chinese | 1373 | 1320 |
| LMArena French | 1374 | 1305 |
| LMArena German | 1356 | 1267 |
| LMArena Japanese | 1311 | 1228 |
| LMArena Korean | 1306 | 1192 |
| LMArena Russian | 1337 | 1255 |
| LMArena Spanish | 1357 | 1315 |
Instruction Following Trinity Large Thinking leads
Trinity Large Thinking: 70.5 (#162), Yi-Lightning: 67.4 (#196)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | 1334 | 1278 |
Long Context Trinity Large Thinking leads
Trinity Large Thinking: 41.3 (#144), Yi-Lightning: 39.4 (#181)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | 1355 | 1297 |
Writing & Preference Trinity Large Thinking leads
Trinity Large Thinking: 53.8 (#158), Yi-Lightning: 50.2 (#184)
| Benchmark | Trinity Large Thinking | Yi-Lightning |
|---|---|---|
| LMArena Text | 1340 | 1302 |
| LMArena Creative Writing | 1320 | 1280 |
| LMArena Multi-Turn | 1342 | 1311 |
Frequently asked questions
Is Trinity Large Thinking better than Yi-Lightning?
Trinity Large Thinking is the stronger model overall, scoring 38.6 to 37.1 on the Noometry Index.
Is Trinity Large Thinking or Yi-Lightning better for coding?
Trinity Large Thinking scores higher on coding benchmarks: 34.1 versus 27.4 in the Noometry coding category.
How many benchmarks do Trinity Large Thinking and Yi-Lightning share?
17 benchmarks have published results for both models. Trinity Large Thinking has 24 scored results on Noometry and Yi-Lightning has 18.