What are the hardware requirements for Falcon H1 1.5B Instruct?

Falcon H1 1.5B Instruct requires approximately 3.1 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 Falcon H1 1.5B Instruct and how large is it?

Falcon H1 1.5B Instruct is developed by unsloth, a model with 1.5b 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 Falcon H1 1.5B Instruct?

Falcon H1 1.5B Instruct is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Falcon H1 1.5B Instruct by unsloth — VRAM 3.1GB, 128K context

Name: Falcon H1 1.5B Instruct
Author: unsloth

Falcon H1 1.5B Instruct is an open-source language model by unsloth. Features: 1.5b LLM, VRAM: 3.1GB, Context: 128K, License: other, Instruction-Based, LLM Explorer Score: 0.19.

Base model:finetune:tiiuae/fal... Base model:tiiuae/falcon-h1-1.... Conversational Endpoints compatible Falcon-h1 Falcon h1 Instruct Region:us Safetensors Unsloth

Model Card on HF 🤗: https://huggingface.co/unsloth/Falcon-H1-1.5B-Instruct

Falcon H1 1.5B Instruct Parameters and Internals

LLM Name	Falcon H1 1.5B Instruct
Repository 🤗	https://huggingface.co/unsloth/Falcon-H1-1.5B-Instruct
Base Model(s)	tiiuae/Falcon-H1-1.5B-Instruct tiiuae/Falcon-H1-1.5B-Instruct
Model Size	1.5b
Required VRAM	3.1 GB
Updated	2026-08-10
Maintainer	unsloth
Model Type	falcon_h1
Instruction-Based	Yes
Model Files	3.1 GB
Model Architecture	FalconH1ForCausalLM
License	other
Context Length	131072
Model Max Length	131072
Transformers Version	4.53.1
Tokenizer Class	PreTrainedTokenizerFast
Padding Token	<pad>
Vocabulary Size	65537
Torch Data Type	bfloat16

Rank the Falcon H1 1.5B Instruct 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 Falcon H1 1.5B Instruct

Best Alternatives	Context / RAM	Downloads	Likes
Falcon H1 1.5B Deep Instruct	128K / 3.1 GB	6933	39
Falcon H1 1.5B Instruct	128K / 3.1 GB	1121	17

Note: green Score (e.g. "73.2") means that the model is better than unsloth/Falcon-H1-1.5B-Instruct.