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Z.ai GLM 4.5

As of October 20, 2026, Z.ai GLM 4.5 ranks #132 of 213 models overall with 12.8 on the Artificial Analysis Intelligence Index. Its strongest category is coding, where it ranks #44 of 136. Z.ai GLM 4.5 costs $0.60 per million input tokens and $2.20 per million output tokens. It was released on July 25, 2025.

Its output price ranks 203 of 349 priced models, counting from the cheapest.

  • Coding index 64.2 Thin, 1 benchmark
  • Cost per solved task Not computable No published attempt cost
  • Output, per million tokens $2.20 203 of 349 from the cheapest
  • Input, per million tokens $0.60 OpenRouter list price
  • Context window 131K Tokens per request
  • Downloads, 30 days 117.7K Hugging Face

About and specs

GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly...

API model id z-ai/glm-4.5
  • Tool callingListed
  • Structured outputsNot listed
  • JSON modeListed
  • Reasoning modeListed
  • Web searchNot listed
Takes in
Text
Gives back
Text
Context window
131K tokens
Max output
98K tokens
Knowledge cutoff
December 31, 2024
Cached input $/Mtok
$0.11
Cache write $/Mtok
No cache write price listed
Reasoning $/Mtok
Not priced apart
Web search, per request
No search price listed
Tokenizer
Not named
Requests moderated
No
Withdrawn on
December 31, 2026
Parameters
358.3B, per its Hugging Face weights
Downloads, all time
1.2M on Hugging Face
Training compute
4.4e24 FLOP, Epoch AI estimate
Output speed
Not measured
Time to first token
Not measured
Speed on OpenRouter
25 tokens/s via Z.AI, 30-minute median
First token on OpenRouter
8.6 s via Z.AI, 30-minute median

Benchmarks: 61 of 190 measured

The tick on a coding bar is the median of every model measured on it. Outside coding, the place is this model's rank on that board. A board that never ran the model says so.

Coding index

64.2
  • Aider polyglot Not measured
  • SWE-bench Verified 64.2% 64 of 100
  • LiveBench coding Not measured
  • LMArena WebDev Elo, scaled from 1200 to 1900 Not measured

The index averages only the coding benchmarks that have a result; the others are skipped, never filled in. How it is weighted

Other public boards

All rankings

Coding7 of 34 boards

1 more coding boards

Not measured on SWE-bench Lite, SWE-bench (full test set), SWE-bench Multimodal, SWE-bench Multilingual, AA Coding Index, SWE-bench Verified (Vals AI), Terminal-Bench 4 (Vals AI), Vibe Code Bench (Vals AI), Code migration (Vals AI), ProgramBench (Vals AI), IOI (Vals AI), Terminal-Bench 2.1 (Vals AI), SWE-bench Multimodal (Vals AI), Vibe Code Bench 1-100 (Vals AI), SkillsBench (Vals AI), CyberBench (Vals AI), SciCode, Terminal-Bench, DeepSWE, FrontierCode, FrontierSWE, GSO-Bench, MirrorCode, Cybench, LMArena WebDev: React, LMArena WebDev: HTML, LMArena WebDev: from an image

Intelligence1 of 2 boards

Not measured on Epoch Capabilities Index

Agentic work1 of 39 boards

Not measured on AA Agentic Index, Design Arena: agents building web apps, Design Arena: agents building full-stack apps, Design Arena: agents building mobile apps, Design Arena: agents building Android apps, Design Arena: agents building Godot games, Design Arena: agents building games, Design Arena: HTML slides, Design Arena: PowerPoint slides, Design Arena: spreadsheets, LiveBench research, LiveBench browser, LiveBench long agentic, SREBench (Vals AI), Finance Agent (Vals AI), Tax Agent Bench (Vals AI), Legal Research Bench (Vals AI), Harvey's Legal Agent Benchmark (Vals AI), Excel Modeling Benchmark (Vals AI), BioMysteryBench (Vals AI), Terminal-Bench-Science (Vals AI), Vals Science Index, Time Horizon Index (Vals AI), CUA-bench (Vals AI), Robo-bench (Vals AI), APEX-Agents, METR time horizons, Remote Labor Index, GDPval, OSWorld 2.0, BALROG, DeepResearch Bench, PostTrainBench, TheAgentCompany, OSWorld, SpireClimb, Vending-Bench 2, LMArena Search

Reasoning7 of 21 boards

1 more reasoning boards

Not measured on LiveBench reasoning, MysteryMechanism (Vals AI), MMMU Pro (Vals AI), GPQA Diamond (Epoch AI run), ARC-AGI, ARC-AGI-2, SimpleBench, Chess puzzles, Mystery game puzzles, EBR-bench, VPCT, BIG-Bench Hard, LMArena Vision: diagrams, LMArena Vision: homework

