What are the hardware requirements for Sailor 4B Chat?

Sailor 4B Chat requires approximately 7.9 GB of VRAM and supports a context window of 32K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed Sailor 4B Chat and how large is it?

Sailor 4B Chat is developed by sail, a model with 4b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

How does Sailor 4B Chat perform on standard benchmarks?

Sailor 4B Chat has the following published scores: MMLU 43.96. Compare against reference models on this page or on the LLM Explorer leaderboards.

Sailor 4B Chat by sail — VRAM 7.9GB, 32K context

Name: Sailor 4B Chat
Author: sail

Sailor 4B Chat is an open-source language model by sail. Features: 4b LLM, VRAM: 7.9GB, Context: 32K, License: apache-2.0, Instruction-Based, LLM Explorer Score: 0.15, Arc: 45.1, HellaSwag: 68.4, MMLU: 44, GSM8K: 9.1.

Arxiv:2404.03608 Base model:finetune:sail/sailo... Base model:sail/sailor-4b Chat Conversational Dataset:cohereforai/aya collec... Dataset:cohereforai/aya datase... Dataset:open-orca/openorca En Id Instruct Instruction Lo Ms Multilingual Qwen2 Region:us Safetensors Sailor Sea Sft Th Vi Zh

Model Card on HF 🤗: https://huggingface.co/sail/Sailor-4B-Chat

Sailor 4B Chat Parameters and Internals

LLM Name	Sailor 4B Chat
Repository 🤗	https://huggingface.co/sail/Sailor-4B-Chat
Base Model(s)	Sailor 4B sail/Sailor-4B
Model Size	4b
Required VRAM	7.9 GB
Updated	2026-07-17
Maintainer	sail
Model Type	qwen2
Instruction-Based	Yes
Model Files	7.9 GB
Supported Languages	en zh id th vi ms lo
Model Architecture	Qwen2ForCausalLM
License	apache-2.0
Context Length	32768
Model Max Length	32768
Transformers Version	4.37.2
Tokenizer Class	Qwen2Tokenizer
Padding Token	<\|endoftext\|>
Vocabulary Size	151936
Torch Data Type	bfloat16
Errors	replace

Rank the Sailor 4B Chat 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 Sailor 4B Chat

Best Alternatives	Context / RAM	Downloads	Likes
Qwarkstar 4B Instruct Preview	32K / 9 GB	2	2
Qwarkstar 4B Instruct	32K / 9 GB	30	1
Nusantara 4B Indo Chat	32K / 7.9 GB	59	2
Duloxetine 4B V1	32K / 7.9 GB	7	3
Qwen1.5 4B Chat Paraph	32K / 7.9 GB	7	0

Note: green Score (e.g. "73.2") means that the model is better than sail/Sailor-4B-Chat.