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AIHubMix

Coding GLM 5.1 (free) API

AIHubMix
About

Build advanced reasoning agents with Coding GLM 5.1 (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, open weights architecture. Access Coding GLM 5.1 (free) via the AIHubMix API with up to 128K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
Yes
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
200K

Tokens

Input Limit
200K

Tokens

Max Output
128K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Coding GLM 5.1 (free) by AIHubMix costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
coding-glm-5.1-free
Provider
AIHubMix
Family
glm-free
Release Date
Apr 11, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@aihubmix/ai-sdk-provider
Environment Variables
AIHUBMIX_API_KEY
API Base URL
https://aihubmix.com/v1
Documentation