Math7 of 13 boards

1 more math boards

Not measured on OTIS Mock AIME, FrontierMath, tiers 1 to 3, FrontierMath, tier 4, ProofBench, MATH level 5, GSM8K

Knowledge10 of 17 boards

4 more knowledge boards

Not measured on CaseLaw (Vals AI), MortgageTax (Vals AI), MedCode (Vals AI), SimpleQA Verified, MMLU, GeoBench, AI2 Reasoning Challenge

Web design7 of 9 boards

1 more web design boards

Not measured on Design Arena: ASCII art, LiveBench design

General20 of 46 boards

14 more general boards

Not measured on Vals Index, LiveBench data analysis, Public Benefits Bench (Vals AI), SAGE (Vals AI), MedScribe (Vals AI), Vals Multimodal Index, DTBench, LMCA, Fiction.LiveBench, CL-bench, Surface Evolver Bench, Furniture assembly, ExploitBench, HellaSwag, WinoGrande, PIQA, CL-bench Life, LMArena Vision, LMArena Vision: English, LMArena Vision: Chinese, LMArena Vision: reading text, LMArena Vision: humor, LMArena Vision: captioning, LMArena Vision: recognizing things, LMArena Vision: creative writing, LMArena Document

Image generation0 of 5 boards

Not measured on Design Arena: images, Design Arena: graphic design, Design Arena: logos, LMArena Text to Image, LMArena Image Edit

Public boards shown as published (Vals AI, Artificial Analysis, Design Arena) and kept out of the coding index. Each links to its source on the benchmark page.

