GLM 5.3
by Z Ai
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context w
Models
GLM 5.3
Added 3 Sept 2026
Overview
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
How to use / API access
Call via OpenRouter with model id `z-ai/glm-5.3`.
- openrouter ·
z-ai/glm-5.3Docs
OpenRouter id: z-ai/glm-5.3
Benchmarks
- Intelligence Index (artificial-analysis): 44.8 index
- Coding Index (artificial-analysis): 74.8 index
- Agentic Index (artificial-analysis): 53.1 index
- Design Arena 3d (other): 1334 elo · #13
- Design Arena asciiart (other): 1213 elo · #20
- Design Arena codecategories (other): 1306 elo · #14
- Design Arena dataviz (other): 1263 elo · #30
Notes
GLM 5.3 is listed in the EDNA Models directory from the OpenRouter catalogue.
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