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R1 0528 vs Nemotron 3 Ultra

Nemotron 3 Ultra leads R1 0528 on the Artificial Analysis Intelligence Index, 22.9 to 13.1, at about the same output price ($2.40 vs $2.18 per million). Updated October 23, 2026; 44 benchmarks have a result for both.

Replace R1 0528 Replace Nemotron 3 Ultra
R1 0528DeepSeek
Coding
No data
Overall
46.8
Output $/M
$2.18
6
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
38
vs boards won of 44 shared

R1 0528 or Nemotron 3 Ultra: which to pick

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; R1 0528 has none, so the two cannot be ranked on coding.

Pick R1 0528 for output tokens 1.1x cheaper ($2.18 vs $2.40 per million) and work measured by Design Arena: websites or Design Arena: data viz, where it leads.

Model AR1 0528DeepSeekNot benchmarkedNo coding benchmarkNo cost per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
44
R1 0528 only
19
Nemotron 3 Ultra only
27
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
R1 0528 not benchmarked, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Agentic work, 46.8 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: R1 0528 36.5% against Nemotron 3 Ultra 83.3%, 46.8 points apart on a 0 to 100 scale.
Output price
R1 0528 $2.18 against Nemotron 3 Ultra $2.40 per million output tokens, 1.1x apart.
Context window
R1 0528 takes 164K tokens, Nemotron 3 Ultra 262K.

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
CategoryR1 0528BarsNemotron 3 UltraTies
Coding04
Intelligence01
Agentic work01
Reasoning06
Math03
Knowledge04
Web design25
General414
All shared boards638
CodingLike-for-likeSix of these boards feed the Vibe Coding Index04
Coding benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
Aider polyglot71.4%Not measuredOnly R1 0528 measured
AA Coding IndexNot measured49.3Only Nemotron 3 Ultra measured
LiveCodeBench (Vals AI)Not measured86.0%Only Nemotron 3 Ultra measured
SWE-bench Verified (Vals AI)Not measured69.0%Only Nemotron 3 Ultra measured
Vibe Code Bench (Vals AI)Not measured7.6%Only Nemotron 3 Ultra measured
Code migration (Vals AI)Not measured4.9%Only Nemotron 3 Ultra measured
ProgramBench (Vals AI)Not measured0.0%Only Nemotron 3 Ultra measured
Terminal-Bench 2.1 (Vals AI)Not measured50.9%Only Nemotron 3 Ultra measured
LiveCodeBench (Artificial Analysis run)77.0%Not measuredOnly R1 0528 measured
SciCodeNot measured40.3%Only Nemotron 3 Ultra measured
Terminal-Bench Hard (Artificial Analysis run)15.9%36.4%Nemotron 3 Ultra
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdML41.6%43.5%Nemotron 3 Ultra
ALE-Bench804.1Not measuredOnly R1 0528 measured
LMArena Text: coding14271467Nemotron 3 Ultra
LMArena Text: software and IT14351468Nemotron 3 Ultra
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
AA Intelligence Index13.122.9Nemotron 3 Ultra
Epoch Capabilities IndexNot measured146.0Only Nemotron 3 Ultra measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
AA Agentic IndexNot measured20.1Only Nemotron 3 Ultra measured
Finance Agent (Vals AI)Not measured37.7%Only Nemotron 3 Ultra measured
Legal Research Bench (Vals AI)Not measured15.4%Only Nemotron 3 Ultra measured
Excel Modeling Benchmark (Vals AI)Not measured31.7%Only Nemotron 3 Ultra measured
τ²-Bench Telecom36.5%83.3%Nemotron 3 Ultra
APEX-AgentsNot measured22.7%Only Nemotron 3 Ultra measured
METR time horizons53.8%Not measuredOnly R1 0528 measured
DeepResearch Bench35.1%Not measuredOnly R1 0528 measured
BrowseComp-Plus16.4%Not measuredOnly R1 0528 measured
MCP AtlasNot measured63.1%Only Nemotron 3 Ultra measured
Neither model has a result on the other 32 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
Reasoning benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
GPQA DiamondNot measured86.1%Only Nemotron 3 Ultra measured
GPQA Diamond (Artificial Analysis run)81.3%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)15.8%28.4%Nemotron 3 Ultra
GPQA Diamond (Epoch AI run)76.3%85.4%Nemotron 3 Ultra
ARC-AGI21.2%Not measuredOnly R1 0528 measured
ARC-AGI-21.1%Not measuredOnly R1 0528 measured
SimpleBench40.8%Not measuredOnly R1 0528 measured
Mystery game puzzlesNot measured20.0%Only Nemotron 3 Ultra measured
LMArena Text: hard prompts14151452Nemotron 3 Ultra
LMArena Text: expert13931472Nemotron 3 Ultra
LMArena Text: hard prompts in English14221453Nemotron 3 Ultra
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
AA Math Index76.0Not measuredOnly R1 0528 measured
AIME 2025 (Artificial Analysis run)76.0%Not measuredOnly R1 0528 measured
OTIS Mock AIME66.4%86.7%Nemotron 3 Ultra
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
MATH level 596.6%Not measuredOnly R1 0528 measured
LMArena Text: math14001457Nemotron 3 Ultra
LMArena Text: mathematical work14151462Nemotron 3 Ultra
MathArena12.9%Not measuredOnly R1 0528 measured
Neither model has a result on the other 6 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
MMLU ProNot measured85.8%Only Nemotron 3 Ultra measured
LegalBench (Vals AI)Not measured82.1%Only Nemotron 3 Ultra measured
CorpFin (Vals AI)Not measured65.5%Only Nemotron 3 Ultra measured
TaxEval (Vals AI)Not measured73.1%Only Nemotron 3 Ultra measured
MedCode (Vals AI)Not measured38.6%Only Nemotron 3 Ultra measured
MMLU Pro (Artificial Analysis run)84.9%Not measuredOnly R1 0528 measured
LMArena Text: science14301465Nemotron 3 Ultra
LMArena Text: medicine and healthcare14451455Nemotron 3 Ultra
LMArena Text: legal and government14191453Nemotron 3 Ultra
LMArena Text: business and finance14011435Nemotron 3 Ultra
PRBench Finance32.7%Not measuredOnly R1 0528 measured
PRBench Legal36.6%Not measuredOnly R1 0528 measured
Neither model has a result on the other 8 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index25
Web design benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
Design Arena: websites11491145R1 0528
Design Arena: UI components11001135Nemotron 3 Ultra
Design Arena: game dev10971138Nemotron 3 Ultra
Design Arena: data viz11831142R1 0528
Design Arena: 3D11121132Nemotron 3 Ultra
Design Arena: all code categories11381146Nemotron 3 Ultra
Design Arena: SVG10381069Nemotron 3 Ultra
Design Arena: ASCII artNot measured1100Only 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 index414
General benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
IFBench39.6%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)55.7%79.3%Nemotron 3 Ultra
DTBenchNot measured90.1%Only Nemotron 3 Ultra measured
LMCANot measured36.9%Only Nemotron 3 Ultra measured
Fiction.LiveBench75.0%Not measuredOnly R1 0528 measured
Creative writing (Lech Mazur)81.9%Not measuredOnly R1 0528 measured
LMArena Text14281445Nemotron 3 Ultra
LMArena Text: instruction following13811418Nemotron 3 Ultra
LMArena Text: creative writing14051398R1 0528
LMArena Text: English14371454Nemotron 3 Ultra
LMArena Text: non-English14121427Nemotron 3 Ultra
LMArena Text: Chinese14421498Nemotron 3 Ultra
LMArena Text: German14041474Nemotron 3 Ultra
LMArena Text: Japanese1391Not measuredOnly R1 0528 measured
LMArena Text: Korean13591385Nemotron 3 Ultra
LMArena Text: French14171473Nemotron 3 Ultra
LMArena Text: Spanish14111454Nemotron 3 Ultra
LMArena Text: Russian14231417R1 0528
LMArena Text: Polish14281385R1 0528
LMArena Text: multi-turn14041411Nemotron 3 Ultra
LMArena Text: longer queries13911437Nemotron 3 Ultra
LMArena Text: writing and language14011405Nemotron 3 Ultra
LMArena Text: entertainment and media14001397R1 0528
Neither model has a result on the other 25 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for R1 0528 and Nemotron 3 Ultra
BenchmarkR1 0528Nemotron 3 UltraLeader
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

