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GLM 5 vs Nemotron 3 Ultra

GLM 5 leads Nemotron 3 Ultra on coding, 41.7 to 30.0 on the Vibe Coding Index, and Nemotron 3 Ultra costs 1.3x less per output token ($2.40 vs $3.20 per million). Updated October 22, 2026; 54 benchmarks have a result for both.

Replace GLM 5 Replace Nemotron 3 Ultra
GLM 5Z.ai
Coding
41.7
Overall
54.3
Output $/M
$3.20
33
Nemotron 3 UltraNVIDIA
Coding
30.0
Overall
53.1
Output $/M
$2.40
21
vs boards won of 54 shared

GLM 5 or Nemotron 3 Ultra: which to pick

Pick GLM 5 for coding: it scores 41.7 on the Vibe Coding Index against 30.0 for Nemotron 3 Ultra.

Pick Nemotron 3 Ultra for output tokens 1.3x cheaper ($2.40 vs $3.20 per million) and a larger context window (262K against 205K tokens).

Model AGLM 5Z.ai41.7/1003 independent benchmarks$0.63 per solved taskModel BNemotron 3 UltraNVIDIA30.0/1003 independent benchmarksNo cost per solved task
Shared results
54
GLM 5 only
22
Nemotron 3 Ultra only
16
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 5 41.7 from 3 benchmarks, Nemotron 3 Ultra 30.0 from 3 benchmarks.
Widest category
Agentic work, 14.9 points apart on average over 1 shared benchmark.
Widest single gap
Vibe Code Bench (Vals AI): GLM 5 23.4% against Nemotron 3 Ultra 7.6%, 15.7 points apart on a 0 to 100 scale.
Output price
GLM 5 $3.20 against Nemotron 3 Ultra $2.40 per million output tokens, 1.3x apart.
Context window
GLM 5 takes 205K 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 5BarsNemotron 3 UltraTies
Coding43
Intelligence11
Agentic work10
Reasoning34
Math03
Knowledge35
Web design80
General135
All shared boards3321
CodingLike-for-likeSix of these boards feed the Vibe Coding Index43
Coding benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
SWE-bench Verified72.8%Not measuredOnly GLM 5 measured
SWE-bench Multilingual69.7%Not measuredOnly GLM 5 measured
LMArena WebDev1435Not measuredOnly GLM 5 measured
AA Coding IndexNot measured49.3Only Nemotron 3 Ultra measured
LiveCodeBench (Vals AI)81.9%86.0%Nemotron 3 Ultra
SWE-bench Verified (Vals AI)71.4%69.0%GLM 5
Vibe Code Bench (Vals AI)23.4%7.6%GLM 5
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)43.2%36.4%GLM 5
Terminal-Bench52.4%Not measuredOnly GLM 5 measured
FrontierCodeNot measured13.6%Only Nemotron 3 Ultra measured
WeirdML48.2%43.5%GLM 5
ALE-Bench765.6Not measuredOnly GLM 5 measured
LMArena Text: coding14611468Nemotron 3 Ultra
LMArena Text: software and IT14601468Nemotron 3 Ultra
LMArena WebDev: React1424Not measuredOnly GLM 5 measured
LMArena WebDev: HTML1450Not measuredOnly GLM 5 measured
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index11
Intelligence benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
AA Intelligence Index27.922.9GLM 5
Epoch Capabilities Index145.8146.0Nemotron 3 Ultra
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
AA Agentic IndexNot measured20.1Only Nemotron 3 Ultra measured
Design Arena: agents building full-stack apps1123Not measuredOnly GLM 5 measured
Design Arena: agents building mobile apps1136Not measuredOnly GLM 5 measured
Design Arena: agents building Android apps1147Not measuredOnly GLM 5 measured
Design Arena: agents building Godot games1144Not measuredOnly GLM 5 measured
Design Arena: HTML slides1098Not measuredOnly GLM 5 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 Telecom98.2%83.3%GLM 5
APEX-AgentsNot measured22.7%Only Nemotron 3 Ultra measured
Vending-Bench 2$4,432Not measuredOnly GLM 5 measured
Neither model has a result on the other 29 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index34
Reasoning benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
GPQA Diamond83.3%86.1%Nemotron 3 Ultra
GPQA Diamond (Artificial Analysis run)82.0%86.7%Nemotron 3 Ultra
Humanity's Last Exam (Artificial Analysis run)29.3%28.4%GLM 5
GPQA Diamond (Epoch AI run)87.8%85.4%GLM 5
ARC-AGI44.7%Not measuredOnly GLM 5 measured
ARC-AGI-24.9%Not measuredOnly GLM 5 measured
SimpleBench53.2%Not measuredOnly GLM 5 measured
Mystery game puzzlesNot measured20.0%Only Nemotron 3 Ultra measured
LMArena Text: hard prompts14521452Nemotron 3 Ultra
LMArena Text: expert14541472Nemotron 3 Ultra
LMArena Text: hard prompts in English14601453GLM 5
Kagi LLM Benchmark75.0%Not measuredOnly GLM 5 measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index03
Math benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
AIME91.7%Not measuredOnly GLM 5 measured
OTIS Mock AIME80.0%86.7%Nemotron 3 Ultra
ProofBenchNot measured2.0%Only Nemotron 3 Ultra measured
LMArena Text: math14401457Nemotron 3 Ultra
LMArena Text: mathematical work14511461Nemotron 3 Ultra
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index35
Knowledge benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
MMLU Pro86.0%85.8%GLM 5
LegalBench (Vals AI)84.1%82.1%GLM 5
CaseLaw (Vals AI)52.5%Not measuredOnly GLM 5 measured
CorpFin (Vals AI)62.9%65.5%Nemotron 3 Ultra
TaxEval (Vals AI)70.0%73.1%Nemotron 3 Ultra
MedQA (Vals AI)94.3%Not measuredOnly GLM 5 measured
MedCode (Vals AI)Not measured38.6%Only Nemotron 3 Ultra measured
LMArena Text: science14601465Nemotron 3 Ultra
LMArena Text: medicine and healthcare14551456Nemotron 3 Ultra
LMArena Text: legal and government14531452GLM 5
LMArena Text: business and finance14301434Nemotron 3 Ultra
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index80
Web design benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
Design Arena: websites12471145GLM 5
Design Arena: UI components12281135GLM 5
Design Arena: game dev12341138GLM 5
Design Arena: data viz12281142GLM 5
Design Arena: 3D12281131GLM 5
Design Arena: all code categories12461146GLM 5
Design Arena: SVG11671069GLM 5
Design Arena: ASCII art11471100GLM 5
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index135
General benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 5Nemotron 3 UltraLeader
IFBench72.3%81.4%Nemotron 3 Ultra
Long context reasoning (AA-LCR)75.7%79.3%Nemotron 3 Ultra
DTBenchNot measured90.1%Only Nemotron 3 Ultra measured
LMCANot measured36.9%Only Nemotron 3 Ultra measured
CL-bench18.7%Not measuredOnly GLM 5 measured
LMArena Text14461445GLM 5
LMArena Text: instruction following14281418GLM 5
LMArena Text: creative writing14381399GLM 5
LMArena Text: English14581455GLM 5
LMArena Text: non-English14301427GLM 5
LMArena Text: Chinese15111497GLM 5
LMArena Text: German14471472Nemotron 3 Ultra
LMArena Text: Japanese1416Not measuredOnly GLM 5 measured
LMArena Text: Korean14231384GLM 5
LMArena Text: French14561472Nemotron 3 Ultra
LMArena Text: Spanish14541455Nemotron 3 Ultra
LMArena Text: Russian14361417GLM 5
LMArena Text: Polish14341385GLM 5
LMArena Text: multi-turn14561411GLM 5
LMArena Text: longer queries14461437GLM 5
LMArena Text: writing and language14371406GLM 5
LMArena Text: entertainment and media14261397GLM 5
Neither model has a result on the other 24 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GLM 5 and Nemotron 3 Ultra
BenchmarkGLM 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 5$0.0026Fits in one request
Nemotron 3 Ultra$0.0018Fits in one request

