Z.ai
Z.ai's updated flagship reasoning and coding model family with stronger agentic performance and longer-context production workflows.
Z.ai's updated flagship reasoning and coding model family with stronger agentic performance and longer-context production workflows.
41.2
Quality Score
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Arena ELO
Undisclosed
Parameters
203K
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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Apr 2026
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
How to Switch Models - Overview - Z.AI DEVELOPER DOCUMENT
Navigation Guide How to Switch Models Guides API Reference Scenario Example Coding Plan Released Notes Terms and Policy Help Center GLM Coding Plan Overview Usage Policy FAQ Legacy Plan Migration Notice Guide Quick Start Coding Tool Helper Tool Integration How to Switch Models MCP Integration Learning Resources Best Practice Memory-mechanism Campaign Rules Invite Friends, Get Credits On this page Switching Models in Claude Code Step 0 Claude Code default configuration Step 1
View sourceIntroducing GLM-5.1: The Next Level of Open Source - Top-Tier Performance: #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo. - Built for Long-Horizon Tasks: Runs aut
Introducing GLM-5.1: The Next Level of Open Source - Top-Tier Performance: #1 in open source and #3 globally across SWE-Bench Pro, Terminal-Bench, and NL2Repo. - Built for Long-Horizon Tasks: Runs autonomously for 8 hours, refining strategies through thousands of iterations. https://t.co/YQZLhKVwik
View sourcezai-org/GLM-5.1-FP8 · Hugging Face
Z.ai published benchmark or leaderboard evidence for GLM-5.1-FP8.
View sourcezai-org/GLM-5.1 · Hugging Face
Z.ai published benchmark or leaderboard evidence for GLM-5.1, GLM 5.1.
View source