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GLM 4.5 vs Nemotron 3 Ultra

Nemotron 3 Ultra leads GLM 4.5 on the Artificial Analysis Intelligence Index, 22.9 to 12.8, at about the same output price ($2.40 vs $2.20 per million). Updated October 22, 2026; 48 benchmarks have a result for both.

Replace GLM 4.5 Replace Nemotron 3 Ultra
GLM 4.5Z.ai
Coding
No data
Overall
No data
Output $/M
$2.20
10
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
38
vs boards won of 48 shared

GLM 4.5 or Nemotron 3 Ultra: which to pick

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; GLM 4.5 has none, so the two cannot be ranked on coding.

Pick GLM 4.5 for output tokens 1.1x cheaper ($2.20 vs $2.40 per million) and work measured by Design Arena: websites or Design Arena: UI components, where it leads.

Model AGLM 4.5Z.aiNot benchmarkedNo coding benchmarkNo cost per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
48
GLM 4.5 only
14
Nemotron 3 Ultra only
23
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
GLM 4.5 not benchmarked, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Agentic work, 40.4 points apart on average over 1 shared benchmark.
Widest single gap
τ²-Bench Telecom: GLM 4.5 43.0% against Nemotron 3 Ultra 83.3%, 40.4 points apart on a 0 to 100 scale.
Output price
GLM 4.5 $2.20 against Nemotron 3 Ultra $2.40 per million output tokens, 1.1x apart.
Context window
GLM 4.5 takes 131K 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
CategoryGLM 4.5BarsNemotron 3 UltraTies
Coding05
Intelligence01
Agentic work01
Reasoning06
Math02
Knowledge08
Web design70
General315
All shared boards1038
CodingLike-for-likeSix of these boards feed the Vibe Coding Index05
Coding benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
SWE-bench Verified64.2%Not measuredOnly GLM 4.5 measured
AA Coding IndexNot measured49.3Only Nemotron 3 Ultra measured
LiveCodeBench (Vals AI)67.5%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)73.8%Not measuredOnly GLM 4.5 measured
SciCodeNot measured40.3%Only Nemotron 3 Ultra measured
Terminal-Bench Hard (Artificial Analysis run)22.0%36.4%Nemotron 3 Ultra
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdML40.6%43.5%Nemotron 3 Ultra
ALE-Bench344.8Not measuredOnly GLM 4.5 measured
LMArena Text: coding14341468Nemotron 3 Ultra
LMArena Text: software and IT14401468Nemotron 3 Ultra
Neither model has a result on the other 27 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index01
Intelligence benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
AA Intelligence Index12.822.9Nemotron 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 GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 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 Telecom43.0%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 index06
Reasoning benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
GPQA Diamond72.2%86.1%Nemotron 3 Ultra
GPQA Diamond (Artificial Analysis run)78.2%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)13.0%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 prompts14291452Nemotron 3 Ultra
LMArena Text: expert14331472Nemotron 3 Ultra
LMArena Text: hard prompts in English14291453Nemotron 3 Ultra
Kagi LLM Benchmark57.9%Not measuredOnly GLM 4.5 measured
Neither model has a result on the other 14 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index02
Math benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
AIME86.7%Not measuredOnly GLM 4.5 measured
MATH 500 (Vals AI)94.0%Not measuredOnly GLM 4.5 measured
MGSM (Vals AI)90.8%Not measuredOnly GLM 4.5 measured
AA Math Index73.7Not measuredOnly GLM 4.5 measured
AIME 2025 (Artificial Analysis run)73.7%Not measuredOnly GLM 4.5 measured
OTIS Mock AIMENot measured86.7%Only Nemotron 3 Ultra measured
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
LMArena Text: math14271457Nemotron 3 Ultra
LMArena Text: mathematical work14301461Nemotron 3 Ultra
MathArena13.2%Not measuredOnly GLM 4.5 measured
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 GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
MMLU Pro81.2%85.8%Nemotron 3 Ultra
LegalBench (Vals AI)75.6%82.1%Nemotron 3 Ultra
CorpFin (Vals AI)61.0%65.5%Nemotron 3 Ultra
TaxEval (Vals AI)72.4%73.1%Nemotron 3 Ultra
MedQA (Vals AI)90.0%Not measuredOnly GLM 4.5 measured
MedCode (Vals AI)Not measured38.6%Only Nemotron 3 Ultra measured
MMLU Pro (Artificial Analysis run)83.5%Not measuredOnly GLM 4.5 measured
LMArena Text: science14441465Nemotron 3 Ultra
LMArena Text: medicine and healthcare14551456Nemotron 3 Ultra
LMArena Text: legal and government14381452Nemotron 3 Ultra
LMArena Text: business and finance14201434Nemotron 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 index70
Web design benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
Design Arena: websites11691145GLM 4.5
Design Arena: UI components11411135GLM 4.5
Design Arena: game dev11441138GLM 4.5
Design Arena: data viz11591141GLM 4.5
Design Arena: 3D11701131GLM 4.5
Design Arena: all code categories11641146GLM 4.5
Design Arena: SVG10951069GLM 4.5
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 index315
General benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 3 UltraLeader
IFBench44.1%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)52.7%79.3%Nemotron 3 Ultra
DTBenchNot measured90.1%Only Nemotron 3 Ultra measured
LMCANot measured36.9%Only Nemotron 3 Ultra measured
Creative writing (Lech Mazur)73.4%Not measuredOnly GLM 4.5 measured
LMArena Text14301445Nemotron 3 Ultra
LMArena Text: instruction following14041418Nemotron 3 Ultra
LMArena Text: creative writing13951399Nemotron 3 Ultra
LMArena Text: English14371455Nemotron 3 Ultra
LMArena Text: non-English14171427Nemotron 3 Ultra
LMArena Text: Chinese14651497Nemotron 3 Ultra
LMArena Text: German14071472Nemotron 3 Ultra
LMArena Text: Japanese1415Not measuredOnly GLM 4.5 measured
LMArena Text: Korean13801384Nemotron 3 Ultra
LMArena Text: French14181472Nemotron 3 Ultra
LMArena Text: Spanish14541455Nemotron 3 Ultra
LMArena Text: Russian14131417Nemotron 3 Ultra
LMArena Text: Polish14221385GLM 4.5
LMArena Text: multi-turn14151411GLM 4.5
LMArena Text: longer queries14121437Nemotron 3 Ultra
LMArena Text: writing and language14031406Nemotron 3 Ultra
LMArena Text: entertainment and media14041397GLM 4.5
Neither model has a result on the other 26 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GLM 4.5 and Nemotron 3 Ultra
BenchmarkGLM 4.5Nemotron 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

