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Nemotron 3 Nano 30B A3B vs o4 Mini

o4 Mini leads Nemotron 3 Nano 30B A3B on the Artificial Analysis Intelligence Index, 16.7 to 8.9, and Nemotron 3 Nano 30B A3B costs 20.0x less per output token ($0.22 vs $4.40 per million). Updated October 22, 2026; 39 benchmarks have a result for both.

Replace Nemotron 3 Nano 30B A3B Replace o4 Mini
Nemotron 3 Nano 30B A3BNVIDIA
Coding
No data
Overall
No data
Output $/M
$0.22
13
o4 MiniOpenAI
Coding
No data
Overall
43.0
Output $/M
$4.40
26
vs boards won of 39 shared

Nemotron 3 Nano 30B A3B or o4 Mini: which to pick

Neither model has a coding score yet, so the two cannot be ranked on coding.

Pick Nemotron 3 Nano 30B A3B for output tokens 20.0x cheaper ($0.22 vs $4.40 per million) and a larger context window (262K against 200K tokens).

Model ANemotron 3 Nano 30B A3BNVIDIANot benchmarkedNo coding benchmarkNo cost per solved taskModel Bo4 MiniOpenAINot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
39
Nemotron 3 Nano 30B A3B only
3
o4 Mini only
59
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.

At a glance

Coding index
Nemotron 3 Nano 30B A3B not benchmarked, o4 Mini not benchmarked.
Widest category
Agentic work, 14.6 points apart on average over 1 shared benchmark.
Widest single gap
Long context reasoning (AA-LCR): Nemotron 3 Nano 30B A3B 38.0% against o4 Mini 61.0%, 23.0 points apart on a 0 to 100 scale.
Output price
Nemotron 3 Nano 30B A3B $0.22 against o4 Mini $4.40 per million output tokens, 20.0x apart.
Context window
Nemotron 3 Nano 30B A3B takes 262K tokens, o4 Mini 200K.

