Merge GatewayGLM-5.3 Flash model ID, context window & pricing
glm
Quick facts
Model ID zai/glm-5.3-flash
Source Merge Gateway
Context Window 1000000
Pricing $0.01 input / $0.05 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 Merge Gateway with 1000000 token context window and text, image, video, pdf input support.
Published pricing is $0.01 input and $0.05 output per 1M tokens.
- Workloads that use text, image, video, pdf inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID zai/glm-5.3-flash
Provider Merge Gateway
Family glm
Status -
Knowledge Cutoff -
Release Date 2026-08-26
Input Modalities text, image, video, pdf
Output Modalities text
Context Window 1000000
Input Limit -
Output Limit 131072
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $0.01
Output Cost / 1M tokens $0.05
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.00
Cache Write Cost / 1M tokens -