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Mistral Small 3 vs Nemotron 3 Ultra

Nemotron 3 Ultra leads Mistral Small 3 on the Artificial Analysis Intelligence Index, 22.9 to 6.7, and Mistral Small 3 costs 30.0x less per output token ($0.08 vs $2.40 per million). Updated October 23, 2026; 31 benchmarks have a result for both.

Replace Mistral Small 3 Replace Nemotron 3 Ultra
Mistral Small 3Mistral AI
Coding
No data
Overall
No data
Output $/M
$0.08
0
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
31
vs boards won of 31 shared

Mistral Small 3 or Nemotron 3 Ultra: which to pick

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

Pick Mistral Small 3 for output tokens 30.0x cheaper ($0.08 vs $2.40 per million).

Model AMistral Small 3Mistral AINot benchmarkedNo coding benchmarkNo cost per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
31
Mistral Small 3 only
5
Nemotron 3 Ultra only
40
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
Mistral Small 3 not benchmarked, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Agentic work, 63.7 points apart on average over 1 shared benchmark.
Widest single gap
Long context reasoning (AA-LCR): Mistral Small 3 0.0% against Nemotron 3 Ultra 79.3%, 79.3 points apart on a 0 to 100 scale.
Output price
Mistral Small 3 $0.08 against Nemotron 3 Ultra $2.40 per million output tokens, 30.0x apart.
Context window
Mistral Small 3 takes 33K 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
CategoryMistral Small 3BarsNemotron 3 UltraTies
Coding02
Intelligence01
Agentic work01
Reasoning05
Math02
Knowledge04
General016
All shared boards031
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
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)25.2%Not measuredOnly Mistral Small 3 measured
SciCodeNot measured40.3%Only Nemotron 3 Ultra measured
Terminal-Bench Hard (Artificial Analysis run)Not measured36.4%Only Nemotron 3 Ultra measured
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdMLNot measured43.5%Only Nemotron 3 Ultra measured
LMArena Text: coding12461467Nemotron 3 Ultra
LMArena Text: software and IT12481468Nemotron 3 Ultra
Neither model has a result on the other 29 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
AA Intelligence Index6.722.9Nemotron 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 Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 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 Telecom19.6%83.3%Nemotron 3 Ultra
APEX-AgentsNot measured22.7%Only Nemotron 3 Ultra measured
MCP AtlasNot measured63.1%Only 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 index05
Reasoning benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
GPQA DiamondNot measured86.1%Only Nemotron 3 Ultra measured
GPQA Diamond (Artificial Analysis run)46.2%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)3.8%28.4%Nemotron 3 Ultra
GPQA Diamond (Epoch AI run)Not measured85.4%Only Nemotron 3 Ultra measured
Mystery game puzzlesNot measured20.0%Only Nemotron 3 Ultra measured
LMArena Text: hard prompts12331452Nemotron 3 Ultra
LMArena Text: expert12021472Nemotron 3 Ultra
LMArena Text: hard prompts in English12431453Nemotron 3 Ultra
Neither model has a result on the other 15 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
AA Math Index4.3Not measuredOnly Mistral Small 3 measured
AIME 2025 (Artificial Analysis run)4.3%Not measuredOnly Mistral Small 3 measured
OTIS Mock AIMENot measured86.7%Only Nemotron 3 Ultra measured
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
LMArena Text: math12401457Nemotron 3 Ultra
LMArena Text: mathematical work12431462Nemotron 3 Ultra
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 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)65.2%Not measuredOnly Mistral Small 3 measured
LMArena Text: science12351465Nemotron 3 Ultra
LMArena Text: medicine and healthcare12151455Nemotron 3 Ultra
LMArena Text: legal and government12191453Nemotron 3 Ultra
LMArena Text: business and finance12051435Nemotron 3 Ultra
Neither model has a result on the other 10 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
Design Arena: websitesNot measured1145Only Nemotron 3 Ultra measured
Design Arena: UI componentsNot measured1135Only Nemotron 3 Ultra measured
Design Arena: game devNot measured1138Only Nemotron 3 Ultra measured
Design Arena: data vizNot measured1142Only Nemotron 3 Ultra measured
Design Arena: 3DNot measured1132Only Nemotron 3 Ultra measured
Design Arena: all code categoriesNot measured1146Only Nemotron 3 Ultra measured
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 Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 3 UltraLeader
IFBench26.4%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)0.0%79.3%Nemotron 3 Ultra
DTBenchNot measured90.1%Only Nemotron 3 Ultra measured
LMCANot measured36.9%Only Nemotron 3 Ultra measured
LMArena Text12341445Nemotron 3 Ultra
LMArena Text: instruction following12141418Nemotron 3 Ultra
LMArena Text: creative writing11941398Nemotron 3 Ultra
LMArena Text: English12561454Nemotron 3 Ultra
LMArena Text: non-English11981427Nemotron 3 Ultra
LMArena Text: Chinese12041498Nemotron 3 Ultra
LMArena Text: German12111474Nemotron 3 Ultra
LMArena Text: Japanese1111Not measuredOnly Mistral Small 3 measured
LMArena Text: Korean11881385Nemotron 3 Ultra
LMArena Text: French12031473Nemotron 3 Ultra
LMArena Text: SpanishNot measured1454Only Nemotron 3 Ultra measured
LMArena Text: Russian12161417Nemotron 3 Ultra
LMArena Text: PolishNot measured1385Only Nemotron 3 Ultra measured
LMArena Text: multi-turn12171411Nemotron 3 Ultra
LMArena Text: longer queries12461437Nemotron 3 Ultra
LMArena Text: writing and language12141405Nemotron 3 Ultra
LMArena Text: entertainment and media11841397Nemotron 3 Ultra
Neither model has a result on the other 27 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Mistral Small 3 and Nemotron 3 Ultra
BenchmarkMistral Small 3Nemotron 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

Mistral Small 3$0.0001Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

Mistral Small 3 costs less

Repository review

50K input + 3K output tokens

Mistral Small 3$0.0027Exceeds the context window
Nemotron 3 Ultra$0.037Fits in one request

Mistral Small 3 costs less

Agent loop

200K input + 10K output tokens

Mistral Small 3$0.011Exceeds the context window
Nemotron 3 Ultra$0.144Fits in one request

Mistral Small 3 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 Mistral Small 3 and Nemotron 3 Ultra
SpecificationMistral Small 3NVIDIA Nemotron 3 Ultra
MakerMistral AINVIDIA
WeightsOpen weightsOpen weights
ReleasedJanuary 30, 2025June 4, 2026
Context window33K262K
Input $/Mtok$0.05$0.60
Output $/Mtok$0.08$2.40
Coding indexNot benchmarked30.0
Independent measurements behind it03
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Mistral Small 3 better than Nemotron 3 Ultra for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Mistral Small 3 has none, so the two cannot be ranked on coding. Pick Mistral Small 3 for output tokens 30.0x cheaper ($0.08 vs $2.40 per million).

Which is cheaper, Mistral Small 3 or Nemotron 3 Ultra?

Mistral Small 3 costs $0.05 per million input tokens and $0.08 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, Mistral Small 3 or Nemotron 3 Ultra?

Nemotron 3 Ultra, with 262K tokens against 33K.

How many benchmarks is the Mistral Small 3 vs Nemotron 3 Ultra comparison based on?

31 benchmarks have a result for both models as of October 23, 2026. Mistral Small 3'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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