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Gemini 4 Carbon vs GLM 5

Gemini 4 Carbon leads GLM 5 on coding, 86.6 to 41.6 on the Vibe Coding Index, and GLM 5 costs 3.1x less per output token ($3.20 vs $10.00 per million). Updated November 14, 2026; 41 benchmarks have a result for both.

Replace Gemini 4 Carbon Replace GLM 5
Gemini 4 CarbonGoogle
Coding
86.6
Overall
88.3
Output $/M
$10.00
41
GLM 5Z.ai
Coding
41.6
Overall
57.9
Output $/M
$3.20
0
vs boards won of 41 shared

Gemini 4 Carbon or GLM 5: which to pick

Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 41.6 for GLM 5.

Pick GLM 5 for output tokens 3.1x cheaper ($3.20 vs $10.00 per million).

Model AGemini 4 CarbonGoogle86.6/1004 independent benchmarksNo cost per solved taskModel BGLM 5Z.ai41.6/1003 independent benchmarks$0.63 per solved task
Shared results
41
Gemini 4 Carbon only
32
GLM 5 only
39
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
Gemini 4 Carbon 86.6 from 4 benchmarks, GLM 5 41.6 from 3 benchmarks.
Widest category
Agentic work, 45.9 points apart on average over 2 shared benchmarks.
Widest single gap
ARC-AGI-2: Gemini 4 Carbon 94.2% against GLM 5 4.9%, 89.3 points apart on a 0 to 100 scale.
Output price
Gemini 4 Carbon $10.00 against GLM 5 $3.20 per million output tokens, 3.1x apart.
Context window
Gemini 4 Carbon takes 1.05M tokens, GLM 5 205K.