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 Nano 30B A3BBarso4 MiniTies
Coding22
Intelligence01
Agentic work01
Reasoning23
Math22
Knowledge14
General613
All shared boards1326
CodingLike-for-likeSix of these boards feed the Vibe Coding Index22
Coding benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
Aider polyglotNot measured72.0%Only o4 Mini measured
SWE-bench VerifiedNot measured64.6%Only o4 Mini measured
SWE-bench MultimodalNot measured33.9%Only o4 Mini measured
AA Coding Index14.4Not measuredOnly Nemotron 3 Nano 30B A3B measured
LiveCodeBench (Vals AI)Not measured82.2%Only o4 Mini measured
LiveCodeBench (Artificial Analysis run)74.1%85.9%o4 Mini
SciCode30.6%Not measuredOnly Nemotron 3 Nano 30B A3B measured
Terminal-Bench Hard (Artificial Analysis run)13.6%15.2%o4 Mini
GSO-BenchNot measured3.6%Only o4 Mini measured
WeirdMLNot measured52.6%Only o4 Mini measured
LMArena Text: coding13781368Nemotron 3 Nano 30B A3B
LMArena Text: software and IT13831367Nemotron 3 Nano 30B A3B
SciCodeNot measured10.8%Only o4 Mini measured
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
AA Intelligence Index8.916.7o4 Mini
Epoch Capabilities IndexNot measured145.5Only o4 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index01
Agentic work benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
AA Agentic Index1.0Not measuredOnly Nemotron 3 Nano 30B A3B measured
τ²-Bench Telecom40.9%55.6%o4 Mini
METR time horizonsNot measured63.9%Only o4 Mini measured
Berkeley Function Calling Leaderboard (BFCL)Not measured53.2%Only o4 Mini measured
Neither model has a result on the other 37 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index23
Reasoning benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
GPQA DiamondNot measured74.5%Only o4 Mini measured
MMMU Pro (Vals AI)Not measured79.7%Only o4 Mini measured
GPQA Diamond (Artificial Analysis run)75.7%78.4%o4 Mini
Humanity's Last Exam (Artificial Analysis run)11.4%16.5%o4 Mini
GPQA Diamond (Epoch AI run)Not measured79.6%Only o4 Mini measured
ARC-AGINot measured58.7%Only o4 Mini measured
ARC-AGI-2Not measured6.1%Only o4 Mini measured
SimpleBenchNot measured38.7%Only o4 Mini measured
Chess puzzlesNot measured22.0%Only o4 Mini measured
Mystery game puzzlesNot measured5.0%Only o4 Mini measured
VPCTNot measured57.5%Only o4 Mini measured
LMArena Text: hard prompts13481351o4 Mini
LMArena Text: expert13551343Nemotron 3 Nano 30B A3B
LMArena Text: hard prompts in English13761366Nemotron 3 Nano 30B A3B
LMArena Vision: diagramsNot measured1197Only o4 Mini measured
LMArena Vision: homeworkNot measured1234Only o4 Mini measured
Kagi LLM BenchmarkNot measured67.6%Only o4 Mini measured
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index22
Math benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
AIMENot measured83.7%Only o4 Mini measured
MATH 500 (Vals AI)Not measured94.2%Only o4 Mini measured
MGSM (Vals AI)Not measured93.4%Only o4 Mini measured
AA Math Index91.090.7Nemotron 3 Nano 30B A3B
AIME 2025 (Artificial Analysis run)91.0%90.7%Nemotron 3 Nano 30B A3B
OTIS Mock AIMENot measured81.7%Only o4 Mini measured
FrontierMath, tiers 1 to 3Not measured36.1%Only o4 Mini measured
FrontierMath, tier 4Not measured4.9%Only o4 Mini measured
MATH level 5Not measured97.8%Only o4 Mini measured
LMArena Text: math13711389o4 Mini
LMArena Text: mathematical work13751379o4 Mini
Neither model has a result on the other 2 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index14
Knowledge benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
MMLU ProNot measured80.6%Only o4 Mini measured
LegalBench (Vals AI)Not measured79.2%Only o4 Mini measured
CorpFin (Vals AI)Not measured59.0%Only o4 Mini measured
TaxEval (Vals AI)Not measured74.8%Only o4 Mini measured
MortgageTax (Vals AI)Not measured64.8%Only o4 Mini measured
MedQA (Vals AI)Not measured96.0%Only o4 Mini measured
MedCode (Vals AI)Not measured33.8%Only o4 Mini measured
MMLU Pro (Artificial Analysis run)79.4%83.2%o4 Mini
SimpleQA VerifiedNot measured19.6%Only o4 Mini measured
GeoBenchNot measured64.0%Only o4 Mini measured
LMArena Text: science13531354o4 Mini
LMArena Text: medicine and healthcare13491361o4 Mini
LMArena Text: legal and government13411350o4 Mini
LMArena Text: business and finance13461325Nemotron 3 Nano 30B A3B
FACTS Benchmark SuiteNot measured28.1%Only o4 Mini measured
Neither model has a result on the other 3 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index6 boards, none shared
Web design benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
Design Arena: websitesNot measured985Only o4 Mini measured
Design Arena: UI componentsNot measured983Only o4 Mini measured
Design Arena: game devNot measured1003Only o4 Mini measured
Design Arena: data vizNot measured991Only o4 Mini measured
Design Arena: 3DNot measured854Only o4 Mini measured
Design Arena: all code categoriesNot measured976Only o4 Mini measured
Neither model has a result on the other 3 boards here
GeneralLike-for-likePublic boards, shown as published, kept out of the index613
General benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
SAGE (Vals AI)Not measured41.1%Only o4 Mini measured
MedScribe (Vals AI)Not measured69.1%Only o4 Mini measured
IFBench71.1%68.7%Nemotron 3 Nano 30B A3B
Long context reasoning (AA-LCR)38.0%61.0%o4 Mini
DTBenchNot measured77.6%Only o4 Mini measured
LMCANot measured26.5%Only o4 Mini measured
Fiction.LiveBenchNot measured77.8%Only o4 Mini measured
Creative writing (Lech Mazur)Not measured75.0%Only o4 Mini measured
LMArena Text13481353o4 Mini
LMArena Text: instruction following13031320o4 Mini
LMArena Text: creative writing12691294o4 Mini
LMArena VisionNot measured1194Only o4 Mini measured
LMArena Text: English13771367Nemotron 3 Nano 30B A3B
LMArena Text: non-English13201337o4 Mini
LMArena Text: Chinese13831354Nemotron 3 Nano 30B A3B
LMArena Text: German13481336Nemotron 3 Nano 30B A3B
LMArena Text: Japanese12681308o4 Mini
LMArena Text: Korean12691312o4 Mini
LMArena Text: French13961364Nemotron 3 Nano 30B A3B
LMArena Text: Spanish13761346Nemotron 3 Nano 30B A3B
LMArena Text: Russian13041334o4 Mini
LMArena Text: Polish13031358o4 Mini
LMArena Text: multi-turn13191350o4 Mini
LMArena Text: longer queries13001315o4 Mini
LMArena Text: writing and language12831316o4 Mini
LMArena Text: entertainment and media12931308o4 Mini
LMArena Vision: EnglishNot measured1200Only o4 Mini measured
LMArena Vision: ChineseNot measured1218Only o4 Mini measured
LMArena Vision: reading textNot measured1197Only o4 Mini measured
LMArena Vision: humorNot measured1199Only o4 Mini measured
LMArena Vision: captioningNot measured1204Only o4 Mini measured
LMArena Vision: recognizing thingsNot measured1218Only o4 Mini measured
LMArena Vision: creative writingNot measured1166Only o4 Mini measured
Neither model has a result on the other 13 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Nemotron 3 Nano 30B A3B and o4 Mini
BenchmarkNemotron 3 Nano 30B A3Bo4 MiniLeader
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 Nano 30B A3B$0.0002Fits in one request
o4 Mini$0.0033Fits in one request

