What are the hardware requirements for Ulam 1 Small?

Ulam 1 Small requires approximately 6.2 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 Ulam 1 Small and how large is it?

Ulam 1 Small is developed by ulamai, a model with 3b 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 Ulam 1 Small?

Ulam 1 Small is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

Ulam 1 Small by ulamai — VRAM 6.2GB, 128K context

Name: Ulam 1 Small
Author: ulamai

Ulam 1 Small is an open-source language model by ulamai. Features: 3b LLM, VRAM: 6.2GB, Context: 128K, License: mit, LLM Explorer Score: 0.33.

Base model:finetune:weiboai/vi... Base model:weiboai/vibethinker... Conversational Dataset:ulamai/verified-math-o... Dataset:ulamai/verified-resear... En Endpoints compatible Math Model-index Qwen2 Reasoning Region:us Safetensors Sharded Tensorflow Ulam

Model Card on HF 🤗: https://huggingface.co/ulamai/Ulam-1-Small

Ulam 1 Small Parameters and Internals

LLM Name	Ulam 1 Small
Repository 🤗	https://huggingface.co/ulamai/Ulam-1-Small
Base Model(s)	VibeThinker 3B WeiboAI/VibeThinker-3B
Model Size	3b
Required VRAM	6.2 GB
Updated	2026-08-21
Maintainer	ulamai
Model Type	qwen2
Model Files	4.0 GB: 1-of-2 2.2 GB: 2-of-2
Supported Languages	en
Model Architecture	Qwen2ForCausalLM
License	mit
Context Length	131072
Model Max Length	131072
Transformers Version	5.14.1
Tokenizer Class	Qwen2Tokenizer
Padding Token	<\|endoftext\|>
Vocabulary Size	151936
Errors	replace

Rank the Ulam 1 Small 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 Ulam 1 Small

Best Alternatives	Context / RAM	Downloads	Likes
VibeThinker 3B	128K / 6.2 GB	52745	806
VibeThinker 3B	128K / 6.2 GB	361	0
...ibeThinker 3B SFT Fable5 Glint	128K / 6.2 GB	65	0
Saba1.5 Pro 3B	128K / 5.8 GB	9	1
...b Sft Stage1.2 Ss1 Expert Math	128K / 15.1 GB	12	0
... Formattedtext Math Wiki Merge	128K / 15.1 GB	12	0
...2 Ss1 Expert Fictional Lyrical	128K / 15.1 GB	6	0
...tage1.1 Ss1 With Math.no Issue	128K / 15.1 GB	6	0
...ware Howto Formattedtext Merge	128K / 15.1 GB	5	0
...1 No Redteam Skg Poem.no Issue	128K / 15.1 GB	7	0

Note: green Score (e.g. "73.2") means that the model is better than ulamai/Ulam-1-Small.