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
CategoryGemini 4 CarbonBarsGLM 5Ties
Coding70
Intelligence10
Agentic work20
Reasoning70
Math30
Knowledge40
Web design50
General120
All shared boards410
CodingLike-for-likeSix of these boards feed the Vibe Coding Index70
Coding benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
SWE-bench VerifiedNot measured72.8%Only GLM 5 measured
SWE-bench MultilingualNot measured69.7%Only GLM 5 measured
LiveBench coding91.0%Not measuredOnly Gemini 4 Carbon measured
LMArena WebDev17681435Gemini 4 Carbon
LiveCodeBench (Vals AI)Not measured81.9%Only GLM 5 measured
SWE-bench Verified (Vals AI)Not measured71.4%Only GLM 5 measured
Terminal-Bench 4 (Vals AI)63.1%Not measuredOnly Gemini 4 Carbon measured
Vibe Code Bench (Vals AI)89.1%23.4%Gemini 4 Carbon
Terminal-Bench Hard (Artificial Analysis run)Not measured43.2%Only GLM 5 measured
Terminal-Bench 4.0 (Artificial Analysis run)65.2%Not measuredOnly Gemini 4 Carbon measured
FrontierCode 2.040.6%Not measuredOnly Gemini 4 Carbon measured
Terminal-BenchNot measured52.4%Only GLM 5 measured
FrontierSWE61.2%Not measuredOnly Gemini 4 Carbon measured
WeirdMLNot measured48.2%Only GLM 5 measured
ALE-Bench2374.7765.6Gemini 4 Carbon
LMArena Text: coding15641462Gemini 4 Carbon
LMArena Text: software and IT15521460Gemini 4 Carbon
LMArena WebDev: React17921423Gemini 4 Carbon
LMArena WebDev: HTML17701449Gemini 4 Carbon
SWE Atlas: Codebase QnANot measured20.5%Only GLM 5 measured
SWE Atlas: RefactoringNot measured24.2%Only GLM 5 measured
SWE Atlas: Test WritingNot measured28.7%Only GLM 5 measured
Terminal-Bench 2.0Not measured52.4%Only GLM 5 measured
CursorBench 4.060.4%Not measuredOnly Gemini 4 Carbon measured
Neither model has a result on the other 28 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
AA Intelligence Index60.0Not measuredOnly Gemini 4 Carbon measured
Epoch Capabilities Index169.8146.5Gemini 4 Carbon
Agentic workLike-for-likePublic boards, shown as published, kept out of the index20
Agentic work benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
Design Arena: agents building full-stack appsNot measured1097Only GLM 5 measured
Design Arena: agents building mobile apps12841128Gemini 4 Carbon
Design Arena: agents building Android appsNot measured1136Only GLM 5 measured
Design Arena: agents building Godot gamesNot measured1144Only GLM 5 measured
Design Arena: HTML slidesNot measured1043Only GLM 5 measured
Design Arena: spreadsheets1224Not measuredOnly Gemini 4 Carbon measured
LiveBench research92.5%Not measuredOnly Gemini 4 Carbon measured
LiveBench browser80.0%Not measuredOnly Gemini 4 Carbon measured
LiveBench long agentic72.7%Not measuredOnly Gemini 4 Carbon measured
Tax Agent Bench (Vals AI)51.8%Not measuredOnly Gemini 4 Carbon measured
Legal Research Bench (Vals AI)55.8%Not measuredOnly Gemini 4 Carbon measured
Harvey's Legal Agent Benchmark (Vals AI)17.5%Not measuredOnly Gemini 4 Carbon measured
τ²-Bench TelecomNot measured98.2%Only GLM 5 measured
APEX-Agents84.2%Not measuredOnly Gemini 4 Carbon measured
Vending-Bench 2$16,484$4,432Gemini 4 Carbon
Neither model has a result on the other 29 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index70
Reasoning benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
GPQA DiamondNot measured83.3%Only GLM 5 measured
LiveBench reasoning90.6%Not measuredOnly Gemini 4 Carbon measured
GPQA Diamond (Artificial Analysis run)Not measured82.0%Only GLM 5 measured
Humanity's Last Exam (Artificial Analysis run)Not measured29.3%Only GLM 5 measured
HLE-Diamond (Artificial Analysis run)69.1%Not measuredOnly Gemini 4 Carbon measured
CritPt v2, hard subset (Artificial Analysis run)69.0%Not measuredOnly Gemini 4 Carbon measured
GPQA Diamond (Epoch AI run)96.5%87.8%Gemini 4 Carbon
ARC-AGI98.5%44.7%Gemini 4 Carbon
ARC-AGI-294.2%4.9%Gemini 4 Carbon
SimpleBench92.6%53.2%Gemini 4 Carbon
Chess puzzles78.0%Not measuredOnly Gemini 4 Carbon measured
Mystery game puzzles73.0%Not measuredOnly Gemini 4 Carbon measured
EBR-bench87.6%Not measuredOnly Gemini 4 Carbon measured
LMArena Text: hard prompts15511452Gemini 4 Carbon
LMArena Text: expert15821455Gemini 4 Carbon
LMArena Text: hard prompts in English15451460Gemini 4 Carbon
Kagi LLM BenchmarkNot measured75.0%Only GLM 5 measured
Neither model has a result on the other 9 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index30
Math benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
AIMENot measured91.7%Only GLM 5 measured
OTIS Mock AIME100.0%80.0%Gemini 4 Carbon
FrontierMath, tiers 1 to 390.5%Not measuredOnly Gemini 4 Carbon measured
FrontierMath, tier 495.1%Not measuredOnly Gemini 4 Carbon measured
LMArena Text: mathNot measured1439Only GLM 5 measured
LMArena Text: mathematical work15381450Gemini 4 Carbon
MathArena85.4%19.0%Gemini 4 Carbon
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index40
Knowledge benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
MMLU ProNot measured86.0%Only GLM 5 measured
LegalBench (Vals AI)Not measured84.1%Only GLM 5 measured
CaseLaw (Vals AI)Not measured52.5%Only GLM 5 measured
CorpFin (Vals AI)Not measured62.9%Only GLM 5 measured
TaxEval (Vals AI)Not measured70.0%Only GLM 5 measured
MedQA (Vals AI)Not measured94.3%Only GLM 5 measured
AA-Omniscience53.5Not measuredOnly Gemini 4 Carbon measured
SimpleQA Verified77.7%Not measuredOnly Gemini 4 Carbon measured
LMArena Text: science15351460Gemini 4 Carbon
LMArena Text: medicine and healthcare15251454Gemini 4 Carbon
LMArena Text: legal and government15421454Gemini 4 Carbon
LMArena Text: business and finance15201431Gemini 4 Carbon
FACTS Benchmark Suite78.4%Not measuredOnly Gemini 4 Carbon measured
PRBench Legal53.3%Not measuredOnly Gemini 4 Carbon measured
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index50
Web design benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
Design Arena: websites13191239Gemini 4 Carbon
Design Arena: UI components13571221Gemini 4 Carbon
Design Arena: game dev13261223Gemini 4 Carbon
Design Arena: data vizNot measured1225Only GLM 5 measured
Design Arena: 3D14341208Gemini 4 Carbon
Design Arena: all code categories13481236Gemini 4 Carbon
Design Arena: SVGNot measured1157Only GLM 5 measured
Design Arena: ASCII artNot measured1142Only GLM 5 measured
LiveBench design80.2%Not measuredOnly Gemini 4 Carbon measured
GeneralLike-for-likePublic boards, shown as published, kept out of the index120
General benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
Vals Index70.5%Not measuredOnly Gemini 4 Carbon measured
LiveBench data analysis86.5%Not measuredOnly Gemini 4 Carbon measured
IFBenchNot measured72.3%Only GLM 5 measured
Long context reasoning (AA-LCR)79.3%75.7%Gemini 4 Carbon
GDPval-AA1733Not measuredOnly Gemini 4 Carbon measured
CL-benchNot measured18.7%Only GLM 5 measured
Furniture assembly77.5%Not measuredOnly Gemini 4 Carbon measured
LMArena Text15381446Gemini 4 Carbon
LMArena Text: instruction following15391428Gemini 4 Carbon
LMArena Text: creative writing15331437Gemini 4 Carbon
LMArena Text: English15301457Gemini 4 Carbon
LMArena Text: non-English15341431Gemini 4 Carbon
LMArena Text: Chinese16131512Gemini 4 Carbon
LMArena Text: GermanNot measured1447Only GLM 5 measured
LMArena Text: JapaneseNot measured1414Only GLM 5 measured
LMArena Text: KoreanNot measured1419Only GLM 5 measured
LMArena Text: FrenchNot measured1457Only GLM 5 measured
LMArena Text: SpanishNot measured1454Only GLM 5 measured
LMArena Text: Russian15601437Gemini 4 Carbon
LMArena Text: PolishNot measured1433Only GLM 5 measured
LMArena Text: multi-turn15691456Gemini 4 Carbon
LMArena Text: longer queries15491446Gemini 4 Carbon
LMArena Text: writing and language15421436Gemini 4 Carbon
LMArena Text: entertainment and media15271426Gemini 4 Carbon
Neither model has a result on the other 25 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 4 Carbon and GLM 5
BenchmarkGemini 4 CarbonGLM 5Leader
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

