Nemotron 3 Ultra vs Qwen3.5-27B
Nemotron 3 Ultra and Qwen3.5-27B tie on the Artificial Analysis Intelligence Index at 22.9, and Qwen3.5-27B costs 1.5x less per output token ($1.56 vs $2.40 per million). Updated October 23, 2026; 37 benchmarks have a result for both.
Nemotron 3 Ultra or Qwen3.5-27B: which to pick
Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Qwen3.5-27B has none, so the two cannot be ranked on coding.
Pick Qwen3.5-27B for output tokens 1.5x cheaper ($1.56 vs $2.40 per million) and work measured by τ²-Bench Telecom, where it leads.
- Shared results
- 37
- Nemotron 3 Ultra only
- 34
- Qwen3.5-27B only
- 17
- Like-for-like categories
- 7 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Only Nemotron 3 Ultra has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
No call
Tied at 22.9.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Nemotron 3 Ultra has a AA Agentic Index result, 20.1.
Directional only
Reasoning
GPQA Diamond
No call
Only Nemotron 3 Ultra has a GPQA Diamond result, 86.1%.
Directional only
Knowledge
MMLU Pro
No call
Only Nemotron 3 Ultra has a MMLU Pro result, 85.8%.
Directional only
Web design
Design Arena: websites
No call
Only Nemotron 3 Ultra has a Design Arena: websites result, 1145.
Directional only
Long documents
Listed context window
No call
Both take 262K tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Qwen3.5-27B
Nemotron 3 Ultra $0.0018, Qwen3.5-27B $0.0010 per turn.
List prices
At a glance
- Coding index
- Nemotron 3 Ultra 30.0 from 3 benchmarks, Qwen3.5-27B not benchmarked.
- Widest category
- Agentic work, 10.5 points apart on average over 1 shared benchmark.
- Widest single gap
- LMArena Text: German: Nemotron 3 Ultra 1474 against Qwen3.5-27B 1393, 13.5 points apart on a 0 to 100 scale.
- Output price
- Nemotron 3 Ultra $2.40 against Qwen3.5-27B $1.56 per million output tokens, 1.5x apart.
- Context window
- Both take 262K tokens.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Nemotron 3 Ultra | Bars | Qwen3.5-27B | Ties |
|---|---|---|---|---|
| Coding | 4 | 0 | ||
| Intelligence | 0 | 0 | 1 tie | |
| Agentic work | 0 | 1 | ||
| Reasoning | 5 | 0 | ||
| Math | 2 | 0 | ||
| Knowledge | 4 | 0 | ||
| General | 20 | 0 | ||
| All shared boards | 35 | 1 | 1 tie |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index40
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1359 | Only Qwen3.5-27B measured |
| AA Coding Index | 49.3 | Not measured | Only Nemotron 3 Ultra measured |
| LiveCodeBench (Vals AI) | 86.0% | Not measured | Only Nemotron 3 Ultra measured |
| SWE-bench Verified (Vals AI) | 69.0% | Not measured | Only Nemotron 3 Ultra measured |
| Vibe Code Bench (Vals AI) | 7.6% | Not measured | Only Nemotron 3 Ultra measured |
| Code migration (Vals AI) | 4.9% | Not measured | Only Nemotron 3 Ultra measured |
| ProgramBench (Vals AI) | 0.0% | Not measured | Only Nemotron 3 Ultra measured |
| Terminal-Bench 2.1 (Vals AI) | 50.9% | Not measured | Only Nemotron 3 Ultra measured |
| SciCode | 40.3% | Not measured | Only Nemotron 3 Ultra measured |
| Terminal-Bench Hard (Artificial Analysis run) | 36.4% | 32.6% | Nemotron 3 Ultra |
| FrontierCode | 13.6% | Not measured | Only Nemotron 3 Ultra measured |
| WeirdML | 43.5% | 39.5% | Nemotron 3 Ultra |
| ALE-Bench | Not measured | 349.4 | Only Qwen3.5-27B measured |
| LMArena Text: coding | 1467 | 1427 | Nemotron 3 Ultra |
| LMArena Text: software and IT | 1468 | 1431 | Nemotron 3 Ultra |
| LMArena WebDev: React | Not measured | 1346 | Only Qwen3.5-27B measured |
| LMArena WebDev: HTML | Not measured | 1387 | Only Qwen3.5-27B measured |
| Neither model has a result on the other 26 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index00
