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Nemotron 3 Ultra vs Qwen3.5 397B A17B

Nemotron 3 Ultra leads Qwen3.5 397B A17B on the Artificial Analysis Intelligence Index, 22.9 to 21.4, at about the same output price ($2.40 vs $2.34 per million). Updated October 23, 2026; 49 benchmarks have a result for both.

Replace Nemotron 3 Ultra Replace Qwen3.5 397B A17B
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
22
Qwen3.5 397B A17BQwen
Coding
No data
Overall
57.2
Output $/M
$2.34
27
vs boards won of 49 shared

Nemotron 3 Ultra or Qwen3.5 397B A17B: which to pick

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Qwen3.5 397B A17B has none, so the two cannot be ranked on coding.

Pick Qwen3.5 397B A17B for output tokens 1.0x cheaper ($2.34 vs $2.40 per million) and work measured by SciCode or Terminal-Bench Hard (Artificial Analysis run), where it leads.

Model ANemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved taskModel BQwen3.5 397B A17BQwenNot benchmarked1 independent benchmarkNo cost per solved task
Shared results
49
Nemotron 3 Ultra only
22
Qwen3.5 397B A17B only
17
Like-for-like categories
8 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.

At a glance

Coding index
Nemotron 3 Ultra 30.0 from 3 benchmarks, Qwen3.5 397B A17B not benchmarked.
Widest category
Agentic work, 7.2 points apart on average over 2 shared benchmarks.
Widest single gap
τ²-Bench Telecom: Nemotron 3 Ultra 83.3% against Qwen3.5 397B A17B 95.6%, 12.3 points apart on a 0 to 100 scale.
Output price
Nemotron 3 Ultra $2.40 against Qwen3.5 397B A17B $2.34 per million output tokens, 1.0x 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.

