Z.ai
GLM-5.1 is our next-generation flagship model for agentic engineering, with significantly stronger coding capabilities than its predecessor. It achieves state-of-the-art performance on SWE-Bench Pro and leads GLM-5 by a wide margin on NL2Repo (repo generation) and Terminal-Bench 2.0 (real-world terminal tasks).
GLM-5.1 is our next-generation flagship model for agentic engineering, with significantly stronger coding capabilities than its predecessor.
52.2
Quality Score
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Arena ELO
754B
Parameters
203K
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
18 of 22 public signals
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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83.2K
Downloads
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Apr 2026
Released
5/5 signals
3/4 signals
3/5 signals
3/4 signals
4/4 signals
Parameters
754B
Training compute
Not reported
Dataset scale
Not reported
Base model
Not reported
Source-reported access: Open weights (unrestricted) · Confident confidence
Gaps we are still tracking
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.
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View sourceHow to Switch Models - Overview - Z.AI DEVELOPER DOCUMENT
Navigation How to Switch Models Guides API Reference Coding Plan Released Notes Terms and Policy Help Center GLM Coding Plan Overview Usage Policy FAQ Team Plan Benefits Guide Quick Start Coding Tool Helper Tool Integration How to Switch Models MCP Integration Notice Plan Update Announcement Legacy Plan Migration Notice Learning Resources Best Practice Memory-mechanism Campaign Rules Invite Friends, Get Credits On this page Switching Models in Claude Code Step 0 Claude Code d
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