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Atomic Chat

Qwen 3.5 9B (MLX 4-bit) API

Atomic Chat
About

Integrate multimodal vision capabilities using Qwen 3.5 9B (MLX 4-bit), designed to process both text and images seamlessly. This model delivers available completely free of charge, native tool calling support, open weights architecture. Access Qwen 3.5 9B (MLX 4-bit) via the Atomic Chat API with up to 8K output tokens.

Capabilities

Input Modalities

textimage

Output Modalities

text
Reasoning
No
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
33K

Tokens

Input Limit
33K

Tokens

Max Output
8K

Tokens

Pricing

Standard (per 1M tokens)

Input
Free
Output
Free
Frequently Asked Questions

Qwen 3.5 9B (MLX 4-bit) by Atomic Chat costs Free per 1M input tokens and Free per 1M output tokens.

Model Details
ID
Qwen3_5-9B-MLX-4bit
Provider
Atomic Chat
Family
qwen
Release Date
Mar 5, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ATOMIC_CHAT_API_KEY
API Base URL
http://127.0.0.1:1337/v1
Documentation