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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-5.3

Open weightsGenerally availableNewcustom (GLM-5.3 license)

Z.ai's text-only flagship: the same base as GLM-5.2 with post-training only, much stronger at long-horizon coding and cyber tasks, and thinking always on (low/high/max effort).

AA Intelligence
45#12 of 142
Input / output per 1M
$1.40/ $4.40
Output speed
69tok/s
Context window
1M tokens

Composite indexes

  • Artificial Analysis Intelligence Index#12 of 142
    45independentv4.3.2, reasoning, max effortArtificial Analysis: GLM-5.3 (max) ↗
    34independentv4.3.2, reasoning, low effortArtificial Analysis: GLM-5.3 (low) ↗

    Leader: Claude Opus 5.5 at 58

Coding

  • Terminal-Bench 4.0#8 of 88
    41.9%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Claude Mythos 5.1 at 60.9%

  • Terminal-Bench 2.x#19 of 103
    88.2%vendorTerminal-Bench 2.1, Claude Code harnessGLM-5.3 model card (Hugging Face) ↗
    83.9%independentTerminal-Bench 2.1, reasoning, max effort, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Claude Fable 5.1 at 91.4%

  • SciCode#7 of 94
    59%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Claude Opus 5.5 at 66.9%

Agents and tool use

  • GDPval-AA#8 of 103
    1769vendorGDPval-AA v2 (vendor table, labeled as evaluated by Artificial Analysis)GLM-5.3 model card (Hugging Face) ↗
    1646independentGDPval-AA v2.1, reasoning, max effortArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Claude Opus 5.5 at 1846

Reasoning and knowledge

  • GPQA Diamond#27 of 142
    91.7%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: GPT-6 Astra at 96.1%

  • Humanity’s Last Exam#29 of 147
    62.5%vendorwith tools, full setGLM-5.3 model card (Hugging Face) ↗
    42.3%independentreasoning, max effort, no tools, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Claude Opus 5.5 at 61.4%

  • CritPt#18 of 139
    19.1%independentreasoning, max effort, AA-runArtificial Analysis: GLM-5.3 (max) ↗

    Leader: GPT-5.6 Sol at 32.3%

Vision and long context

  • AA Long Context Reasoning#35 of 139
    79.7%independentreasoning, max effort, AA-LCRArtificial Analysis: GLM-5.3 (max) ↗

    Leader: Kimi K3 at 88.7%

Human preference

  • LMArena Text#12 of 54
    1483independentarena entry "glm-5.3-max", 10,960 votes, checked 2026-09-25Arena (LMArena) text leaderboard ↗

    Leader: Claude Fable 5 at 1506

  • LMArena WebDev#14 of 54
    1622independentarena entry "glm-5.3-max", 5,801 votes, checked 2026-09-25Arena (LMArena) WebDev/Code leaderboard ↗

    Leader: Claude Opus 5.5 at 1818

Other published results

ResultScoreReported bySource
Terminal-Bench 3.0 · Claude Code harness, avg@328.3%vendorGLM-5.3 model card (Hugging Face) ↗
DeepSWE v1.1 · mini-swe-agent harness66.9%vendorGLM-5.3 model card (Hugging Face) ↗
Agents' Last Exam (ALE-CLI)28.5%vendorGLM-5.3 model card (Hugging Face) ↗
CyberGym84.5%vendorGLM-5.3 model card (Hugging Face) ↗
Toolathlon Verified73%vendorGLM-5.3 model card (Hugging Face) ↗
AutomationBench v1.0.648.2%vendorGLM-5.3 model card (Hugging Face) ↗
NL2Repo58 scorevendorGLM-5.3 model card (Hugging Face) ↗

Specs

Released
August 18, 2026
Parameters
753B total, 40B active
Size class
500B to 1T
Input
text
Output
text
Context
1M tokens
Max output
128K tokens
Cached input
$0.26 / 1M
Blended 70/30
$2.30 / 1M
First token
3.23s
  • Price: Z.ai pricing ↗ Same price as GLM-5.2 and GLM-5.1. Cached-input storage is free for a limited time.
  • Speed: Artificial Analysis: GLM-5.3 (max) (max) ↗

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Compare with

  • AlibabaQwen3.8-Max45
  • xAIGrok 4.644.3
  • Moonshot AIKimi K344
  • XiaomiMiMo-V2.6-Pro46.3