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Mistral Medium 3.5 vs Nemotron 3 Ultra

Nemotron 3 Ultra leads Mistral Medium 3.5 on coding, 30.0 to 25.5 on the Vibe Coding Index, and Nemotron 3 Ultra costs 3.1x less per output token ($2.40 vs $7.50 per million). Updated October 23, 2026; 61 benchmarks have a result for both.

Replace Mistral Medium 3.5 Replace Nemotron 3 Ultra
Mistral Medium 3.5Mistral AI
Coding
25.5
Overall
37.3
Output $/M
$7.50
5
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
56
vs boards won of 61 shared

Mistral Medium 3.5 or Nemotron 3 Ultra: which to pick

Pick Nemotron 3 Ultra for coding: it scores 30.0 on the Vibe Coding Index against 25.5 for Mistral Medium 3.5.

Pick Mistral Medium 3.5 for work measured by Code migration (Vals AI) or τ²-Bench Telecom, where it leads.

Model AMistral Medium 3.5Mistral AI25.5/1003 independent benchmarks$6.02 per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
61
Mistral Medium 3.5 only
21
Nemotron 3 Ultra only
10
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
Mistral Medium 3.5 25.5 from 3 benchmarks, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Reasoning, 14.7 points apart on average over 6 shared benchmarks.
Widest single gap
GPQA Diamond: Mistral Medium 3.5 34.9% against Nemotron 3 Ultra 86.1%, 51.3 points apart on a 0 to 100 scale.
Output price
Mistral Medium 3.5 $7.50 against Nemotron 3 Ultra $2.40 per million output tokens, 3.1x apart.
Context window
Both take 262K tokens.

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 Medium 3.5BarsNemotron 3 UltraTies
Coding18
Intelligence02
Agentic work14
Reasoning06
Math12
Knowledge08
Web design08
General218
All shared boards556
CodingLike-for-likeSix of these boards feed the Vibe Coding Index18
Coding benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
LMArena WebDev1264Not measuredOnly Mistral Medium 3.5 measured
AA Coding Index46.949.3Nemotron 3 Ultra
LiveCodeBench (Vals AI)Not measured86.0%Only Nemotron 3 Ultra measured
SWE-bench Verified (Vals AI)66.4%69.0%Nemotron 3 Ultra
Vibe Code Bench (Vals AI)2.9%7.6%Nemotron 3 Ultra
Code migration (Vals AI)5.1%4.9%Mistral Medium 3.5
ProgramBench (Vals AI)Not measured0.0%Only Nemotron 3 Ultra measured
Terminal-Bench 2.1 (Vals AI)39.0%50.9%Nemotron 3 Ultra
SciCode40.2%40.3%Nemotron 3 Ultra
Terminal-Bench Hard (Artificial Analysis run)33.3%36.4%Nemotron 3 Ultra
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdMLNot measured43.5%Only Nemotron 3 Ultra measured
ALE-Bench764.0Not measuredOnly Mistral Medium 3.5 measured
LMArena Text: coding14611467Nemotron 3 Ultra
LMArena Text: software and IT14581468Nemotron 3 Ultra
LMArena WebDev: React1254Not measuredOnly Mistral Medium 3.5 measured
LMArena WebDev: HTML1309Not measuredOnly Mistral Medium 3.5 measured
Neither model has a result on the other 26 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index02
Intelligence benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
AA Intelligence Index14.222.9Nemotron 3 Ultra
Epoch Capabilities Index141.4146.0Nemotron 3 Ultra
Agentic workLike-for-likePublic boards, shown as published, kept out of the index14
Agentic work benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
AA Agentic Index7.020.1Nemotron 3 Ultra
Finance Agent (Vals AI)32.1%37.7%Nemotron 3 Ultra
Tax Agent Bench (Vals AI)4.5%Not measuredOnly Mistral Medium 3.5 measured
Legal Research Bench (Vals AI)9.1%15.4%Nemotron 3 Ultra
Excel Modeling Benchmark (Vals AI)11.2%31.7%Nemotron 3 Ultra
τ²-Bench Telecom94.2%83.3%Mistral Medium 3.5
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 34 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index06
Reasoning benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
GPQA Diamond34.9%86.1%Nemotron 3 Ultra
GPQA Diamond (Artificial Analysis run)74.8%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)13.8%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 prompts14361452Nemotron 3 Ultra
LMArena Text: expert14321472Nemotron 3 Ultra
LMArena Text: hard prompts in English14451453Nemotron 3 Ultra
LMArena Vision: diagrams1254Not measuredOnly Mistral Medium 3.5 measured
LMArena Vision: homework1230Not measuredOnly Mistral Medium 3.5 measured
Kagi LLM Benchmark41.4%Not measuredOnly Mistral Medium 3.5 measured
Neither model has a result on the other 12 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index12
Math benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
OTIS Mock AIMENot measured86.7%Only Nemotron 3 Ultra measured
ProofBench9.0%2.0%Mistral Medium 3.5
LMArena Text: math14321457Nemotron 3 Ultra
LMArena Text: mathematical work14411462Nemotron 3 Ultra
Neither model has a result on the other 10 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index08
Knowledge benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
MMLU Pro75.3%85.8%Nemotron 3 Ultra
LegalBench (Vals AI)Not measured82.1%Only Nemotron 3 Ultra measured
CaseLaw (Vals AI)44.2%Not measuredOnly Mistral Medium 3.5 measured
CorpFin (Vals AI)58.8%65.5%Nemotron 3 Ultra
TaxEval (Vals AI)68.0%73.1%Nemotron 3 Ultra
MortgageTax (Vals AI)28.9%Not measuredOnly Mistral Medium 3.5 measured
MedCode (Vals AI)33.8%38.6%Nemotron 3 Ultra
LMArena Text: science14281465Nemotron 3 Ultra
LMArena Text: medicine and healthcare14091455Nemotron 3 Ultra
LMArena Text: legal and government14371453Nemotron 3 Ultra
LMArena Text: business and finance14261435Nemotron 3 Ultra
Neither model has a result on the other 9 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index08
Web design benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
Design Arena: websites11421145Nemotron 3 Ultra
Design Arena: UI components10761135Nemotron 3 Ultra
Design Arena: game dev10791138Nemotron 3 Ultra
Design Arena: data viz11211142Nemotron 3 Ultra
Design Arena: 3D10611132Nemotron 3 Ultra
Design Arena: all code categories11211146Nemotron 3 Ultra
Design Arena: SVG9491069Nemotron 3 Ultra
Design Arena: ASCII art10621100Nemotron 3 Ultra
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index218
General benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 3 UltraLeader
SAGE (Vals AI)37.6%Not measuredOnly Mistral Medium 3.5 measured
MedScribe (Vals AI)67.7%Not measuredOnly Mistral Medium 3.5 measured
Vals Multimodal Index34.8%Not measuredOnly Mistral Medium 3.5 measured
IFBench68.8%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)69.3%79.3%Nemotron 3 Ultra
DTBench75.5%90.1%Nemotron 3 Ultra
LMCA26.1%36.9%Nemotron 3 Ultra
Surface Evolver Bench26.9%Not measuredOnly Mistral Medium 3.5 measured
LMArena Text14211445Nemotron 3 Ultra
LMArena Text: instruction following14151418Nemotron 3 Ultra
LMArena Text: creative writing13741398Nemotron 3 Ultra
LMArena Vision1222Not measuredOnly Mistral Medium 3.5 measured
LMArena Text: English14331454Nemotron 3 Ultra
LMArena Text: non-English14051427Nemotron 3 Ultra
LMArena Text: Chinese14441498Nemotron 3 Ultra
LMArena Text: German14551474Nemotron 3 Ultra
LMArena Text: Korean13841385Nemotron 3 Ultra
LMArena Text: French14481473Nemotron 3 Ultra
LMArena Text: Spanish14111454Nemotron 3 Ultra
LMArena Text: Russian13961417Nemotron 3 Ultra
LMArena Text: Polish14301385Mistral Medium 3.5
LMArena Text: multi-turn14231411Mistral Medium 3.5
LMArena Text: longer queries14151437Nemotron 3 Ultra
LMArena Text: writing and language13841405Nemotron 3 Ultra
LMArena Text: entertainment and media13821397Nemotron 3 Ultra
LMArena Vision: English1240Not measuredOnly Mistral Medium 3.5 measured
LMArena Vision: Chinese1244Not measuredOnly Mistral Medium 3.5 measured
LMArena Vision: reading text1233Not measuredOnly Mistral Medium 3.5 measured
LMArena Vision: humor1216Not measuredOnly Mistral Medium 3.5 measured
LMArena Vision: creative writing1198Not measuredOnly Mistral Medium 3.5 measured
EQ-Bench 4993Not measuredOnly Mistral Medium 3.5 measured
Neither model has a result on the other 17 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Mistral Medium 3.5 and Nemotron 3 Ultra
BenchmarkMistral Medium 3.5Nemotron 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 Medium 3.5$0.0053Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

