What are the hardware requirements for UltraLM 65B?

UltraLM 65B requires approximately 130.4 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 UltraLM 65B and how large is it?

UltraLM 65B is developed by openbmb, a model with 65b parameters. The model is published as open weights on Hugging Face and indexed on LLM Explorer with full benchmark history.

How does UltraLM 65B perform on standard benchmarks?

UltraLM 65B has the following published scores: MMLU 63.48. Compare against reference models on this page or on the LLM Explorer leaderboards.

UltraLM 65B by openbmb — VRAM 130.4GB, 2K context

Name: UltraLM 65B
Author: openbmb

UltraLM 65B is an open-source language model by openbmb. Features: 65b LLM, VRAM: 130.4GB, Context: 2K, LLM Explorer Score: 0.09, Arc: 67.1, HellaSwag: 85, MMLU: 63.5, GSM8K: 32.8.

Arxiv:2305.14233 Dataset:stingning/ultrachat Endpoints compatible Llama Pytorch Region:us Sharded

Model Card on HF 🤗: https://huggingface.co/openbmb/UltraLM-65b

UltraLM 65B Parameters and Internals

Model Type

chat language model

LLM Name	UltraLM 65B
Repository 🤗	https://huggingface.co/openbmb/UltraLM-65b
Model Size	65b
Required VRAM	130.4 GB
Updated	2026-08-06
Maintainer	openbmb
Model Type	llama
Model Files	9.9 GB: 1-of-14 9.7 GB: 2-of-14 9.7 GB: 3-of-14 9.7 GB: 4-of-14 9.7 GB: 5-of-14 9.7 GB: 6-of-14 9.7 GB: 7-of-14 9.7 GB: 8-of-14 9.7 GB: 9-of-14 9.7 GB: 10-of-14 9.7 GB: 11-of-14 9.7 GB: 12-of-14 9.7 GB: 13-of-14 4.1 GB: 14-of-14
Model Architecture	LlamaForCausalLM
Context Length	2048
Model Max Length	2048
Transformers Version	4.30.2
Tokenizer Class	LlamaTokenizer
Beginning of Sentence Token	<s>
End of Sentence Token	</s>
Unk Token	<unk>
Vocabulary Size	32000
Torch Data Type	float16

Rank the UltraLM 65B 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 UltraLM 65B

Best Alternatives	Context / RAM	Downloads	Likes
Kiyo 65M	2K / 0.1 GB	1456	2
Lite Oute 1 65M	2K / 0.3 GB	23	12
Lite Oute 1 65M Instruct	2K / 0.3 GB	15	12
StableBeluga1 Delta	2K / 130.4 GB	146	57
Airoboros 65B Gpt4 M2.0	2K / 130.4 GB	850	0
Airoboros 65B Gpt4 2.0	2K / 130.4 GB	435	0
Openbuddy Llama 65B V8 Bf16	2K / 130.6 GB	177	9
Airoboros 65B Gpt4 1.4	2K / 130.4 GB	163	17
Llama 1 65B Hf	2K / 130.4 GB	14	1
Llama 65B Instruct	2K / 130.4 GB	198	15

Note: green Score (e.g. "73.2") means that the model is better than openbmb/UltraLM-65b.