Charm HyperGLM-5.1 model ID, context window & pricing
glm
Quick facts
Model ID glm-5.1
Source Charm Hyper
Context Window 202800
Pricing $1.52 input / $4.79 output per 1M tokens
Capabilities tool calling, reasoning, structured output, temperature control, open weights
Model overview
GLM-5.1 is an AI model from Charm Hyper with 202800 token context window and text input support.
Published pricing is $1.52 input and $4.79 output per 1M tokens.
- Workloads that use text inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID glm-5.1
Provider Charm Hyper
Family glm
Status -
Knowledge Cutoff -
Release Date 2026-06-04
Input Modalities text
Output Modalities text
Context Window 202800
Input Limit -
Output Limit 3276
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $1.52
Output Cost / 1M tokens $4.79
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.28
Cache Write Cost / 1M tokens -