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Mistral Small 3.1 24B vs Nemotron 3 Ultra

Mistral Small 3.1 24B costs 4.3x less per output token than Nemotron 3 Ultra ($0.555 vs $2.40 per million). Updated October 23, 2026; 27 benchmarks have a result for both.

Replace Mistral Small 3.1 24B Replace Nemotron 3 Ultra
Mistral Small 3.1 24BMistral AI
Coding
No data
Overall
No data
Output $/M
$0.555
0
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
27
vs boards won of 27 shared

Mistral Small 3.1 24B or Nemotron 3 Ultra: which to pick

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Mistral Small 3.1 24B has none, so the two cannot be ranked on coding.

Pick Mistral Small 3.1 24B for output tokens 4.3x cheaper ($0.555 vs $2.40 per million).

Model AMistral Small 3.1 24BMistral AINot benchmarkedNo coding benchmarkNo cost per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
27
Mistral Small 3.1 24B only
11
Nemotron 3 Ultra only
44
Like-for-like categories
5 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 3.1 24B not benchmarked, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Math, 32.2 points apart on average over 2 shared benchmarks.
Widest single gap
LMArena Text: Chinese: Mistral Small 3.1 24B 1253 against Nemotron 3 Ultra 1498, 40.8 points apart on a 0 to 100 scale.
Output price
Mistral Small 3.1 24B $0.555 against Nemotron 3 Ultra $2.40 per million output tokens, 4.3x apart.
Context window
Mistral Small 3.1 24B takes 128K 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 3.1 24BBarsNemotron 3 UltraTies
Coding02
Reasoning03
Math02
Knowledge04
General016
All shared boards027
CodingLike-for-likeSix of these boards feed the Vibe Coding Index02
Coding benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 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
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: coding13091467Nemotron 3 Ultra
LMArena Text: software and IT13011468Nemotron 3 Ultra
Neither model has a result on the other 30 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Intelligence benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 3 UltraLeader
AA Intelligence IndexNot measured22.9Only Nemotron 3 Ultra measured
Epoch Capabilities IndexNot measured146.0Only Nemotron 3 Ultra measured
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index7 boards, none shared
Agentic work benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 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 TelecomNot measured83.3%Only Nemotron 3 Ultra measured
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 index03
Reasoning benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 3 UltraLeader
GPQA DiamondNot measured86.1%Only Nemotron 3 Ultra measured
GPQA Diamond (Artificial Analysis run)Not measured86.7%Only Nemotron 3 Ultra measured
Humanity's Last Exam (Artificial Analysis run)Not measured28.4%Only Nemotron 3 Ultra measured
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 prompts12781452Nemotron 3 Ultra
LMArena Text: expert12571472Nemotron 3 Ultra
LMArena Text: hard prompts in English12901453Nemotron 3 Ultra
LMArena Vision: diagrams1119Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: homework1158Not measuredOnly Mistral Small 3.1 24B measured
Neither model has a result on the other 13 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 3 UltraLeader
OTIS Mock AIMENot measured86.7%Only Nemotron 3 Ultra measured
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
LMArena Text: math12611457Nemotron 3 Ultra
LMArena Text: mathematical work12711462Nemotron 3 Ultra
Neither model has a result on the other 10 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index04
Knowledge benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 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
LMArena Text: science12651465Nemotron 3 Ultra
LMArena Text: medicine and healthcare12671455Nemotron 3 Ultra
LMArena Text: legal and government12701453Nemotron 3 Ultra
LMArena Text: business and finance12571435Nemotron 3 Ultra
Neither model has a result on the other 11 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 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 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 3 UltraLeader
IFBenchNot measured81.4%Only Nemotron 3 Ultra measured
Long context reasoning (AA-LCR)Not measured79.3%Only Nemotron 3 Ultra measured
DTBenchNot measured90.1%Only Nemotron 3 Ultra measured
LMCANot measured36.9%Only Nemotron 3 Ultra measured
LMArena Text12771445Nemotron 3 Ultra
LMArena Text: instruction following12631418Nemotron 3 Ultra
LMArena Text: creative writing12521398Nemotron 3 Ultra
LMArena Vision1136Not measuredOnly Mistral Small 3.1 24B measured
LMArena Text: English12951454Nemotron 3 Ultra
LMArena Text: non-English12551427Nemotron 3 Ultra
LMArena Text: Chinese12531498Nemotron 3 Ultra
LMArena Text: German12661474Nemotron 3 Ultra
LMArena Text: Japanese1208Not measuredOnly Mistral Small 3.1 24B measured
LMArena Text: Korean12061385Nemotron 3 Ultra
LMArena Text: French12731473Nemotron 3 Ultra
LMArena Text: Spanish12831454Nemotron 3 Ultra
LMArena Text: Russian12631417Nemotron 3 Ultra
LMArena Text: Polish12421385Nemotron 3 Ultra
LMArena Text: multi-turn12701411Nemotron 3 Ultra
LMArena Text: longer queries12981437Nemotron 3 Ultra
LMArena Text: writing and language12691405Nemotron 3 Ultra
LMArena Text: entertainment and media12501397Nemotron 3 Ultra
LMArena Vision: English1157Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: Chinese1155Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: reading text1132Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: humor1142Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: captioning1153Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: recognizing things1155Not measuredOnly Mistral Small 3.1 24B measured
LMArena Vision: creative writing1123Not measuredOnly Mistral Small 3.1 24B 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 Mistral Small 3.1 24B and Nemotron 3 Ultra
BenchmarkMistral Small 3.1 24BNemotron 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 3.1 24B$0.0006Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

Mistral Small 3.1 24B costs less

Repository review

50K input + 3K output tokens

Mistral Small 3.1 24B$0.019Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

Mistral Small 3.1 24B costs less

Agent loop

200K input + 10K output tokens

Mistral Small 3.1 24B$0.076Exceeds the context window
Nemotron 3 Ultra$0.144Fits in one request

Mistral Small 3.1 24B 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 3.1 24B and Nemotron 3 Ultra
SpecificationMistral Small 3.1 24BNVIDIA Nemotron 3 Ultra
MakerMistral AINVIDIA
WeightsOpen weightsOpen weights
ReleasedMarch 17, 2025June 4, 2026
Context window128K262K
Input $/Mtok$0.351$0.60
Output $/Mtok$0.555$2.40
Coding indexNot benchmarked30.0
Independent measurements behind it03
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Mistral Small 3.1 24B better than Nemotron 3 Ultra for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; Mistral Small 3.1 24B has none, so the two cannot be ranked on coding. Pick Mistral Small 3.1 24B for output tokens 4.3x cheaper ($0.555 vs $2.40 per million).

Which is cheaper, Mistral Small 3.1 24B or Nemotron 3 Ultra?

Mistral Small 3.1 24B costs $0.351 per million input tokens and $0.555 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 3.1 24B or Nemotron 3 Ultra?

Nemotron 3 Ultra, with 262K tokens against 128K.

How many benchmarks is the Mistral Small 3.1 24B vs Nemotron 3 Ultra comparison based on?

27 benchmarks have a result for both models as of October 23, 2026. Mistral Small 3.1 24B'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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