Nemotron 3 Ultra costs less

Repository review

50K input + 3K output tokens

GLM 5$0.060Fits in one request
Nemotron 3 Ultra$0.037Fits in one request

Nemotron 3 Ultra costs less

Agent loop

200K input + 10K output tokens

GLM 5$0.232Exceeds the context window
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 GLM 5 and Nemotron 3 Ultra
SpecificationZ.ai GLM 5NVIDIA Nemotron 3 Ultra
MakerZ.aiNVIDIA
WeightsOpen weightsOpen weights
ReleasedFebruary 11, 2026June 4, 2026
Context window205K262K
Input $/Mtok$1.00$0.60
Output $/Mtok$3.20$2.40
Coding index41.730.0
Independent measurements behind it33
Cost per solved task$0.63Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GLM 5 better than Nemotron 3 Ultra for coding?

Pick GLM 5 for coding: it scores 41.7 on the Vibe Coding Index against 30.0 for Nemotron 3 Ultra. Pick Nemotron 3 Ultra for output tokens 1.3x cheaper ($2.40 vs $3.20 per million) and a larger context window (262K against 205K tokens).

Which is cheaper, GLM 5 or Nemotron 3 Ultra?

GLM 5 costs $1.00 per million input tokens and $3.20 per million output tokens; Nemotron 3 Ultra costs $0.60 and $2.40. Cost per solved task is known for GLM 5 only.

Which has the bigger context window, GLM 5 or Nemotron 3 Ultra?

Nemotron 3 Ultra, with 262K tokens against 205K.

How many benchmarks is the GLM 5 vs Nemotron 3 Ultra comparison based on?

54 benchmarks have a result for both models as of October 22, 2026. GLM 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/glm-5-vs-nvidia-nemotron-3-ultra-550b-a55b">LLMBenchmark.ai, GLM 5 vs Nemotron 3 Ultra</a></p>