Model comparison
Llama 3.1 Nemotron 51b Instruct vs Qwen3.6 Plus
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 35.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
NVIDIA
Alibaba (Qwen)Summary
- They share 12 benchmarks with published results for both. Llama 3.1 Nemotron 51b Instruct scores higher in 0 categories and Qwen3.6 Plus in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Qwen3.6 Plus leads 56.1 to 31.9.
- Llama 3.1 Nemotron 51b Instruct has downloadable open weights; the other is API-only.
Side by side
| Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus | |
|---|---|---|
| Provider | NVIDIA | Alibaba (Qwen) |
| Noometry Index | 35.9 | 47.5 |
| Released | — | 2026-03-31 |
| Weights | Open | Proprietary |
| Context window | — | 1M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $3 |
| Results tracked | 12 | 37 |
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Category by category
Coding Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 35.6 (#222), Qwen3.6 Plus: 40.8 (#130)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Coding | 1223 | 1467 |
| SWE-bench Verified | — | 57.9% |
| LMArena WebDev | — | 1461 |
| SciCode | — | 40.7% |
| ALE-Bench | — | 670.15 |
Agentic & Tool Use Not comparable
Llama 3.1 Nemotron 51b Instruct: —, Qwen3.6 Plus: —
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| Vending-Bench 2 | — | 5,115 |
Reasoning Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 23.5 (#177), Qwen3.6 Plus: 29.3 (#93)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Hard Prompts | 1203 | 1449 |
| NYT Connections (extended) | — | 60.3% |
| CritPt | — | 2.9% |
| Chess Puzzles | — | 17% |
| Thematic Generalization | — | 59.5% |
| Mystery Game Puzzles | — | 12% |
| DTBench | — | 81.9% |
| LMCA | — | 33.1% |
| Epoch Capabilities Index | — | 147.65 |
Math Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 34.6 (#193), Qwen3.6 Plus: 51.8 (#54)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Math | 1230 | 1450 |
| FrontierMath (Tiers 1-3) | — | 38.2% |
| OTIS Mock AIME 2024-2025 | — | 93.3% |
| FrontierMath (Feb 2025 set) | — | 26.2% |
| FrontierMath Tier 4 (v1) | — | 8.3% |
Knowledge Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 31.9 (#218), Qwen3.6 Plus: 56.1 (#45)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Expert | 1167 | 1454 |
| GPQA Diamond | — | 88.4% |
| SimpleQA Verified | — | 44.1% |
Multilingual Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 36.1 (#241), Qwen3.6 Plus: 53.3 (#70)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Non-English | 1181 | 1424 |
| LMArena Chinese | 1180 | 1477 |
| LMArena Russian | 1187 | 1434 |
| LMArena French | — | 1455 |
| LMArena German | — | 1452 |
| LMArena Japanese | — | 1389 |
| LMArena Korean | — | 1379 |
| LMArena Spanish | — | 1432 |
Instruction Following Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 62.9 (#233), Qwen3.6 Plus: 75.0 (#74)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Instruction Following | 1201 | 1425 |
Long Context Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 36.5 (#230), Qwen3.6 Plus: 45.2 (#49)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Longer Query | 1205 | 1439 |
| CL-bench | — | 20.3% |
Writing & Preference Qwen3.6 Plus leads
Llama 3.1 Nemotron 51b Instruct: 43.4 (#229), Qwen3.6 Plus: 62.2 (#82)
| Benchmark | Llama 3.1 Nemotron 51b Instruct | Qwen3.6 Plus |
|---|---|---|
| LMArena Text | 1228 | 1437 |
| LMArena Creative Writing | 1213 | 1404 |
| LMArena Multi-Turn | 1227 | 1438 |
Frequently asked questions
Is Llama 3.1 Nemotron 51b Instruct better than Qwen3.6 Plus?
Qwen3.6 Plus is the stronger model overall, scoring 47.5 to 35.9 on the Noometry Index.
Is Llama 3.1 Nemotron 51b Instruct or Qwen3.6 Plus better for coding?
Qwen3.6 Plus 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 Qwen3.6 Plus share?
12 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Qwen3.6 Plus has 37.