What are the hardware requirements for ZAYA1 8B?

ZAYA1 8B requires approximately 17.7 GB of VRAM and supports a context window of 128K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed ZAYA1 8B and how large is it?

ZAYA1 8B is developed by Zyphra, a model with 8b 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 ZAYA1 8B?

ZAYA1 8B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

ZAYA1 8B by Zyphra — VRAM 17.7GB, 128K context

Name: ZAYA1 8B
Author: Zyphra

ZAYA1 8B is an open-source language model by Zyphra. Features: 8b LLM, VRAM: 17.7GB, Context: 128K, License: apache-2.0, LLM Explorer Score: 0.39.

Arxiv:2605.05365 Base model:finetune:zyphra/zay... Base model:zyphra/zaya1-reason... Eval-results Region:us Safetensors Sharded Tensorflow Zaya

Model Card on HF 🤗: https://huggingface.co/Zyphra/ZAYA1-8B

ZAYA1 8B Parameters and Internals

LLM Name	ZAYA1 8B
Repository 🤗	https://huggingface.co/Zyphra/ZAYA1-8B
Base Model(s)	Zyphra/ZAYA1-reasoning-base Zyphra/ZAYA1-reasoning-base
Model Size	8b
Required VRAM	17.7 GB
Updated	2026-07-14
Maintainer	Zyphra
Model Type	zaya
Model Files	5.2 GB: 1-of-4 5.0 GB: 2-of-4 5.0 GB: 3-of-4 2.5 GB: 4-of-4
Model Architecture	ZayaForCausalLM
License	apache-2.0
Context Length	131072
Model Max Length	131072
Transformers Version	5.10.0.dev0
Tokenizer Class	GemmaTokenizerFast
Padding Token	<pad>
Vocabulary Size	262272

Rank the ZAYA1 8B capabilities

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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

Quantized Models of the ZAYA1 8B

Model	Likes	Downloads	VRAM
Zaya1 Base 8B 8bit MLX	4	157	9 GB
ZAYA1 8B Bnb 4bit	3	41	5 GB

Best Alternatives to ZAYA1 8B

Best Alternatives	Context / RAM	Downloads	Likes
ZAYA1 8B Legacy	128K / 17.7 GB	27	0
Zaya1 Base 8B 8bit MLX	128K / 9.5 GB	157	4
ZAYA1 8B Bnb 4bit	128K / 5.4 GB	41	3