What are the hardware requirements for Open 1B Sft?

Open 1B Sft requires approximately 6.4 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 Open 1B Sft and how large is it?

Open 1B Sft is developed by Gensyn, 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 Open 1B Sft?

Open 1B Sft is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Open 1B Sft by Gensyn — VRAM 6.4GB, 4K context

Name: Open 1B Sft
Author: Gensyn

Open 1B Sft is an open-source language model by Gensyn. Features: 1b LLM, VRAM: 6.4GB, Context: 4K, License: apache-2.0, LLM Explorer Score: 0.37.

Base model:finetune:gensyn/ope... Base model:gensyn/open-1b-midt... Conversational Custom code Dataset:allenai/tulu-3-sft-olm... En Gensyn Open1b Region:us Repops Reproducible-training Safetensors Verifiable-training

Model Card on HF 🤗: https://huggingface.co/Gensyn/open-1b-sft

Open 1B Sft Parameters and Internals

LLM Name	Open 1B Sft
Repository 🤗	https://huggingface.co/Gensyn/open-1b-sft
Base Model(s)	Open 1B Midtrained 93B Gensyn/open-1b-midtrained-93B
Model Size	1b
Required VRAM	6.4 GB
Updated	2026-09-18
Maintainer	Gensyn
Model Type	open1b
Model Files	6.4 GB
Supported Languages	en
Model Architecture	Open1BForCausalLM
License	apache-2.0
Context Length	4096
Model Max Length	4096
Tokenizer Class	PreTrainedTokenizerFast
Vocabulary Size	128256
Torch Data Type	bfloat16

Rank the Open 1B Sft 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

Best Alternatives to Open 1B Sft

Best Alternatives	Context / RAM	Downloads	Likes
Open 1B Base	4K / 6.4 GB	173	7
Open 1B Midtrained 93B	4K / 6.4 GB	248	4