Model comparison
GPT-5 Pro vs Yi-Lightning
GPT-5 Pro is the stronger model overall, scoring 46.2 to 36.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where GPT-5 Pro leads 56.2 to 34.8.
Side by side
| GPT-5 Pro | Yi-Lightning | |
|---|---|---|
| Provider | OpenAI | 01.AI |
| Noometry Index | 46.2 | 36.5 |
| Released | 2025-10-06 | 2024-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 272K | — |
| Input $ / M tokens | $15 | — |
| Output $ / M tokens | $120 | — |
| Results tracked | 12 | 18 |
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Category by category
Coding GPT-5 Pro leads
GPT-5 Pro: 43.4 (#77), Yi-Lightning: 27.0 (#315)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| Aider Polyglot | — | 12.9% |
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1313 |
| AlgoTune | 1.31 | — |
Reasoning GPT-5 Pro leads
GPT-5 Pro: 39.2 (#52), Yi-Lightning: 24.9 (#137)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1302 |
| Epoch Capabilities Index | 150.26 | — |
Math GPT-5 Pro leads
GPT-5 Pro: 48.0 (#53), Yi-Lightning: 33.5 (#173)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| LMArena Math | — | 1300 |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.2 (#39), Yi-Lightning: 34.8 (#182)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1286 |
Multilingual Not comparable
GPT-5 Pro: —, Yi-Lightning: 42.4 (#191)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| LMArena Non-English | — | 1269 |
| LMArena Chinese | — | 1320 |
| LMArena French | — | 1304 |
| LMArena German | — | 1267 |
| LMArena Japanese | — | 1228 |
| LMArena Korean | — | 1192 |
| LMArena Russian | — | 1255 |
| LMArena Spanish | — | 1315 |
Instruction Following Not comparable
GPT-5 Pro: —, Yi-Lightning: 67.6 (#191)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1278 |
Long Context Not comparable
GPT-5 Pro: —, Yi-Lightning: 39.4 (#176)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| LMArena Longer Query | — | 1297 |
Writing & Preference Not comparable
GPT-5 Pro: —, Yi-Lightning: 50.4 (#178)
| Benchmark | GPT-5 Pro | Yi-Lightning |
|---|---|---|
| LMArena Text | — | 1302 |
| LMArena Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1311 |
Frequently asked questions
Is GPT-5 Pro better than Yi-Lightning?
GPT-5 Pro is the stronger model overall, scoring 46.2 to 36.5 on the Noometry Index.
Is GPT-5 Pro or Yi-Lightning better for coding?
GPT-5 Pro scores higher on coding benchmarks: 43.4 versus 27.0 in the Noometry coding category.
How many benchmarks do GPT-5 Pro and Yi-Lightning share?
0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Yi-Lightning has 18.