What are the hardware requirements for ChemDFM V1.0 13B?

ChemDFM V1.0 13B requires approximately 26.2 GB of VRAM and supports a context window of 2K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed ChemDFM V1.0 13B and how large is it?

ChemDFM V1.0 13B is developed by OpenDFM, a model with 13b 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 ChemDFM V1.0 13B?

ChemDFM V1.0 13B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

ChemDFM V1.0 13B by OpenDFM — VRAM 26.2GB, 2K context

Name: ChemDFM V1.0 13B
Author: OpenDFM

ChemDFM V1.0 13B is an open-source language model by OpenDFM. Features: 13b LLM, VRAM: 26.2GB, Context: 2K, License: agpl-3.0, LLM Explorer Score: 0.12.

Arxiv:2401.14818 Arxiv:2507.21990 Chemistry Doi:10.57967/hf/4606 En Endpoints compatible Llama Region:us Safetensors Sharded Tensorflow Zh

Model Card on HF 🤗: https://huggingface.co/OpenDFM/ChemDFM-v1.0-13B

ChemDFM V1.0 13B Parameters and Internals

LLM Name	ChemDFM V1.0 13B
Repository 🤗	https://huggingface.co/OpenDFM/ChemDFM-v1.0-13B
Model Size	13b
Required VRAM	26.2 GB
Updated	2026-08-07
Maintainer	OpenDFM
Model Type	llama
Model Files	5.0 GB: 1-of-6 5.0 GB: 2-of-6 4.9 GB: 3-of-6 4.9 GB: 4-of-6 4.9 GB: 5-of-6 1.5 GB: 6-of-6
Supported Languages	en zh
Model Architecture	LlamaForCausalLM
License	agpl-3.0
Context Length	2048
Model Max Length	2048
Transformers Version	4.35.0
Tokenizer Class	LlamaTokenizer
Padding Token	[PAD]
Vocabulary Size	39409
Torch Data Type	float16

Rank the ChemDFM V1.0 13B 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 ChemDFM V1.0 13B

Best Alternatives	Context / RAM	Downloads	Likes
Luminaura RP 13B	128K / 26 GB	9	1
Yarn Llama 2 13B 128K	128K / 26 GB	184	113
Agent Llama2 13B 80K	80K / 26.4 GB	5	0
Chat Llama2 13B 80K	80K / 52.8 GB	5	0
LongAlign 13B 64K	64K / 26 GB	96	13
LongAlign 13B 64K Base	64K / 26 GB	89	3
LongAlign 13B 64K	64K / 26 GB	11	13
LongAlign 13B 64K Base	64K / 26 GB	6	3
Openbuddy Llama2 13B V15p1 64K	64K / 26.1 GB	4	4
Openbuddy Llama2 13b64k V15	64K / 26.1 GB	12	2

Note: green Score (e.g. "73.2") means that the model is better than OpenDFM/ChemDFM-v1.0-13B.