GLM-5.3-Flash model ID, context window & pricing
glm
Quick facts
Model ID glm-5.3-flash
Source Charm Hyper
Context Window 1048576
Pricing $0.16 input / $0.54 output per 1M tokens
Capabilities tool calling, reasoning, structured output, temperature control, open weights
Model overview
GLM-5.3-Flash is an AI model from Charm Hyper with 1048576 token context window and text, image input support.
Published pricing is $0.16 input and $0.54 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 glm-5.3-flash
Provider Charm Hyper
Family glm
Status -
Knowledge Cutoff -
Release Date 2026-08-26
Input Modalities text, image
Output Modalities text
Context Window 1048576
Input Limit -
Output Limit 131072
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $0.16
Output Cost / 1M tokens $0.54
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.03
Cache Write Cost / 1M tokens -