What are the hardware requirements for Cassiopeia 70B?

Cassiopeia 70B requires approximately 141.2 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 Cassiopeia 70B and how large is it?

Cassiopeia 70B is developed by ddh0, a model with 70b 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 Cassiopeia 70B?

Cassiopeia 70B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Cassiopeia 70B by ddh0 — VRAM 141.2GB, 128K context

Name: Cassiopeia 70B
Author: ddh0

Cassiopeia 70B is an open-source language model by ddh0. Features: 70b LLM, VRAM: 141.2GB, Context: 128K, License: unknown, LLM Explorer Score: 0.19.

Base model:delta-vector/shimam... Base model:merge:delta-vector/... Base model:merge:meta-llama/ll... Base model:merge:thedrummer/an... Base model:meta-llama/llama-3.... Base model:thedrummer/anubis-7... Llama Region:us Safetensors Sharded Tensorflow

Model Card on HF 🤗: https://huggingface.co/ddh0/Cassiopeia-70B

Cassiopeia 70B Parameters and Internals

LLM Name	Cassiopeia 70B
Repository 🤗	https://huggingface.co/ddh0/Cassiopeia-70B
Base Model(s)	meta-llama/Llama-3.3-70B-Instruct Shimamura 70B TheDrummer/Anubis-70B-v1.1 meta-llama/Llama-3.3-70B-Instruct Delta-Vector/Shimamura-70B TheDrummer/Anubis-70B-v1.1
Model Size	70b
Required VRAM	141.2 GB
Updated	2026-08-02
Maintainer	ddh0
Model Type	llama
Model Files	9.8 GB: 1-of-15 9.8 GB: 2-of-15 10.0 GB: 3-of-15 9.8 GB: 4-of-15 9.8 GB: 5-of-15 9.8 GB: 6-of-15 10.0 GB: 7-of-15 9.8 GB: 8-of-15 9.8 GB: 9-of-15 9.8 GB: 10-of-15 10.0 GB: 11-of-15 9.8 GB: 12-of-15 9.8 GB: 13-of-15 9.8 GB: 14-of-15 3.4 GB: 15-of-15
Model Architecture	LlamaForCausalLM
License	unknown
Context Length	131072
Model Max Length	131072
Transformers Version	4.47.0.dev0
Tokenizer Class	PreTrainedTokenizerFast
Padding Token	<\|finetune_right_pad_id\|>
Vocabulary Size	128256
Torch Data Type	bfloat16

Rank the Cassiopeia 70B 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

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... Chat 1048K Chinese Llama3 70B	1024K / 141.9 GB	9069	5
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...ama 3 70B Arimas Story RP V1.6	256K / 141.2 GB	5	0
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