Gemini 4 Carbon$0.0070Fits in one request
GLM 5$0.0026Fits in one request

GLM 5 costs less

Repository review

50K input + 3K output tokens

Gemini 4 Carbon$0.130Fits in one request
GLM 5$0.060Fits in one request

GLM 5 costs less

Agent loop

200K input + 10K output tokens

Gemini 4 Carbon$0.500Fits in one request
GLM 5$0.232Exceeds the context window

GLM 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 Gemini 4 Carbon and GLM 5
SpecificationGoogle Gemini 4 CarbonZ.ai GLM 5
MakerGoogleZ.ai
WeightsNo public weights listedOpen weights
ReleasedNovember 10, 2026February 11, 2026
Context window1.05M205K
Input $/Mtok$2.00$1.00
Output $/Mtok$10.00$3.20
Coding index86.641.6
Independent measurements behind it43
Cost per solved taskNot computable$0.63
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 4 Carbon better than GLM 5 for coding?

Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 41.6 for GLM 5. Pick GLM 5 for output tokens 3.1x cheaper ($3.20 vs $10.00 per million).

Which is cheaper, Gemini 4 Carbon or GLM 5?

Gemini 4 Carbon costs $2.00 per million input tokens and $10.00 per million output tokens; GLM 5 costs $1.00 and $3.20. Cost per solved task is known for GLM 5 only.

Which has the bigger context window, Gemini 4 Carbon or GLM 5?

Gemini 4 Carbon, with 1.05M tokens against 205K.

How many benchmarks is the Gemini 4 Carbon vs GLM 5 comparison based on?

41 benchmarks have a result for both models as of November 14, 2026. Gemini 4 Carbon's coding index rests on 4 independent benchmarks and GLM 5's on 3. Where only one model has a result, the page says so instead of naming a winner.

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<iframe src="https://llmbenchmark.ai/embed/compare/gemini-4-carbon-vs-glm-5" title="Gemini 4 Carbon vs GLM 5, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-4-carbon-vs-glm-5">LLMBenchmark.ai, Gemini 4 Carbon vs GLM 5</a></p>