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Data checked September 25, 2026
Data checked September 25, 2026
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Data checked September 25, 2026 · Every number links to its sourceRSS · Source on GitHub
Leaderboard/Z.ai
Z.ai

Z.ai · GLM-5

GLM-5.2

Open weightsSupersededMIT

Previous GLM flagship (MIT, 1M context). Superseded by GLM-5.3 on the same base at the same price.

AA Intelligence
34#34 of 142
Input / output per 1M
$1.40/ $4.40
Output speed
77tok/s
Context window
1M tokens

Composite indexes

  • Artificial Analysis Intelligence Index#34 of 142
    34independentv4.3.2, reasoning, max effortArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Claude Opus 5.5 at 58

Coding

  • Terminal-Bench 4.0#46 of 88
    1%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Claude Mythos 5.1 at 60.9%

  • Terminal-Bench 2.x#28 of 103
    81%vendorTerminal-Bench 2.1, Terminus-2GLM-5.2 model card (Hugging Face) ↗
    77.9%independentTerminal-Bench 2.1, reasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Claude Fable 5.1 at 91.4%

  • SciCode#35 of 94
    51.2%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Claude Opus 5.5 at 66.9%

  • SWE-bench Pro#10 of 31
    62.1%vendorOpenHands harnessGLM-5.2 model card (Hugging Face) ↗

    Leader: Claude Opus 5.5 at 89.9%

Agents and tool use

  • τ²-Bench#1 of 88
    99.1%independenttelecom, reasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: GLM-5.2 at 99.1%

  • GDPval-AA#33 of 103
    1358independentGDPval-AA v2.1, reasoning, max effortArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Claude Opus 5.5 at 1846

  • MCP Atlas#3 of 9
    76.8%vendorpublic setGLM-5.2 model card (Hugging Face) ↗

    Leader: Kimi K3 at 84.2%

Reasoning and knowledge

  • GPQA Diamond#44 of 142
    91.2%vendorGLM-5.2 model card (Hugging Face) ↗
    89.5%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: GPT-6 Astra at 96.1%

  • Humanity’s Last Exam#31 of 147
    54.7%vendorwith toolsGLM-5.2 model card (Hugging Face) ↗
    41.1%independentreasoning, max effort, no tools, AA-runArtificial Analysis: GLM-5.2 (max) ↗
    40.5%vendorno tools, text-only subsetGLM-5.2 model card (Hugging Face) ↗

    Leader: Claude Opus 5.5 at 61.4%

  • CritPt#13 of 139
    20.9%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.2 (max) ↗

    Leader: GPT-5.6 Sol at 32.3%

  • AIME 2026#2 of 13
    99.2%vendorGLM-5.2 model card (Hugging Face) ↗

    Leader: ERNIE 5.1 at 99.6%

  • HMMT February 2026#1 of 8
    92.5%vendorHMMT Feb 2026GLM-5.2 model card (Hugging Face) ↗

    Leader: GLM-5.2 at 92.5%

Vision and long context

  • AA Long Context Reasoning#45 of 139
    78.3%independentreasoning, max effort, AA-LCRArtificial Analysis: GLM-5.2 (max) ↗

    Leader: Kimi K3 at 88.7%

Human preference

  • LMArena Text#19 of 54
    1472independentarena entry "glm-5.2-max", 36,798 votes, checked 2026-09-25Arena (LMArena) text leaderboard ↗

    Leader: Claude Fable 5 at 1506

  • LMArena WebDev#19 of 54
    1600independentarena entry "glm-5.2-max", 12,440 votes, checked 2026-09-25Arena (LMArena) WebDev/Code leaderboard ↗

    Leader: Claude Opus 5.5 at 1818

Other published results

ResultScoreReported bySource
IFBench (AA) · reasoning, max effort73.3%independentArtificial Analysis: GLM-5.2 (max) ↗
Terminal-Bench Hard (AA) · reasoning, max effort50.8%independentArtificial Analysis: GLM-5.2 (max) ↗

Specs

Released
June 16, 2026
Parameters
753B total, 40B active
Size class
500B to 1T
Input
text
Output
text
Context
1M tokens
Max output
Not published
Cached input
$0.26 / 1M
Blended 70/30
$2.30 / 1M
First token
4.12s
  • Price: Z.ai pricing ↗ Still listed at the same price as GLM-5.3.
  • Speed: Artificial Analysis: GLM-5.2 (max) (max) ↗

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