WaferGLM-5.1 model ID, context window & pricing
glm
Quick facts
Model ID GLM-5.1
Source Wafer
Context Window 202752
Pricing $1.00 input / $3.20 output per 1M tokens
Capabilities tool calling, reasoning, structured output, temperature control, open weights
Model overview
GLM-5.1 is an AI model from Wafer with 202752 token context window and text input support.
Published pricing is $1.00 input and $3.20 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 Wafer
Family glm
Status -
Knowledge Cutoff 2025-04
Release Date 2026-04-07
Input Modalities text
Output Modalities text
Context Window 202752
Input Limit -
Output Limit 131072
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $1.00
Output Cost / 1M tokens $3.20
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.10
Cache Write Cost / 1M tokens $0.00