All 190 benchmarks as a table
Benchmark results for Z.ai GLM 4.5
BenchmarkResultIndex weight
Aider polyglotCoding Not measured 35%
SWE-bench VerifiedCoding 64.2% 30%
SWE-bench LiteCoding Not measured Not in index
SWE-bench (full test set)Coding Not measured Not in index
SWE-bench MultimodalCoding Not measured Not in index
SWE-bench MultilingualCoding Not measured Not in index
LiveBench codingCoding Not measured 20%
LMArena WebDevCoding Not measured 15%
Vals IndexGeneral Not measured Not in index
GPQA DiamondReasoning 72.2% Not in index
AIMEMath 86.7% Not in index
MMLU ProKnowledge 81.2% Not in index
AA Intelligence IndexIntelligence 12.8 Not in index
AA Coding IndexCoding Not measured Not in index
AA Agentic IndexAgentic work Not measured Not in index
Design Arena: websitesWeb design 1170 Not in index
Design Arena: UI componentsWeb design 1144 Not in index
Design Arena: game devWeb design 1145 Not in index
Design Arena: data vizWeb design 1159 Not in index
Design Arena: 3DWeb design 1170 Not in index
Design Arena: all code categoriesWeb design 1165 Not in index
Design Arena: SVGWeb design 1095 Not in index
Design Arena: ASCII artWeb design Not measured Not in index
Design Arena: agents building web appsAgentic work Not measured Not in index
Design Arena: agents building full-stack appsAgentic work Not measured Not in index
Design Arena: agents building mobile appsAgentic work Not measured Not in index
Design Arena: agents building Android appsAgentic work Not measured Not in index
Design Arena: agents building Godot gamesAgentic work Not measured Not in index
Design Arena: agents building gamesAgentic work Not measured Not in index
Design Arena: HTML slidesAgentic work Not measured Not in index
Design Arena: PowerPoint slidesAgentic work Not measured Not in index
Design Arena: spreadsheetsAgentic work Not measured Not in index
Design Arena: imagesImage generation Not measured Not in index
Design Arena: graphic designImage generation Not measured Not in index
Design Arena: logosImage generation Not measured Not in index
LiveBench reasoningReasoning Not measured Not in index
LiveBench data analysisGeneral Not measured Not in index
LiveBench researchAgentic work Not measured Not in index
LiveBench browserAgentic work Not measured Not in index
LiveBench long agenticAgentic work Not measured Not in index
LiveBench designWeb design Not measured Not in index
LiveCodeBench (Vals AI)Coding 67.5% Not in index
SWE-bench Verified (Vals AI)Coding Not measured Not in index
Terminal-Bench 4 (Vals AI)Coding Not measured Not in index
Vibe Code Bench (Vals AI)Coding Not measured Not in index
Code migration (Vals AI)Coding Not measured Not in index
ProgramBench (Vals AI)Coding Not measured Not in index
SREBench (Vals AI)Agentic work Not measured Not in index
IOI (Vals AI)Coding Not measured Not in index
Terminal-Bench 2.1 (Vals AI)Coding Not measured Not in index
SWE-bench Multimodal (Vals AI)Coding Not measured Not in index
Vibe Code Bench 1-100 (Vals AI)Coding Not measured Not in index
SkillsBench (Vals AI)Coding Not measured Not in index
CyberBench (Vals AI)Coding Not measured Not in index
Finance Agent (Vals AI)Agentic work Not measured Not in index
Tax Agent Bench (Vals AI)Agentic work Not measured Not in index
Legal Research Bench (Vals AI)Agentic work Not measured Not in index
Harvey's Legal Agent Benchmark (Vals AI)Agentic work Not measured Not in index
Excel Modeling Benchmark (Vals AI)Agentic work Not measured Not in index
BioMysteryBench (Vals AI)Agentic work Not measured Not in index
Terminal-Bench-Science (Vals AI)Agentic work Not measured Not in index
Vals Science IndexAgentic work Not measured Not in index
Time Horizon Index (Vals AI)Agentic work Not measured Not in index
CUA-bench (Vals AI)Agentic work Not measured Not in index
Robo-bench (Vals AI)Agentic work Not measured Not in index
Public Benefits Bench (Vals AI)General Not measured Not in index
MysteryMechanism (Vals AI)Reasoning Not measured Not in index
MMMU Pro (Vals AI)Reasoning Not measured Not in index
MATH 500 (Vals AI)Math 94.0% Not in index
MGSM (Vals AI)Math 90.8% Not in index
SAGE (Vals AI)General Not measured Not in index
LegalBench (Vals AI)Knowledge 75.6% Not in index
CaseLaw (Vals AI)Knowledge Not measured Not in index
CorpFin (Vals AI)Knowledge 61.0% Not in index
TaxEval (Vals AI)Knowledge 72.4% Not in index
MortgageTax (Vals AI)Knowledge Not measured Not in index
MedQA (Vals AI)Knowledge 90.0% Not in index
MedCode (Vals AI)Knowledge Not measured Not in index
MedScribe (Vals AI)General Not measured Not in index
Vals Multimodal IndexGeneral Not measured Not in index
AA Math IndexMath 73.7 Not in index
GPQA Diamond (Artificial Analysis run)Reasoning 78.2% Not in index
Humanity's Last Exam (Artificial Analysis run)Reasoning 13.0% Not in index
MMLU Pro (Artificial Analysis run)Knowledge 83.5% Not in index
LiveCodeBench (Artificial Analysis run)Coding 73.8% Not in index
SciCodeCoding Not measured Not in index
Terminal-Bench Hard (Artificial Analysis run)Coding 22.0% Not in index
IFBenchGeneral 44.1% Not in index
Long context reasoning (AA-LCR)General 52.7% Not in index