R1 0528$0.0016Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

R1 0528 costs less

Repository review

50K input + 3K output tokens

R1 0528$0.032Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

R1 0528 costs less

Agent loop

200K input + 10K output tokens

R1 0528$0.122Exceeds the context window
Nemotron 3 Ultra$0.144Fits in one request

R1 0528 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 R1 0528 and Nemotron 3 Ultra
SpecificationDeepSeek R1 0528NVIDIA Nemotron 3 Ultra
MakerDeepSeekNVIDIA
WeightsOpen weightsOpen weights
ReleasedMay 28, 2025June 4, 2026
Context window164K262K
Input $/Mtok$0.50$0.60
Output $/Mtok$2.18$2.40
Coding indexNot benchmarked30.0
Independent measurements behind it03
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is R1 0528 better than Nemotron 3 Ultra for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; R1 0528 has none, so the two cannot be ranked on coding. Pick R1 0528 for output tokens 1.1x cheaper ($2.18 vs $2.40 per million) and work measured by Design Arena: websites or Design Arena: data viz, where it leads.

Which is cheaper, R1 0528 or Nemotron 3 Ultra?

R1 0528 costs $0.50 per million input tokens and $2.18 per million output tokens; Nemotron 3 Ultra costs $0.60 and $2.40. Cost per solved task is known for neither of them.

Which has the bigger context window, R1 0528 or Nemotron 3 Ultra?

Nemotron 3 Ultra, with 262K tokens against 164K.

How many benchmarks is the R1 0528 vs Nemotron 3 Ultra comparison based on?

44 benchmarks have a result for both models as of October 23, 2026. R1 0528's coding index rests on 0 independent benchmarks and Nemotron 3 Ultra's on 3. Where only one model has a result, the page says so instead of naming a winner.

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