What are the hardware requirements for ZY S1?

ZY S1 requires approximately 2.4 GB of VRAM and supports a context window of 4K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed ZY S1 and how large is it?

ZY S1 is developed by zyr-AGENT, a model with 1b 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 ZY S1?

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

ZY S1 by zyr-AGENT — VRAM 2.4GB, 4K context

Name: ZY S1
Author: zyr-AGENT

ZY S1 is an open-source language model by zyr-AGENT. Features: 1b LLM, VRAM: 2.4GB, Context: 4K, License: apache-2.0.

Base model:finetune:sapientinc... Base model:sapientinc/hrm-text... Endpoints compatible Hrm Hrm text India Language-model Prefixlm Preview Region:us Safetensors Sharded Tensorflow Zy-s1 Zyr

Model Card on HF 🤗: https://huggingface.co/zyr-AGENT/ZY-S1

ZY S1 Parameters and Internals

LLM Name	ZY S1
Repository 🤗	https://huggingface.co/zyr-AGENT/ZY-S1
Base Model(s)	HRM Text 1B sapientinc/HRM-Text-1B
Model Size	1b
Required VRAM	2.4 GB
Updated	2026-10-17
Maintainer	zyr-AGENT
Model Type	hrm_text
Model Files	2.0 GB: 1-of-2 0.4 GB: 2-of-2
Model Architecture	HrmTextForCausalLM
License	apache-2.0
Context Length	4096
Model Max Length	4096
Transformers Version	5.16.1
Tokenizer Class	Qwen2Tokenizer
Padding Token	<\|endoftext\|>
Vocabulary Size	65536

Rank the ZY S1 capabilities

Have you tried this model? Rate its performance — this feedback helps the ML community find the right model for their needs.

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

Best Alternatives to ZY S1

Best Alternatives	Context / RAM	Downloads	Likes
HRM Text 1B	4K / 2.4 GB	27320	806

Note: green Score (e.g. "73.2") means that the model is better than zyr-AGENT/ZY-S1.