τ²-Bench TelecomAgentic work 43.0% Not in index
AIME 2025 (Artificial Analysis run)Math 73.7% Not in index
Terminal-BenchCoding Not measured Not in index
DeepSWECoding Not measured Not in index
FrontierCodeCoding Not measured Not in index
FrontierSWECoding Not measured Not in index
GSO-BenchCoding Not measured Not in index
WeirdMLCoding 40.6% Not in index
MirrorCodeCoding Not measured Not in index
APEX-AgentsAgentic work Not measured Not in index
METR time horizonsAgentic work Not measured Not in index
Remote Labor IndexAgentic work Not measured Not in index
GDPvalAgentic work Not measured Not in index
OSWorld 2.0Agentic work Not measured Not in index
BALROGAgentic work Not measured Not in index
DeepResearch BenchAgentic work Not measured Not in index
PostTrainBenchAgentic work Not measured Not in index
GPQA Diamond (Epoch AI run)Reasoning Not measured Not in index
ARC-AGIReasoning Not measured Not in index
ARC-AGI-2Reasoning Not measured Not in index
Humanity's Last ExamReasoning 8.3% Not in index
SimpleBenchReasoning Not measured Not in index
Chess puzzlesReasoning Not measured Not in index
Mystery game puzzlesReasoning Not measured Not in index
EBR-benchReasoning Not measured Not in index
OTIS Mock AIMEMath Not measured Not in index
FrontierMath, tiers 1 to 3Math Not measured Not in index
FrontierMath, tier 4Math Not measured Not in index
ProofBenchMath Not measured Not in index
MATH level 5Math Not measured Not in index
GSM8KMath Not measured Not in index
SimpleQA VerifiedKnowledge Not measured Not in index
MMLUKnowledge Not measured Not in index
GeoBenchKnowledge Not measured Not in index
DTBenchGeneral Not measured Not in index
LMCAGeneral Not measured Not in index
Fiction.LiveBenchGeneral Not measured Not in index
Creative writing (Lech Mazur)General 73.4% Not in index
CL-benchGeneral Not measured Not in index
Surface Evolver BenchGeneral Not measured Not in index
Furniture assemblyGeneral Not measured Not in index
ExploitBenchGeneral Not measured Not in index
CybenchCoding Not measured Not in index
TheAgentCompanyAgentic work Not measured Not in index
OSWorldAgentic work Not measured Not in index
SpireClimbAgentic work Not measured Not in index
VPCTReasoning Not measured Not in index
BIG-Bench HardReasoning Not measured Not in index
AI2 Reasoning ChallengeKnowledge Not measured Not in index
HellaSwagGeneral Not measured Not in index
WinoGrandeGeneral Not measured Not in index
PIQAGeneral Not measured Not in index
CL-bench LifeGeneral Not measured Not in index
ALE-BenchCoding 344.8 Not in index
Vending-Bench 2Agentic work Not measured Not in index
Epoch Capabilities IndexIntelligence Not measured Not in index
LMArena TextGeneral 1430 Not in index
LMArena Text: codingCoding 1434 Not in index
LMArena Text: hard promptsReasoning 1429 Not in index
LMArena Text: mathMath 1427 Not in index
LMArena Text: instruction followingGeneral 1404 Not in index
LMArena Text: creative writingGeneral 1395 Not in index
LMArena VisionGeneral Not measured Not in index
LMArena Text: EnglishGeneral 1437 Not in index
LMArena Text: non-EnglishGeneral 1417 Not in index
LMArena Text: ChineseGeneral 1465 Not in index
LMArena Text: GermanGeneral 1407 Not in index
LMArena Text: JapaneseGeneral 1415 Not in index
LMArena Text: KoreanGeneral 1380 Not in index
LMArena Text: FrenchGeneral 1419 Not in index
LMArena Text: SpanishGeneral 1454 Not in index
LMArena Text: RussianGeneral 1413 Not in index
LMArena Text: PolishGeneral 1422 Not in index
LMArena Text: multi-turnGeneral 1415 Not in index
LMArena Text: longer queriesGeneral 1412 Not in index
LMArena Text: expertReasoning 1433 Not in index
LMArena Text: hard prompts in EnglishReasoning 1429 Not in index
LMArena Text: software and ITCoding 1440 Not in index
LMArena Text: mathematical workMath 1430 Not in index
LMArena Text: scienceKnowledge 1444 Not in index
LMArena Text: medicine and healthcareKnowledge 1455 Not in index
LMArena Text: legal and governmentKnowledge 1438 Not in index
LMArena Text: business and financeKnowledge 1420 Not in index
LMArena Text: writing and languageGeneral 1402 Not in index
LMArena Text: entertainment and mediaGeneral 1404 Not in index
LMArena WebDev: ReactCoding Not measured Not in index
LMArena WebDev: HTMLCoding Not measured Not in index
LMArena WebDev: from an imageCoding Not measured Not in index
LMArena Vision: EnglishGeneral Not measured Not in index
LMArena Vision: ChineseGeneral Not measured Not in index
LMArena Vision: reading textGeneral Not measured Not in index
LMArena Vision: diagramsReasoning Not measured Not in index
LMArena Vision: homeworkReasoning Not measured Not in index
LMArena Vision: humorGeneral Not measured Not in index
LMArena Vision: captioningGeneral Not measured Not in index
LMArena Vision: recognizing thingsGeneral Not measured Not in index
LMArena Vision: creative writingGeneral Not measured Not in index
LMArena SearchAgentic work Not measured Not in index
LMArena DocumentGeneral Not measured Not in index
LMArena Text to ImageImage generation Not measured Not in index
LMArena Image EditImage generation Not measured Not in index

