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GPT-4.1 Nano vs Nemotron 3 Ultra

Nemotron 3 Ultra leads GPT-4.1 Nano on the Artificial Analysis Intelligence Index, 22.9 to 7.8, and GPT-4.1 Nano costs 6.0x less per output token ($0.40 vs $2.40 per million). Updated October 22, 2026; 49 benchmarks have a result for both.

Replace GPT-4.1 Nano Replace Nemotron 3 Ultra
GPT-4.1 NanoOpenAI
Coding
No data
Overall
24.7
Output $/M
$0.40
0
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
49
vs boards won of 49 shared

GPT-4.1 Nano or Nemotron 3 Ultra: which to pick

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; GPT-4.1 Nano has none, so the two cannot be ranked on coding.

Pick GPT-4.1 Nano for output tokens 6.0x cheaper ($0.40 vs $2.40 per million) and a larger context window (1.05M against 262K tokens).

Model AGPT-4.1 NanoOpenAINot benchmarkedNo coding benchmarkNo cost per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
49
GPT-4.1 Nano only
22
Nemotron 3 Ultra only
22
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
GPT-4.1 Nano not benchmarked, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Agentic work, 66.1 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: GPT-4.1 Nano 17.3% against Nemotron 3 Ultra 83.3%, 66.1 points apart on a 0 to 100 scale.
Output price
GPT-4.1 Nano $0.40 against Nemotron 3 Ultra $2.40 per million output tokens, 6.0x apart.
Context window
GPT-4.1 Nano takes 1.05M 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
CategoryGPT-4.1 NanoBarsNemotron 3 UltraTies
Coding06
Intelligence02
Agentic work01
Reasoning07
Math03
Knowledge08
Web design06
General016
All shared boards049
CodingLike-for-likeSix of these boards feed the Vibe Coding Index06
Coding benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
Aider polyglot8.9%Not measuredOnly GPT-4.1 Nano measured
AA Coding Index11.149.3Nemotron 3 Ultra
LiveCodeBench (Vals AI)42.7%86.0%Nemotron 3 Ultra
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)32.6%Not measuredOnly GPT-4.1 Nano measured
SciCodeNot measured40.3%Only Nemotron 3 Ultra measured
Terminal-Bench Hard (Artificial Analysis run)3.8%36.4%Nemotron 3 Ultra
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdML19.0%43.5%Nemotron 3 Ultra
LMArena Text: coding13061468Nemotron 3 Ultra
LMArena Text: software and IT13051468Nemotron 3 Ultra
Neither model has a result on the other 28 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
AA Intelligence Index7.822.9Nemotron 3 Ultra
Epoch Capabilities Index129.5146.0Nemotron 3 Ultra
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 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 Telecom17.3%83.3%Nemotron 3 Ultra
APEX-AgentsNot measured22.7%Only Nemotron 3 Ultra measured
Berkeley Function Calling Leaderboard (BFCL)33.1%Not measuredOnly GPT-4.1 Nano measured
MCP AtlasNot measured63.1%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 index07
Reasoning benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
GPQA Diamond50.8%86.1%Nemotron 3 Ultra
MMMU Pro (Vals AI)55.0%Not measuredOnly GPT-4.1 Nano measured
GPQA Diamond (Artificial Analysis run)51.2%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)3.8%28.4%Nemotron 3 Ultra
GPQA Diamond (Epoch AI run)48.9%85.4%Nemotron 3 Ultra
ARC-AGI0.0%Not measuredOnly GPT-4.1 Nano measured
ARC-AGI-20.0%Not measuredOnly GPT-4.1 Nano measured
Chess puzzles0.0%Not measuredOnly GPT-4.1 Nano measured
Mystery game puzzlesNot measured20.0%Only Nemotron 3 Ultra measured
LMArena Text: hard prompts12861452Nemotron 3 Ultra
LMArena Text: expert12711472Nemotron 3 Ultra
LMArena Text: hard prompts in English12931453Nemotron 3 Ultra
Kagi LLM Benchmark33.3%Not measuredOnly GPT-4.1 Nano measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
AIME26.5%Not measuredOnly GPT-4.1 Nano measured
MATH 500 (Vals AI)80.2%Not measuredOnly GPT-4.1 Nano measured
MGSM (Vals AI)69.3%Not measuredOnly GPT-4.1 Nano measured
AA Math Index24.0Not measuredOnly GPT-4.1 Nano measured
AIME 2025 (Artificial Analysis run)24.0%Not measuredOnly GPT-4.1 Nano measured
OTIS Mock AIME28.9%86.7%Nemotron 3 Ultra
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
MATH level 570.0%Not measuredOnly GPT-4.1 Nano measured
LMArena Text: math12741457Nemotron 3 Ultra
LMArena Text: mathematical work12741461Nemotron 3 Ultra
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index08
Knowledge benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
MMLU Pro63.5%85.8%Nemotron 3 Ultra
LegalBench (Vals AI)61.1%82.1%Nemotron 3 Ultra
CorpFin (Vals AI)42.1%65.5%Nemotron 3 Ultra
TaxEval (Vals AI)60.8%73.1%Nemotron 3 Ultra
MortgageTax (Vals AI)52.8%Not measuredOnly GPT-4.1 Nano measured
MedQA (Vals AI)68.2%Not measuredOnly GPT-4.1 Nano measured
MedCode (Vals AI)Not measured38.6%Only Nemotron 3 Ultra measured
MMLU Pro (Artificial Analysis run)65.7%Not measuredOnly GPT-4.1 Nano measured
SimpleQA Verified6.0%Not measuredOnly GPT-4.1 Nano measured
LMArena Text: science12971465Nemotron 3 Ultra
LMArena Text: medicine and healthcare12761456Nemotron 3 Ultra
LMArena Text: legal and government13001452Nemotron 3 Ultra
LMArena Text: business and finance12671434Nemotron 3 Ultra
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index06
Web design benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
Design Arena: websites9731145Nemotron 3 Ultra
Design Arena: UI components9131135Nemotron 3 Ultra
Design Arena: game dev9701138Nemotron 3 Ultra
Design Arena: data viz8911141Nemotron 3 Ultra
Design Arena: 3D9241131Nemotron 3 Ultra
Design Arena: all code categories9621146Nemotron 3 Ultra
Design Arena: SVGNot measured1069Only Nemotron 3 Ultra measured
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 index016
General benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 3 UltraLeader
IFBench32.0%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)20.3%79.3%Nemotron 3 Ultra
DTBench52.5%90.1%Nemotron 3 Ultra
LMCA5.5%36.9%Nemotron 3 Ultra
Fiction.LiveBench25.0%Not measuredOnly GPT-4.1 Nano measured
LMArena Text12851445Nemotron 3 Ultra
LMArena Text: instruction following12661418Nemotron 3 Ultra
LMArena Text: creative writing12601399Nemotron 3 Ultra
LMArena Vision1063Not measuredOnly GPT-4.1 Nano measured
LMArena Text: English13031455Nemotron 3 Ultra
LMArena Text: non-English12601427Nemotron 3 Ultra
LMArena Text: Chinese12701497Nemotron 3 Ultra
LMArena Text: German12881472Nemotron 3 Ultra
LMArena Text: Japanese1198Not measuredOnly GPT-4.1 Nano measured
LMArena Text: KoreanNot measured1384Only Nemotron 3 Ultra measured
LMArena Text: FrenchNot measured1472Only Nemotron 3 Ultra measured
LMArena Text: SpanishNot measured1455Only Nemotron 3 Ultra measured
LMArena Text: Russian12611417Nemotron 3 Ultra
LMArena Text: PolishNot measured1385Only Nemotron 3 Ultra measured
LMArena Text: multi-turn12771411Nemotron 3 Ultra
LMArena Text: longer queries12831437Nemotron 3 Ultra
LMArena Text: writing and language12611406Nemotron 3 Ultra
LMArena Text: entertainment and media12431397Nemotron 3 Ultra
LMArena Vision: English1101Not measuredOnly GPT-4.1 Nano measured
Neither model has a result on the other 24 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-4.1 Nano and Nemotron 3 Ultra
BenchmarkGPT-4.1 NanoNemotron 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