Boards won, where both have a result
CategoryNemotron 3 UltraBarsQwen3.5 397B A17BTies
Coding22
Intelligence11
Agentic work02
Reasoning43
Math21
Knowledge40
Web design07
General911
All shared boards2227
CodingLike-for-likeSix of these boards feed the Vibe Coding Index22
Coding benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
LMArena WebDevNot measured1400Only Qwen3.5 397B A17B measured
AA Coding Index49.3Not measuredOnly Nemotron 3 Ultra measured
LiveCodeBench (Vals AI)86.0%Not measuredOnly Nemotron 3 Ultra measured
SWE-bench Verified (Vals AI)69.0%Not measuredOnly Nemotron 3 Ultra measured
Vibe Code Bench (Vals AI)7.6%Not measuredOnly Nemotron 3 Ultra measured
Code migration (Vals AI)4.9%Not measuredOnly Nemotron 3 Ultra measured
ProgramBench (Vals AI)0.0%Not measuredOnly Nemotron 3 Ultra measured
Terminal-Bench 2.1 (Vals AI)50.9%Not measuredOnly Nemotron 3 Ultra measured
SciCode40.3%44.8%Qwen3.5 397B A17B
Terminal-Bench Hard (Artificial Analysis run)36.4%40.9%Qwen3.5 397B A17B
FrontierCode13.6%Not measuredOnly Nemotron 3 Ultra measured
WeirdML43.5%Not measuredOnly Nemotron 3 Ultra measured
ALE-BenchNot measured621.9Only Qwen3.5 397B A17B measured
LMArena Text: coding14671465Nemotron 3 Ultra
LMArena Text: software and IT14681463Nemotron 3 Ultra
LMArena WebDev: ReactNot measured1388Only Qwen3.5 397B A17B measured
LMArena WebDev: HTMLNot measured1409Only Qwen3.5 397B A17B measured
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
AA Intelligence Index22.921.4Nemotron 3 Ultra
Epoch Capabilities Index146.0146.8Qwen3.5 397B A17B
Agentic workLike-for-likePublic boards, shown as published, kept out of the index02
Agentic work benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
AA Agentic Index20.1Not measuredOnly Nemotron 3 Ultra measured
Finance Agent (Vals AI)37.7%Not measuredOnly Nemotron 3 Ultra measured
Legal Research Bench (Vals AI)15.4%Not measuredOnly Nemotron 3 Ultra measured
Excel Modeling Benchmark (Vals AI)31.7%Not measuredOnly Nemotron 3 Ultra measured
τ²-Bench Telecom83.3%95.6%Qwen3.5 397B A17B
APEX-Agents22.7%24.9%Qwen3.5 397B A17B
MCP Atlas63.1%Not measuredOnly Nemotron 3 Ultra measured
Neither model has a result on the other 35 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index43
Reasoning benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
GPQA Diamond86.1%Not measuredOnly Nemotron 3 Ultra measured
GPQA Diamond (Artificial Analysis run)86.7%89.3%Qwen3.5 397B A17B
Humanity's Last Exam (Artificial Analysis run)28.4%29.0%Qwen3.5 397B A17B
GPQA Diamond (Epoch AI run)85.4%86.4%Qwen3.5 397B A17B
Mystery game puzzles20.0%18.0%Nemotron 3 Ultra
LMArena Text: hard prompts14521448Nemotron 3 Ultra
LMArena Text: expert14721462Nemotron 3 Ultra
LMArena Text: hard prompts in English14531450Nemotron 3 Ultra
LMArena Vision: diagramsNot measured1277Only Qwen3.5 397B A17B measured
LMArena Vision: homeworkNot measured1292Only Qwen3.5 397B A17B measured
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index21
Math benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
OTIS Mock AIME86.7%88.9%Qwen3.5 397B A17B
FrontierMath, tiers 1 to 3Not measured31.2%Only Qwen3.5 397B A17B measured
ProofBench2.0%Not measuredOnly Nemotron 3 Ultra measured
LMArena Text: math14571454Nemotron 3 Ultra
LMArena Text: mathematical work14621454Nemotron 3 Ultra
MathArenaNot measured19.2%Only Qwen3.5 397B A17B measured
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
MMLU Pro85.8%Not measuredOnly Nemotron 3 Ultra measured
LegalBench (Vals AI)82.1%Not measuredOnly Nemotron 3 Ultra measured
CorpFin (Vals AI)65.5%Not measuredOnly Nemotron 3 Ultra measured
TaxEval (Vals AI)73.1%Not measuredOnly Nemotron 3 Ultra measured
MedCode (Vals AI)38.6%Not measuredOnly Nemotron 3 Ultra measured
LMArena Text: science14651457Nemotron 3 Ultra
LMArena Text: medicine and healthcare14551455Nemotron 3 Ultra
LMArena Text: legal and government14531441Nemotron 3 Ultra
LMArena Text: business and finance14351435Nemotron 3 Ultra
Neither model has a result on the other 11 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index07
Web design benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
Design Arena: websites11451190Qwen3.5 397B A17B
Design Arena: UI components11351161Qwen3.5 397B A17B
Design Arena: game dev11381140Qwen3.5 397B A17B
Design Arena: data viz11421175Qwen3.5 397B A17B
Design Arena: 3D11321162Qwen3.5 397B A17B
Design Arena: all code categories11461179Qwen3.5 397B A17B
Design Arena: SVG10691139Qwen3.5 397B A17B
Design Arena: ASCII art1100Not measuredOnly 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 index911
General benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
IFBench81.4%78.8%Nemotron 3 Ultra
Long context reasoning (AA-LCR)79.3%77.3%Nemotron 3 Ultra
DTBench90.1%87.5%Nemotron 3 Ultra
LMCA36.9%37.9%Qwen3.5 397B A17B
LMArena Text14451438Nemotron 3 Ultra
LMArena Text: instruction following14181423Qwen3.5 397B A17B
LMArena Text: creative writing13981402Qwen3.5 397B A17B
LMArena VisionNot measured1262Only Qwen3.5 397B A17B measured
LMArena Text: English14541443Nemotron 3 Ultra
LMArena Text: non-English14271430Qwen3.5 397B A17B
LMArena Text: Chinese14981499Qwen3.5 397B A17B
LMArena Text: German14741444Nemotron 3 Ultra
LMArena Text: JapaneseNot measured1430Only Qwen3.5 397B A17B measured
LMArena Text: Korean13851385Nemotron 3 Ultra
LMArena Text: French14731462Nemotron 3 Ultra
LMArena Text: Spanish14541441Nemotron 3 Ultra
LMArena Text: Russian14171430Qwen3.5 397B A17B
LMArena Text: Polish13851448Qwen3.5 397B A17B
LMArena Text: multi-turn14111447Qwen3.5 397B A17B
LMArena Text: longer queries14371441Qwen3.5 397B A17B
LMArena Text: writing and language14051416Qwen3.5 397B A17B
LMArena Text: entertainment and media13971399Qwen3.5 397B A17B
LMArena Vision: EnglishNot measured1268Only Qwen3.5 397B A17B measured
LMArena Vision: ChineseNot measured1314Only Qwen3.5 397B A17B measured
LMArena Vision: reading textNot measured1271Only Qwen3.5 397B A17B measured
LMArena Vision: humorNot measured1262Only Qwen3.5 397B A17B measured
LMArena Vision: captioningNot measured1230Only Qwen3.5 397B A17B measured
LMArena Vision: recognizing thingsNot measured1265Only Qwen3.5 397B A17B measured
LMArena Vision: creative writingNot measured1260Only Qwen3.5 397B A17B 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
Image generation benchmarks for Nemotron 3 Ultra and Qwen3.5 397B A17B
BenchmarkNemotron 3 UltraQwen3.5 397B A17BLeader
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

