Model comparison
Nemotron 3 Ultra vs Qwen3.5 Plus
Nemotron 3 Ultra and Qwen3.5 Plus score almost the same on the Noometry Index (42.5 vs 42.9), so choose on price, context window or the category you care about most.
Last verified . 7 shared benchmarks.
NVIDIA
Alibaba (Qwen)Summary
- They share 7 benchmarks with published results for both. Nemotron 3 Ultra scores higher in 2 categories and Qwen3.5 Plus in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Qwen3.5 Plus leads 49.6 to 35.3.
- The biggest single-benchmark swing is Chess Puzzles: 12% for Nemotron 3 Ultra and 22% for Qwen3.5 Plus.
- Both cost about the same: $0.50 input and $2.20 output per million tokens.
- Qwen3.5 Plus accepts more context: 1M tokens versus 262K.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Nemotron 3 Ultra | Qwen3.5 Plus | |
|---|---|---|
| Provider | NVIDIA | Alibaba (Qwen) |
| Noometry Index | 42.5 | 42.9 |
| Released | 2026-06-04 | 2026-02-16 |
| Weights | Open | Proprietary |
| Context window | 262K | 1M |
| Max output | 128K | 66K |
| Input $ / M tokens | $0.50 | $0.40 |
| Output $ / M tokens | $2.20 | $2.40 |
| Results tracked | 30 | 15 |
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Category by category
Coding Not comparable
Nemotron 3 Ultra: 38.1 (#182), Qwen3.5 Plus: —
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| FrontierCode | 13.6% | — |
| SciCode | 40.3% | — |
| WeirdML | 43.5% | — |
| LMArena Coding | 1468 | — |
| ALE-Bench | — | 621.92 |
Agentic & Tool Use Not comparable
Nemotron 3 Ultra: 23.4 (#126), Qwen3.5 Plus: —
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| APEX-Agents | 22.7% | — |
| Vending-Bench 2 | — | 0.54 |
Reasoning Qwen3.5 Plus leads
Nemotron 3 Ultra: 31.0 (#82), Qwen3.5 Plus: 32.8 (#74)
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| Chess Puzzles | 12% | 22% |
| Mystery Game Puzzles | 20% | 17% |
| DTBench | 90.1% | 80.5% |
| LMCA | 36.9% | 36.4% |
| Epoch Capabilities Index | 146.17 | 146.78 |
| CritPt | 3.1% | — |
| LMArena Hard Prompts | 1452 | — |
Math Qwen3.5 Plus leads
Nemotron 3 Ultra: 35.3 (#187), Qwen3.5 Plus: 49.6 (#61)
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | 86.7% |
| ProofBench | 2% | — |
| LMArena Math | 1457 | — |
| FrontierMath (Feb 2025 set) | — | 21% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge Nemotron 3 Ultra leads
Nemotron 3 Ultra: 52.5 (#61), Qwen3.5 Plus: 46.0 (#83)
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| GPQA Diamond | 85.4% | 84.8% |
| SimpleQA Verified | — | 25.4% |
| Vectara Hallucination Rate | — | 10.7% |
| LMArena Expert | 1472 | — |
Multilingual Not comparable
Nemotron 3 Ultra: 53.5 (#64), Qwen3.5 Plus: —
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| LMArena Non-English | 1427 | — |
| LMArena Chinese | 1497 | — |
| LMArena French | 1472 | — |
| LMArena German | 1471 | — |
| LMArena Korean | 1386 | — |
| LMArena Russian | 1417 | — |
| LMArena Spanish | 1454 | — |
Instruction Following Not comparable
Nemotron 3 Ultra: 74.7 (#88), Qwen3.5 Plus: —
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| LMArena Instruction Following | 1418 | — |
Long Context Too close to call
Nemotron 3 Ultra: 43.9 (#81), Qwen3.5 Plus: 43.0 (#113)
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| CL-bench | — | 19.8% |
| CL-bench Life | — | 12.4% |
| LMArena Longer Query | 1437 | — |
Writing & Preference Not comparable
Nemotron 3 Ultra: 66.3 (#36), Qwen3.5 Plus: —
| Benchmark | Nemotron 3 Ultra | Qwen3.5 Plus |
|---|---|---|
| LMArena Text | 1445 | — |
| LMArena Creative Writing | 1398 | — |
| EQ-Bench Creative Writing | 1692 | — |
| LMArena Multi-Turn | 1411 | — |
Frequently asked questions
Is Nemotron 3 Ultra better than Qwen3.5 Plus?
Nemotron 3 Ultra and Qwen3.5 Plus score almost the same on the Noometry Index (42.5 vs 42.9), so choose on price, context window or the category you care about most.
Which is cheaper, Nemotron 3 Ultra or Qwen3.5 Plus?
Qwen3.5 Plus is cheaper. It lists at $0.40 per million input tokens and $2.40 per million output tokens; Nemotron 3 Ultra lists at $0.50 and $2.20.
Which has the bigger context window?
Qwen3.5 Plus does, with 1M tokens against 262K.
How many benchmarks do Nemotron 3 Ultra and Qwen3.5 Plus share?
7 benchmarks have published results for both models. Nemotron 3 Ultra has 30 scored results on Noometry and Qwen3.5 Plus has 15.