Nemotron 3 Nano 30B A3B costs less

Repository review

50K input + 3K output tokens

Nemotron 3 Nano 30B A3B$0.0034Fits in one request
o4 Mini$0.068Fits in one request

Nemotron 3 Nano 30B A3B costs less

Agent loop

200K input + 10K output tokens

Nemotron 3 Nano 30B A3B$0.013Fits in one request
o4 Mini$0.264Exceeds the context window

Nemotron 3 Nano 30B A3B 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 Nano 30B A3B and o4 Mini
SpecificationNVIDIA Nemotron 3 Nano 30B A3BOpenAI o4 Mini
MakerNVIDIAOpenAI
WeightsOpen weightsNo public weights listed
ReleasedDecember 14, 2025April 16, 2025
Context window262K200K
Input $/Mtok$0.055$1.10
Output $/Mtok$0.22$4.40
Coding indexNot benchmarkedNot benchmarked
Independent measurements behind it00
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Nemotron 3 Nano 30B A3B better than o4 Mini for coding?

Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Nemotron 3 Nano 30B A3B for output tokens 20.0x cheaper ($0.22 vs $4.40 per million) and a larger context window (262K against 200K tokens).

Which is cheaper, Nemotron 3 Nano 30B A3B or o4 Mini?

Nemotron 3 Nano 30B A3B costs $0.055 per million input tokens and $0.22 per million output tokens; o4 Mini costs $1.10 and $4.40. Cost per solved task is known for neither of them.

Which has the bigger context window, Nemotron 3 Nano 30B A3B or o4 Mini?

Nemotron 3 Nano 30B A3B, with 262K tokens against 200K.

How many benchmarks is the Nemotron 3 Nano 30B A3B vs o4 Mini comparison based on?

39 benchmarks have a result for both models as of October 22, 2026. Nemotron 3 Nano 30B A3B's coding index rests on 0 independent benchmarks and o4 Mini's on 0. Where only one model has a result, the page says so instead of naming a winner.

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