Umans AIGLM 5.1 model ID, context window & pricing
glm
Quick facts
Model ID umans-glm-5.1
Source Umans AI
Context Window 204800
Pricing $1.40 input / $4.40 output per 1M tokens
Capabilities tool calling, reasoning, structured output, temperature control, open weights
Model overview
GLM 5.1 is an AI model from Umans AI with 204800 token context window and text, image input support.
Published pricing is $1.40 input and $4.40 output per 1M tokens.
- Workloads that use text, image inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID umans-glm-5.1
Provider Umans AI
Family glm
Status -
Knowledge Cutoff -
Release Date 2026-03-27
Input Modalities text, image
Output Modalities text
Context Window 204800
Input Limit -
Output Limit 131072
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $1.40
Output Cost / 1M tokens $4.40
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.29
Cache Write Cost / 1M tokens -