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GLM 5.1

by Z Ai

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interaction

G5

Models

GLM 5.1

Added 10 July 2026

#z-ai

Overview

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...

How to use / API access

Call via OpenRouter with model id `z-ai/glm-5.1`.

  • openrouter · z-ai/glm-5.1 Docs

OpenRouter id: z-ai/glm-5.1

Benchmarks

  • Intelligence Index (artificial-analysis) : 40.2 index
  • Coding Index (artificial-analysis) : 55.8 index
  • Agentic Index (artificial-analysis) : 29.9 index
  • Design Arena 3d (other) : 1336 elo · #6
  • Design Arena asciiart (other) : 1174 elo · #32
  • Design Arena codecategories (other) : 1322 elo · #6
  • Design Arena dataviz (other) : 1366 elo · #2

Notes

GLM 5.1 is listed in the EDNA Models directory from the OpenRouter catalogue.