GPT-4.1 Nano$0.0003Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

GPT-4.1 Nano costs less

Repository review

50K input + 3K output tokens

GPT-4.1 Nano$0.0062Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

GPT-4.1 Nano costs less

Agent loop

200K input + 10K output tokens

GPT-4.1 Nano$0.024Fits in one request
Nemotron 3 Ultra$0.144Fits in one request

GPT-4.1 Nano 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 GPT-4.1 Nano and Nemotron 3 Ultra
SpecificationOpenAI GPT-4.1 NanoNVIDIA Nemotron 3 Ultra
MakerOpenAINVIDIA
WeightsNo public weights listedOpen weights
ReleasedApril 14, 2025June 4, 2026
Context window1.05M262K
Input $/Mtok$0.10$0.60
Output $/Mtok$0.40$2.40
Coding indexNot benchmarked30.0
Independent measurements behind it03
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-4.1 Nano better than Nemotron 3 Ultra for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; GPT-4.1 Nano has none, so the two cannot be ranked on coding. Pick GPT-4.1 Nano for output tokens 6.0x cheaper ($0.40 vs $2.40 per million) and a larger context window (1.05M against 262K tokens).

Which is cheaper, GPT-4.1 Nano or Nemotron 3 Ultra?

GPT-4.1 Nano costs $0.10 per million input tokens and $0.40 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, GPT-4.1 Nano or Nemotron 3 Ultra?

GPT-4.1 Nano, with 1.05M tokens against 262K.

How many benchmarks is the GPT-4.1 Nano vs Nemotron 3 Ultra comparison based on?

49 benchmarks have a result for both models as of October 22, 2026. GPT-4.1 Nano'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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