Model comparison
Nemotron 3.5 Lightning vs o1-mini
Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 34.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
NVIDIASummary
- They share 17 benchmarks with published results for both. Nemotron 3.5 Lightning scores higher in 7 categories and o1-mini in 1 category; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nemotron 3.5 Lightning leads 26.8 to 8.8.
- Nemotron 3.5 Lightning has downloadable open weights; the other is API-only.
Side by side
| Nemotron 3.5 Lightning | o1-mini | |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Noometry Index | 40.0 | 34.0 |
| Released | 2026-08-11 | 2024-09-12 |
| Weights | Open | Proprietary |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.20 | — |
| Results tracked | 18 | 39 |
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Category by category
Coding Nemotron 3.5 Lightning leads
Nemotron 3.5 Lightning: 40.4 (#141), o1-mini: 35.5 (#224)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Coding | 1375 | 1362 |
| Aider Polyglot | — | 32.9% |
| WeirdML | — | 36.3% |
| LiveBench Coding | — | 48% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 78.8% |
Agentic & Tool Use Not comparable
Nemotron 3.5 Lightning: —, o1-mini: 24.6 (#118)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| Cybench | — | 10% |
Reasoning Nemotron 3.5 Lightning leads
Nemotron 3.5 Lightning: 26.8 (#127), o1-mini: 8.8 (#346)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Hard Prompts | 1337 | 1333 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 18.1% |
| ARC-AGI-1 | — | 14% |
| LiveBench Reasoning | — | 72.3% |
| LiveBench Data Analysis | — | 57.9% |
| Epoch Capabilities Index | — | 135.82 |
| LiveBench | — | 57.8% |
Math Nemotron 3.5 Lightning leads
Nemotron 3.5 Lightning: 37.5 (#155), o1-mini: 35.4 (#186)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Math | 1359 | 1358 |
| OTIS Mock AIME 2024-2025 | — | 46.9% |
| LiveBench Math | — | 62% |
| MATH Level 5 | — | 89.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Nemotron 3.5 Lightning leads
Nemotron 3.5 Lightning: 37.5 (#154), o1-mini: 34.9 (#192)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Expert | 1356 | 1316 |
| GPQA Diamond | — | 62.4% |
| Confabulations | — | 18.6% |
Multilingual Too close to call
Nemotron 3.5 Lightning: 44.0 (#180), o1-mini: 43.6 (#182)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Non-English | 1295 | 1289 |
| LMArena Chinese | 1359 | 1314 |
| LMArena French | 1366 | 1293 |
| LMArena German | 1282 | 1278 |
| LMArena Japanese | 1206 | 1245 |
| LMArena Korean | 1238 | 1223 |
| LMArena Russian | 1253 | 1283 |
| LMArena Spanish | 1345 | 1303 |
Instruction Following Nemotron 3.5 Lightning leads
Nemotron 3.5 Lightning: 69.6 (#170), o1-mini: 66.7 (#206)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Instruction Following | 1318 | 1304 |
| LiveBench Instruction Following | — | 65.4% |
Long Context Too close to call
Nemotron 3.5 Lightning: 39.9 (#165), o1-mini: 40.1 (#161)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Longer Query | 1314 | 1320 |
Writing & Preference Too close to call
Nemotron 3.5 Lightning: 48.5 (#201), o1-mini: 48.4 (#202)
| Benchmark | Nemotron 3.5 Lightning | o1-mini |
|---|---|---|
| LMArena Text | 1327 | 1317 |
| LMArena Creative Writing | 1254 | 1244 |
| LMArena Multi-Turn | 1328 | 1314 |
| Short-Story Creative Writing | — | 64.9% |
| EQ-Bench Creative Writing | 1280 | — |
| LiveBench Language | — | 40.9% |
Frequently asked questions
Is Nemotron 3.5 Lightning better than o1-mini?
Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 34.0 on the Noometry Index.
Is Nemotron 3.5 Lightning or o1-mini better for coding?
Nemotron 3.5 Lightning scores higher on coding benchmarks: 40.4 versus 35.5 in the Noometry coding category.
How many benchmarks do Nemotron 3.5 Lightning and o1-mini share?
17 benchmarks have published results for both models. Nemotron 3.5 Lightning has 18 scored results on Noometry and o1-mini has 39.