Model comparison
Llama 3.1 Nemotron 51b Instruct vs o3-mini
Llama 3.1 Nemotron 51b Instruct and o3-mini score almost the same on the Noometry Index (35.9 vs 36.7), so choose on price, context window or the category you care about most.
Last verified . 12 shared benchmarks.
NVIDIASummary
- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 3 categories and o3-mini in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where o3-mini leads 75.1 to 62.9.
- Llama 3.1 Nemotron 51b Instruct has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1 Nemotron 51b Instruct | o3-mini | |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Noometry Index | 35.9 | 36.7 |
| Released | — | 2024-12-20 |
| Weights | Open | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $1.10 |
| Output $ / M tokens | — | $4.40 |
| Results tracked | 12 | 51 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding o3-mini leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), o3-mini: 40.8 (#132)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Coding | 1223 | 1378 |
| Aider Polyglot | — | 60.4% |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| LiveBench Coding | — | 82.7% |
| CadEval | — | 54% |
Agentic & Tool Use Not comparable
Llama 3.1 Nemotron 51b Instruct: —, o3-mini: 29.6 (#84)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| Cybench | — | 22.5% |
Reasoning Llama 3.1 Nemotron 51b Instruct leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), o3-mini: 16.3 (#305)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1366 |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| LiveBench Reasoning | — | 89.6% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LiveBench Data Analysis | — | 70.6% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
| LiveBench | — | 75.9% |
Math Llama 3.1 Nemotron 51b Instruct leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), o3-mini: 28.1 (#244)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Math | 1230 | 1396 |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| LiveBench Math | — | 77.3% |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge o3-mini leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), o3-mini: 38.3 (#146)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Expert | 1167 | 1364 |
| GPQA Diamond | — | 77% |
| SimpleQA Verified | — | 15.3% |
| Confabulations | — | 17.9% |
Multilingual o3-mini leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), o3-mini: 45.7 (#164)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Non-English | 1181 | 1319 |
| LMArena Chinese | 1180 | 1379 |
| LMArena Russian | 1187 | 1304 |
| LMArena French | — | 1334 |
| LMArena German | — | 1303 |
| LMArena Japanese | — | 1286 |
| LMArena Korean | — | 1314 |
| LMArena Spanish | — | 1321 |
Instruction Following o3-mini leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), o3-mini: 75.1 (#72)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Instruction Following | 1201 | 1337 |
| LiveBench Instruction Following | — | 84.4% |
Long Context Llama 3.1 Nemotron 51b Instruct leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), o3-mini: 33.8 (#256)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Longer Query | 1205 | 1343 |
| Fiction.LiveBench | — | 50% |
Writing & Preference o3-mini leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), o3-mini: 50.3 (#182)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | o3-mini |
|---|---|---|
| LMArena Text | 1228 | 1337 |
| LMArena Creative Writing | 1213 | 1286 |
| LMArena Multi-Turn | 1227 | 1320 |
| Short-Story Creative Writing | — | 61.7% |
| LiveBench Language | — | 50.7% |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than o3-mini?
Llama 3.1 Nemotron 51b Instruct and o3-mini score almost the same on the Noometry Index (35.9 vs 36.7), so choose on price, context window or the category you care about most.
Is Llama 3.1 Nemotron 51b Instruct or o3-mini better for coding?
o3-mini scores higher on coding benchmarks: 40.8 versus 35.6 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron 51b Instruct and o3-mini share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and o3-mini has 51.