Model comparison
Llama 3.1 Nemotron Ultra 253b v1 vs Qwen3.5 35B-A3B
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 36.7 on the Noometry Index.
Last verified . 10 shared benchmarks.
NVIDIA
Alibaba (Qwen)Summary
- They share 10 benchmarks with published results for both. Llama 3.1 Nemotron Ultra 253b v1 scores higher in 2 categories and Qwen3.5 35B-A3B in 5 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Qwen3.5 35B-A3B leads 50.0 to 43.1.
Side by side
| Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B | |
|---|---|---|
| Provider | NVIDIA | Alibaba (Qwen) |
| Noometry Index | 36.7 | 42.0 |
| Released | — | 2026-02-01 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $2 |
| Results tracked | 11 | 28 |
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Category by category
Coding Llama 3.1 Nemotron Ultra 253b v1 leads
Llama 3.1 Nemotron Ultra 253b v1: 38.4 (#177), Qwen3.5 35B-A3B: 33.8 (#251)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Coding | 1312 | 1410 |
| LMArena WebDev | — | 1254 |
| SciCode | — | 29.3% |
Agentic & Tool Use Not comparable
Llama 3.1 Nemotron Ultra 253b v1: 15.7 (#149), Qwen3.5 35B-A3B: —
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 10% | — |
Reasoning Llama 3.1 Nemotron Ultra 253b v1 leads
Llama 3.1 Nemotron Ultra 253b v1: 26.3 (#134), Qwen3.5 35B-A3B: 24.6 (#161)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Hard Prompts | 1316 | 1400 |
| CritPt | — | 0.6% |
| Chess Puzzles | — | 10% |
| DTBench | — | 80% |
| LMCA | — | 29.5% |
| Epoch Capabilities Index | — | 142.52 |
Math Qwen3.5 35B-A3B leads
Llama 3.1 Nemotron Ultra 253b v1: 37.5 (#152), Qwen3.5 35B-A3B: 39.9 (#97)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Math | 1360 | 1404 |
| MathArena Final-Answer Competitions | — | 56% |
| OTIS Mock AIME 2024-2025 | — | 70% |
Knowledge Not comparable
Llama 3.1 Nemotron Ultra 253b v1: —, Qwen3.5 35B-A3B: 47.8 (#79)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| GPQA Diamond | — | 83.5% |
| Vectara Hallucination Rate | — | 10.5% |
| LMArena Expert | — | 1408 |
Multilingual Qwen3.5 35B-A3B leads
Llama 3.1 Nemotron Ultra 253b v1: 43.1 (#187), Qwen3.5 35B-A3B: 50.0 (#127)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Non-English | 1282 | 1378 |
| LMArena Russian | 1284 | 1376 |
| LMArena Chinese | — | 1457 |
| LMArena French | — | 1412 |
| LMArena German | — | 1367 |
| LMArena Japanese | — | 1325 |
| LMArena Korean | — | 1356 |
| LMArena Spanish | — | 1392 |
Instruction Following Qwen3.5 35B-A3B leads
Llama 3.1 Nemotron Ultra 253b v1: 69.0 (#178), Qwen3.5 35B-A3B: 72.8 (#128)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Instruction Following | 1308 | 1379 |
Long Context Qwen3.5 35B-A3B leads
Llama 3.1 Nemotron Ultra 253b v1: 39.5 (#177), Qwen3.5 35B-A3B: 42.4 (#127)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Longer Query | 1299 | 1389 |
Writing & Preference Qwen3.5 35B-A3B leads
Llama 3.1 Nemotron Ultra 253b v1: 52.2 (#175), Qwen3.5 35B-A3B: 57.9 (#124)
| Benchmark | Llama 3.1 Nemotron Ultra 253b v1 | Qwen3.5 35B-A3B |
|---|---|---|
| LMArena Text | 1320 | 1395 |
| LMArena Creative Writing | 1314 | 1346 |
| LMArena Multi-Turn | 1317 | 1390 |
Frequently asked questions
Is Llama 3.1 Nemotron Ultra 253b v1 better than Qwen3.5 35B-A3B?
Qwen3.5 35B-A3B is the stronger model overall, scoring 42.0 to 36.7 on the Noometry Index.
Is Llama 3.1 Nemotron Ultra 253b v1 or Qwen3.5 35B-A3B better for coding?
Llama 3.1 Nemotron Ultra 253b v1 scores higher on coding benchmarks: 38.4 versus 33.8 in the Noometry coding category.
How many benchmarks do Llama 3.1 Nemotron Ultra 253b v1 and Qwen3.5 35B-A3B share?
10 benchmarks have published results for both models. Llama 3.1 Nemotron Ultra 253b v1 has 11 scored results on Noometry and Qwen3.5 35B-A3B has 28.