Nemotron 3 Ultra costs less

Repository review

50K input + 3K output tokens

Mistral Medium 3.5$0.098Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

Nemotron 3 Ultra costs less

Agent loop

200K input + 10K output tokens

Mistral Medium 3.5$0.375Fits in one request
Nemotron 3 Ultra$0.144Fits in one request

Nemotron 3 Ultra 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 Medium 3.5 and Nemotron 3 Ultra
SpecificationMistral Medium 3.5NVIDIA Nemotron 3 Ultra
MakerMistral AINVIDIA
WeightsNo public weights listedOpen weights
ReleasedApril 30, 2026June 4, 2026
Context window262K262K
Input $/Mtok$1.50$0.60
Output $/Mtok$7.50$2.40
Coding index25.530.0
Independent measurements behind it33
Cost per solved task$6.02Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is Mistral Medium 3.5 better than Nemotron 3 Ultra for coding?

Pick Nemotron 3 Ultra for coding: it scores 30.0 on the Vibe Coding Index against 25.5 for Mistral Medium 3.5. Pick Mistral Medium 3.5 for work measured by Code migration (Vals AI) or τ²-Bench Telecom, where it leads.

Which is cheaper, Mistral Medium 3.5 or Nemotron 3 Ultra?

Mistral Medium 3.5 costs $1.50 per million input tokens and $7.50 per million output tokens; Nemotron 3 Ultra costs $0.60 and $2.40. Cost per solved task is known for Mistral Medium 3.5 only.

Which has the bigger context window, Mistral Medium 3.5 or Nemotron 3 Ultra?

Neither: both take 262K tokens.

How many benchmarks is the Mistral Medium 3.5 vs Nemotron 3 Ultra comparison based on?

61 benchmarks have a result for both models as of October 23, 2026. Mistral Medium 3.5's coding index rests on 3 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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<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/mistral-medium-3-5-vs-nvidia-nemotron-3-ultra-550b-a55b">LLMBenchmark.ai, Mistral Medium 3.5 vs Nemotron 3 Ultra</a></p>