Nemotron 3 Ultra$0.0018Fits in one request
Qwen3.5 397B A17B$0.0016Fits in one request

Qwen3.5 397B A17B costs less

Repository review

50K input + 3K output tokens

Nemotron 3 Ultra$0.037Fits in one request
Qwen3.5 397B A17B$0.027Fits in one request

Qwen3.5 397B A17B costs less

Agent loop

200K input + 10K output tokens

Nemotron 3 Ultra$0.144Fits in one request
Qwen3.5 397B A17B$0.101Fits in one request

Qwen3.5 397B A17B 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.

Specifications of Nemotron 3 Ultra and Qwen3.5 397B A17B
SpecificationNVIDIA Nemotron 3 UltraQwen3.5 397B A17B
MakerNVIDIAQwen
WeightsOpen weightsOpen weights
ReleasedJune 4, 2026February 16, 2026
Context window262K262K
Input $/Mtok$0.60$0.39
Output $/Mtok$2.40$2.34
Coding index30.0Not benchmarked
Independent measurements behind it31
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Nemotron 3 Ultra better than Qwen3.5 397B A17B for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Qwen3.5 397B A17B has none, so the two cannot be ranked on coding. Pick Qwen3.5 397B A17B for output tokens 1.0x cheaper ($2.34 vs $2.40 per million) and work measured by SciCode or Terminal-Bench Hard (Artificial Analysis run), where it leads.

Which is cheaper, Nemotron 3 Ultra or Qwen3.5 397B A17B?

Nemotron 3 Ultra costs $0.60 per million input tokens and $2.40 per million output tokens; Qwen3.5 397B A17B costs $0.39 and $2.34. Cost per solved task is known for neither of them.

Which has the bigger context window, Nemotron 3 Ultra or Qwen3.5 397B A17B?

Neither: both take 262K tokens.

How many benchmarks is the Nemotron 3 Ultra vs Qwen3.5 397B A17B comparison based on?

49 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 397B A17B's on 1. Where only one model has a result, the page says so instead of naming a winner.

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