Model comparison
o3-pro vs Yi-Lightning
o3-pro is the stronger model overall, scoring 42.9 to 37.1 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. o3-pro scores higher in 3 categories and Yi-Lightning in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.2 to 39.4.
- The biggest single-benchmark swing is Aider Polyglot: 84.9% for o3-pro and 12.9% for Yi-Lightning.
Side by side
| o3-pro | Yi-Lightning | |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 42.9 | 37.1 |
| Released | 2025-06-10 | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 200K | — |
| Max output | 100K | — |
| Input $ / M tokens | $20 | — |
| Output $ / M tokens | $80 | — |
| Results tracked | 12 | 18 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding o3-pro leads
o3-pro: 55.5 (#24), Yi-Lightning: 27.4 (#320)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Aider Polyglot | 84.9% | 12.9% |
| WeirdML | 58.2% | — |
| LMArena Coding | — | 1312 |
Reasoning Yi-Lightning leads
o3-pro: 23.8 (#171), Yi-Lightning: 25.9 (#139)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| ARC-AGI-2 | 4.9% | — |
| Kagi LLM Benchmark | 72.1% | — |
| ARC-AGI-1 | 59.3% | — |
| LMArena Hard Prompts | — | 1302 |
| DTBench | 86.9% | — |
| LMCA | 38.5% | — |
| Epoch Capabilities Index | 147.42 | — |
Math Not comparable
o3-pro: —, Yi-Lightning: 36.2 (#172)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Math | — | 1300 |
Knowledge Yi-Lightning leads
o3-pro: 29.5 (#238), Yi-Lightning: 35.4 (#185)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Confabulations | 14.2% | — |
| Vectara Hallucination Rate | 23.3% | — |
| LMArena Expert | — | 1286 |
Multilingual Not comparable
o3-pro: —, Yi-Lightning: 42.2 (#196)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1305 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |
Instruction Following Not comparable
o3-pro: —, Yi-Lightning: 67.4 (#196)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |
Long Context o3-pro leads
o3-pro: 72.2 (#1), Yi-Lightning: 39.4 (#181)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| Fiction.LiveBench | 97.2% | — |
| LMArena Longer Query | — | 1297 |
Writing & Preference o3-pro leads
o3-pro: 57.1 (#133), Yi-Lightning: 50.2 (#184)
| Benchmark | o3-pro | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| Short-Story Creative Writing | 84.4% | — |
| LMArena Multi-Turn | — | 1311 |
Frequently asked questions
Is o3-pro better than Yi-Lightning?
o3-pro is the stronger model overall, scoring 42.9 to 37.1 on the Noometry Index.
Is o3-pro or Yi-Lightning better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 27.4 in the Noometry coding category.
How many benchmarks do o3-pro and Yi-Lightning share?
1 benchmark has published results for both models. o3-pro has 12 scored results on Noometry and Yi-Lightning has 18.