What it costs

A list price says what a token costs. The cost per solved task says what a working answer costs, which is the number that decides.

Output price against the market

GLM 4.5 pricing
$0.0112Dashed line: median $1.80, log scale$600.00
$2.20 per million output tokens is cheaper than 42% of the 344 paid models in the catalog.

Cost per solved task

How it is computed

SWE-bench Verified lists a pass rate for this model but no cost per attempt, on Vals AI and on swebench.com alike. We leave the number out rather than estimate it.

Nearly as good as GLM 4.5, for less

What the boards say about its runs

Beside a result, many boards publish what the run cost, how long it took, the tokens it spent or the votes behind a rating. Each figure as its board printed it, one board per row.

What each board publishes about the runs behind Z.ai: GLM 4.5's results
BoardResultWhat the run costAlso published
WeirdML 40.6% $0.0735 per run Median lines of code 246
ALE-Bench 344.8 $0.0301 per problem Tokens per problem 16,482
GPQA Diamond 72.2% Not published Latency, as printed 11m 44s
AIME 86.7% Not published Latency, as printed 5m 33s
MMLU Pro 81.2% Not published Latency, as printed 2m 17s
Design Arena: websites 1170 Elo Not published Battles 14,853
Design Arena: UI components 1144 Elo Not published Battles 607
Design Arena: game dev 1145 Elo Not published Battles 1,996
Design Arena: data viz 1159 Elo Not published Battles 319
Design Arena: 3D 1170 Elo Not published Battles 1,878
Design Arena: all code categories 1165 Elo Not published Battles 19,653
Design Arena: SVG 1095 Elo Not published Battles 1,961
35 more boards
What each board publishes about the runs behind Z.ai: GLM 4.5's results, continued
LiveCodeBench (Vals AI) 67.5% Not published Latency, as printed 6m 31s
MATH 500 (Vals AI) 94.0% Not published Latency, as printed 1m 25s
MGSM (Vals AI) 90.8% Not published Latency, as printed 1m 30s
LegalBench (Vals AI) 75.6% Not published Latency, as printed 16 s
CorpFin (Vals AI) 61.0% Not published Latency, as printed 1m 35s
TaxEval (Vals AI) 72.4% Not published Latency, as printed 2m 09s
MedQA (Vals AI) 90.0% Not published Latency, as printed 60 s
LMArena Text 1430 Elo Not published Votes 23,796 · Interval (±) ±4.9
LMArena Text: coding 1434 Elo Not published Votes 4,742 · Interval (±) ±8.8
LMArena Text: hard prompts 1429 Elo Not published Votes 11,110 · Interval (±) ±6.4
LMArena Text: math 1427 Elo Not published Votes 1,402 · Interval (±) ±15.6
LMArena Text: instruction following 1404 Elo Not published Votes 6,162 · Interval (±) ±7.9
LMArena Text: creative writing 1395 Elo Not published Votes 3,093 · Interval (±) ±10.8
LMArena Text: English 1437 Elo Not published Votes 10,120 · Interval (±) ±6.5
LMArena Text: non-English 1417 Elo Not published Votes 13,664 · Interval (±) ±5.9
LMArena Text: Chinese 1465 Elo Not published Votes 1,783 · Interval (±) ±14.4
LMArena Text: German 1407 Elo Not published Votes 539 · Interval (±) ±25.4
LMArena Text: Japanese 1415 Elo Not published Votes 775 · Interval (±) ±22.7
LMArena Text: Korean 1380 Elo Not published Votes 656 · Interval (±) ±23.9
LMArena Text: French 1419 Elo Not published Votes 340 · Interval (±) ±31.9
LMArena Text: Spanish 1454 Elo Not published Votes 678 · Interval (±) ±23.3
LMArena Text: Russian 1413 Elo Not published Votes 1,570 · Interval (±) ±14.2
LMArena Text: Polish 1422 Elo Not published Votes 1,676 · Interval (±) ±14.8
LMArena Text: multi-turn 1415 Elo Not published Votes 3,706 · Interval (±) ±9.9
LMArena Text: longer queries 1412 Elo Not published Votes 5,085 · Interval (±) ±8.5
LMArena Text: expert 1433 Elo Not published Votes 1,157 · Interval (±) ±17.3
LMArena Text: hard prompts in English 1429 Elo Not published Votes 4,832 · Interval (±) ±8.7
LMArena Text: software and IT 1440 Elo Not published Votes 8,092 · Interval (±) ±7.1
LMArena Text: mathematical work 1430 Elo Not published Votes 1,260 · Interval (±) ±16.8
LMArena Text: science 1444 Elo Not published Votes 3,858 · Interval (±) ±9.7
LMArena Text: medicine and healthcare 1455 Elo Not published Votes 1,385 · Interval (±) ±16.3
LMArena Text: legal and government 1438 Elo Not published Votes 1,475 · Interval (±) ±15.7
LMArena Text: business and finance 1420 Elo Not published Votes 4,226 · Interval (±) ±9.3
LMArena Text: writing and language 1402 Elo Not published Votes 5,301 · Interval (±) ±8.4
LMArena Text: entertainment and media 1404 Elo Not published Votes 4,315 · Interval (±) ±9.1

On these lists

Compare with models of a similar score

All 135 comparisons for GLM 4.5