GLM 4.5$0.0017Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

GLM 4.5 costs less

Repository review

50K input + 3K output tokens

GLM 4.5$0.037Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

GLM 4.5 costs less

Agent loop

200K input + 10K output tokens

GLM 4.5$0.142Exceeds the context window
Nemotron 3 Ultra$0.144Fits in one request

GLM 4.5 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 GLM 4.5 and Nemotron 3 Ultra
SpecificationZ.ai GLM 4.5NVIDIA Nemotron 3 Ultra
MakerZ.aiNVIDIA
WeightsOpen weightsOpen weights
ReleasedJuly 25, 2025June 4, 2026
Context window131K262K
Input $/Mtok$0.60$0.60
Output $/Mtok$2.20$2.40
Coding indexNot benchmarked30.0
Independent measurements behind it03
Cost per solved taskNot computableNot computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 4.5 better than Nemotron 3 Ultra for coding?

Only Nemotron 3 Ultra has a coding score, 30.0 on the Vibe Coding Index; GLM 4.5 has none, so the two cannot be ranked on coding. Pick GLM 4.5 for output tokens 1.1x cheaper ($2.20 vs $2.40 per million) and work measured by Design Arena: websites or Design Arena: UI components, where it leads.

Which is cheaper, GLM 4.5 or Nemotron 3 Ultra?

GLM 4.5 costs $0.60 per million input tokens and $2.20 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, GLM 4.5 or Nemotron 3 Ultra?

Nemotron 3 Ultra, with 262K tokens against 131K.

How many benchmarks is the GLM 4.5 vs Nemotron 3 Ultra comparison based on?

48 benchmarks have a result for both models as of October 22, 2026. GLM 4.5'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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