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| AA Intelligence Index | 22.9 | 22.9 | Tie |
| Epoch Capabilities Index | 146.0 | Not measured | Only Nemotron 3 Ultra measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| AA Agentic Index | 20.1 | Not measured | Only Nemotron 3 Ultra measured |
| Finance Agent (Vals AI) | 37.7% | Not measured | Only Nemotron 3 Ultra measured |
| Legal Research Bench (Vals AI) | 15.4% | Not measured | Only Nemotron 3 Ultra measured |
| Excel Modeling Benchmark (Vals AI) | 31.7% | Not measured | Only Nemotron 3 Ultra measured |
| τ²-Bench Telecom | 83.3% | 93.9% | Qwen3.5-27B |
| APEX-Agents | 22.7% | Not measured | Only Nemotron 3 Ultra measured |
| Vending-Bench 2 | Not measured | $202 | Only Qwen3.5-27B measured |
| MCP Atlas | 63.1% | Not measured | Only Nemotron 3 Ultra measured |
| Neither model has a result on the other 34 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| GPQA Diamond | 86.1% | Not measured | Only Nemotron 3 Ultra measured |
| GPQA Diamond (Artificial Analysis run) | 86.7% | 85.8% | Nemotron 3 Ultra |
| Humanity's Last Exam (Artificial Analysis run) | 28.4% | 23.9% | Nemotron 3 Ultra |
| GPQA Diamond (Epoch AI run) | 85.4% | Not measured | Only Nemotron 3 Ultra measured |
| Mystery game puzzles | 20.0% | Not measured | Only Nemotron 3 Ultra measured |
| LMArena Text: hard prompts | 1452 | 1414 | Nemotron 3 Ultra |
| LMArena Text: expert | 1472 | 1428 | Nemotron 3 Ultra |
| LMArena Text: hard prompts in English | 1453 | 1428 | Nemotron 3 Ultra |
| LMArena Vision: diagrams | Not measured | 1249 | Only Qwen3.5-27B measured |
| LMArena Vision: homework | Not measured | 1256 | Only Qwen3.5-27B measured |
| Neither model has a result on the other 13 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| OTIS Mock AIME | 86.7% | Not measured | Only Nemotron 3 Ultra measured |
| ProofBench | 2.0% | Not measured | Only Nemotron 3 Ultra measured |
| LMArena Text: math | 1457 | 1429 | Nemotron 3 Ultra |
| LMArena Text: mathematical work | 1462 | 1429 | Nemotron 3 Ultra |
| MathArena | Not measured | 15.8% | Only Qwen3.5-27B measured |
| Neither model has a result on the other 9 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| MMLU Pro | 85.8% | Not measured | Only Nemotron 3 Ultra measured |
| LegalBench (Vals AI) | 82.1% | Not measured | Only Nemotron 3 Ultra measured |
| CorpFin (Vals AI) | 65.5% | Not measured | Only Nemotron 3 Ultra measured |
| TaxEval (Vals AI) | 73.1% | Not measured | Only Nemotron 3 Ultra measured |
| MedCode (Vals AI) | 38.6% | Not measured | Only Nemotron 3 Ultra measured |
| LMArena Text: science | 1465 | 1437 | Nemotron 3 Ultra |
| LMArena Text: medicine and healthcare | 1455 | 1425 | Nemotron 3 Ultra |
| LMArena Text: legal and government | 1453 | 1405 | Nemotron 3 Ultra |
| LMArena Text: business and finance | 1435 | 1399 | Nemotron 3 Ultra |
| Neither model has a result on the other 11 boards here | |||
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| Design Arena: websites | 1145 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: UI components | 1135 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: game dev | 1138 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: data viz | 1142 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: 3D | 1132 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: all code categories | 1146 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: SVG | 1069 | Not measured | Only Nemotron 3 Ultra measured |
| Design Arena: ASCII art | 1100 | Not measured | Only Nemotron 3 Ultra measured |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index200
