Who developed Cua S1 4B Coreml and how large is it?

Cua S1 4B Coreml is developed by FluidInference, a model with 4b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

Where can I download or evaluate Cua S1 4B Coreml?

Cua S1 4B Coreml is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Cua S1 4B Coreml by FluidInference

Name: Cua S1 4B Coreml
Author: FluidInference

Cua S1 4B Coreml is an open-source language model by FluidInference. Features: 4b LLM, License: apache-2.0, LLM Explorer Score: 0.27.

Apple-silicon Base model:finetune:qwen/qwen3... Base model:qwen/qwen3.5-4b Computer-use Coreml Decision-model Fluiduse Image-text-to-text Qwen3.5 Region:us

Model Card on HF 🤗: https://huggingface.co/FluidInference/cua-s1-4b-coreml

Cua S1 4B Coreml Parameters and Internals

LLM Name	Cua S1 4B Coreml
Repository 🤗	https://huggingface.co/FluidInference/cua-s1-4b-coreml
Base Model(s)	cua-ai/cua-s1-4b-0.2 Qwen/Qwen3.5-4B cua-ai/cua-s1-4b-0.2 Qwen/Qwen3.5-4B
Model Size	4b
Updated	2026-09-30
Maintainer	FluidInference
License	apache-2.0

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Instruction Following and Task Automation
Factuality and Completeness of Knowledge
Censorship and Alignment
Data Analysis and Insight Generation
Text Generation
Text Summarization and Feature Extraction
Code Generation
Multi-Language Support and Translation