Model comparison
Grok-2 (Dec 2024) vs Llama 3.1 Nemotron 51b Instruct
Llama 3.1 Nemotron 51b Instruct is the stronger model overall, scoring 35.9 to 33.7 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. Grok-2 (Dec 2024) scores higher in 4 categories and Llama 3.1 Nemotron 51b Instruct in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Llama 3.1 Nemotron 51b Instruct leads 34.6 to 20.8.
- Llama 3.1 Nemotron 51b Instruct has downloadable open weights; the other is API-only.
Side by side
| Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct | |
|---|---|---|
| Provider | xAI | NVIDIA |
| Noometry Index | 33.7 | 35.9 |
| Released | 2024-08-13 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 34 | 12 |
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Category by category
Coding Llama 3.1 Nemotron 51b Instruct leads
Grok-2 (Dec 2024): 33.3 (#258), Llama 3.1 Nemotron 51b Instruct: 35.6 (#222)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Coding | 1287 | 1223 |
| WeirdML | 22.2% | — |
| LiveBench Coding | 46.4% | — |
Reasoning Llama 3.1 Nemotron 51b Instruct leads
Grok-2 (Dec 2024): 16.9 (#299), Llama 3.1 Nemotron 51b Instruct: 23.5 (#177)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1272 | 1203 |
| SimpleBench | 22.7% | — |
| LiveBench Reasoning | 54.8% | — |
| DTBench | 65.2% | — |
| LiveBench Data Analysis | 54.5% | — |
| Epoch Capabilities Index | 130.48 | — |
| LiveBench | 54.3% | — |
Math Llama 3.1 Nemotron 51b Instruct leads
Grok-2 (Dec 2024): 20.8 (#284), Llama 3.1 Nemotron 51b Instruct: 34.6 (#193)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Math | 1283 | 1230 |
| OTIS Mock AIME 2024-2025 | 11.5% | — |
| LiveBench Math | 54.9% | — |
| MATH Level 5 | 63.5% | — |
| FrontierMath (Feb 2025 set) | 0.7% | — |
Knowledge Llama 3.1 Nemotron 51b Instruct leads
Grok-2 (Dec 2024): 29.8 (#233), Llama 3.1 Nemotron 51b Instruct: 31.9 (#218)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Expert | 1254 | 1167 |
| GPQA Diamond | 53.8% | — |
| Confabulations | 20.1% | — |
Multilingual Grok-2 (Dec 2024) leads
Grok-2 (Dec 2024): 43.1 (#188), Llama 3.1 Nemotron 51b Instruct: 36.1 (#241)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Non-English | 1282 | 1181 |
| LMArena Chinese | 1289 | 1180 |
| LMArena Russian | 1286 | 1187 |
| LMArena French | 1318 | — |
| LMArena German | 1287 | — |
| LMArena Japanese | 1244 | — |
| LMArena Korean | 1237 | — |
| LMArena Spanish | 1281 | — |
Instruction Following Grok-2 (Dec 2024) leads
Grok-2 (Dec 2024): 66.9 (#202), Llama 3.1 Nemotron 51b Instruct: 62.9 (#233)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Instruction Following | 1270 | 1201 |
| LiveBench Instruction Following | 69.6% | — |
Long Context Grok-2 (Dec 2024) leads
Grok-2 (Dec 2024): 38.8 (#190), Llama 3.1 Nemotron 51b Instruct: 36.5 (#230)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Longer Query | 1276 | 1205 |
Writing & Preference Grok-2 (Dec 2024) leads
Grok-2 (Dec 2024): 48.6 (#198), Llama 3.1 Nemotron 51b Instruct: 43.4 (#229)
| Benchmark | Grok-2 (Dec 2024) | Llama 3.1 Nemotron 51b Instruct |
|---|---|---|
| LMArena Text | 1305 | 1228 |
| LMArena Creative Writing | 1284 | 1213 |
| LMArena Multi-Turn | 1290 | 1227 |
| Short-Story Creative Writing | 63.6% | — |
| LiveBench Language | 45.6% | — |
Frequently asked questions
Is Grok-2 (Dec 2024) better than Llama 3.1 Nemotron 51b Instruct?
Llama 3.1 Nemotron 51b Instruct is the stronger model overall, scoring 35.9 to 33.7 on the Noometry Index.
Is Grok-2 (Dec 2024) or Llama 3.1 Nemotron 51b Instruct better for coding?
Llama 3.1 Nemotron 51b Instruct scores higher on coding benchmarks: 35.6 versus 33.3 in the Noometry coding category.
How many benchmarks do Grok-2 (Dec 2024) and Llama 3.1 Nemotron 51b Instruct share?
12 benchmarks have published results for both models. Grok-2 (Dec 2024) has 34 scored results on Noometry and Llama 3.1 Nemotron 51b Instruct has 12.