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| IFBench | 81.4% | 75.6% | Nemotron 3 Ultra |
| Long context reasoning (AA-LCR) | 79.3% | 77.7% | Nemotron 3 Ultra |
| DTBench | 90.1% | 82.4% | Nemotron 3 Ultra |
| LMCA | 36.9% | 34.0% | Nemotron 3 Ultra |
| LMArena Text | 1445 | 1409 | Nemotron 3 Ultra |
| LMArena Text: instruction following | 1418 | 1393 | Nemotron 3 Ultra |
| LMArena Text: creative writing | 1398 | 1363 | Nemotron 3 Ultra |
| LMArena Vision | Not measured | 1241 | Only Qwen3.5-27B measured |
| LMArena Text: English | 1454 | 1425 | Nemotron 3 Ultra |
| LMArena Text: non-English | 1427 | 1390 | Nemotron 3 Ultra |
| LMArena Text: Chinese | 1498 | 1478 | Nemotron 3 Ultra |
| LMArena Text: German | 1474 | 1393 | Nemotron 3 Ultra |
| LMArena Text: Japanese | Not measured | 1346 | Only Qwen3.5-27B measured |
| LMArena Text: Korean | 1385 | 1359 | Nemotron 3 Ultra |
| LMArena Text: French | 1473 | 1410 | Nemotron 3 Ultra |
| LMArena Text: Spanish | 1454 | 1407 | Nemotron 3 Ultra |
| LMArena Text: Russian | 1417 | 1390 | Nemotron 3 Ultra |
| LMArena Text: Polish | 1385 | 1375 | Nemotron 3 Ultra |
| LMArena Text: multi-turn | 1411 | 1410 | Nemotron 3 Ultra |
| LMArena Text: longer queries | 1437 | 1413 | Nemotron 3 Ultra |
| LMArena Text: writing and language | 1405 | 1381 | Nemotron 3 Ultra |
| LMArena Text: entertainment and media | 1397 | 1363 | Nemotron 3 Ultra |
| LMArena Vision: English | Not measured | 1246 | Only Qwen3.5-27B measured |
| LMArena Vision: Chinese | Not measured | 1301 | Only Qwen3.5-27B measured |
| LMArena Vision: reading text | Not measured | 1246 | Only Qwen3.5-27B measured |
| LMArena Vision: humor | Not measured | 1227 | Only Qwen3.5-27B measured |
| LMArena Vision: captioning | Not measured | 1170 | Only Qwen3.5-27B measured |
| LMArena Vision: recognizing things | Not measured | 1210 | Only Qwen3.5-27B measured |
| LMArena Vision: creative writing | Not measured | 1224 | Only Qwen3.5-27B measured |
| Neither model has a result on the other 19 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Nemotron 3 Ultra | Qwen3.5-27B | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Qwen3.5-27B costs less
Repository review
50K input + 3K output tokens
Qwen3.5-27B costs less
Agent loop
200K input + 10K output tokens
Qwen3.5-27B costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | NVIDIA Nemotron 3 Ultra | Qwen3.5-27B |
|---|---|---|
| Maker | NVIDIA | Qwen |
| Weights | Open weights | Open weights |
| Released | June 4, 2026 | February 25, 2026 |
| Context window | 262K | 262K |
| Input $/Mtok | $0.60 | $0.195 |
| Output $/Mtok | $2.40 | $1.56 |
| Coding index | 30.0 | Not benchmarked |
| Independent measurements behind it | 3 | 1 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nemotron 3 Ultra better than Qwen3.5-27B for coding?
Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Qwen3.5-27B has none, so the two cannot be ranked on coding. Pick Qwen3.5-27B for output tokens 1.5x cheaper ($1.56 vs $2.40 per million) and work measured by τ²-Bench Telecom, where it leads.
Which is cheaper, Nemotron 3 Ultra or Qwen3.5-27B?
Nemotron 3 Ultra costs $0.60 per million input tokens and $2.40 per million output tokens; Qwen3.5-27B costs $0.195 and $1.56. Cost per solved task is known for neither of them.
Which has the bigger context window, Nemotron 3 Ultra or Qwen3.5-27B?
Neither: both take 262K tokens.
How many benchmarks is the Nemotron 3 Ultra vs Qwen3.5-27B comparison based on?
37 benchmarks have a result for both models as of October 23, 2026. Nemotron 3 Ultra's coding index rests on 3 independent benchmarks and Qwen3.5-27B's on 1. Where only one model has a result, the page says so instead of naming a winner.