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ZenMux

GLM 4.7 Flash (Free) API

ZenMux
About

Build advanced reasoning agents with GLM 4.7 Flash (Free), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support. Access GLM 4.7 Flash (Free) via the ZenMux API with up to 64K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
200K

Tokens

Input Limit
200K

Tokens

Max Output
64K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

GLM 4.7 Flash (Free) by ZenMux costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
z-ai/glm-4.7-flash-free
Provider
ZenMux
Family
Release Date
Jan 19, 2026
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
@ai-sdk/anthropic
Environment Variables
ZENMUX_API_KEY
API Base URL
https://zenmux.ai/api/anthropic/v1
Documentation