---
name: Zai-Org Glm-5.1
slug: zai-org-glm-5-1
type: LLM
providers:
  - siliconflow
description: 'Flagship GLM model for hybrid reasoning, coding, and agentic engineering'
tags:
  - open-source
  - reasoning
  - tool-use
  - glm
  - llm
is_open_source: true
context_window: 205000
max_output: 205000
pricing:
  - image: 0
    input: 1.4
    output: 4.4
    provider: siliconflow
release_date: '2026-04-08'
capabilities:
  audio: false
  vision: false
  tool_use: true
  citations: false
  reasoning: true
---
Zai-Org Glm-5.1 is a LLM model.
Flagship GLM model for hybrid reasoning, coding, and agentic engineering