What are the hardware requirements for GPT Oss 20B ShiningValiant3?

GPT Oss 20B ShiningValiant3 requires approximately 41.6 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 GPT Oss 20B ShiningValiant3 and how large is it?

GPT Oss 20B ShiningValiant3 is developed by ValiantLabs, a model with 20b 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 GPT Oss 20B ShiningValiant3?

GPT Oss 20B ShiningValiant3 is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

GPT Oss 20B ShiningValiant3 by ValiantLabs — VRAM 41.6GB, 128K context

Name: GPT Oss 20B ShiningValiant3
Author: ValiantLabs

GPT Oss 20B ShiningValiant3 is an open-source language model by ValiantLabs. Features: 20b LLM, VRAM: 41.6GB, Context: 128K, License: apache-2.0, Instruction-Based, LLM Explorer Score: 0.2.

20b Agentic Analytical Architect Artificial-intelligence Astronomy Base model:finetune:openai/gpt... Base model:openai/gpt-oss-20b Biology Chat Chemistry Code Code-reasoning Cognition Complex-systems Compsci Computer-science Conversational Creative Creativity Cuda Dataset:sequelbox/celestia3-de... Dataset:sequelbox/mitakihara-d... Dataset:sequelbox/raiden-deeps... Deep-learning Deploy:azure Developer Earth-science En Endpoints compatible Engineer Epistemology Expert Game-theory Gpt Gpt-oss Gpt-oss-20b Gpt oss Information-theory Instruct Knowledge-management Linguistics Logic Machine-learning Math Ml-ops Neuromorphic Openai Philosophy Physics Problem-solving Rationality Reasoning Region:us Safetensors Science Science-reasoning Self-improvement Sharded Shining-valiant Shining-valiant-3 Simulation Tensorflow Valiant Valiant-labs

Model Card on HF 🤗: https://huggingface.co/ValiantLabs/gpt-oss-20b-ShiningValiant3

GPT Oss 20B ShiningValiant3 Parameters and Internals

LLM Name	GPT Oss 20B ShiningValiant3
Repository 🤗	https://huggingface.co/ValiantLabs/gpt-oss-20b-ShiningValiant3
Base Model(s)	GPT Oss 20B openai/gpt-oss-20b
Model Size	20b
Required VRAM	41.6 GB
Updated	2026-07-10
Maintainer	ValiantLabs
Model Type	gpt_oss
Instruction-Based	Yes
Model Files	4.5 GB: 1-of-9 4.9 GB: 2-of-9 4.9 GB: 3-of-9 4.9 GB: 4-of-9 4.9 GB: 5-of-9 4.9 GB: 6-of-9 4.9 GB: 7-of-9 4.9 GB: 8-of-9 2.8 GB: 9-of-9
Supported Languages	en
Model Architecture	GptOssForCausalLM
License	apache-2.0
Context Length	131072
Model Max Length	131072
Transformers Version	4.55.0
Tokenizer Class	PreTrainedTokenizerFast
Padding Token	<\|endoftext\|>
Vocabulary Size	201088
Torch Data Type	bfloat16

Rank the GPT Oss 20B ShiningValiant3 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

Best Alternatives to GPT Oss 20B ShiningValiant3

Best Alternatives	Context / RAM	Downloads	Likes
...ecurity 20B Merged Heretic Ara	128K / 41.6 GB	10	1
...T OSS Cybersecurity 20B Merged	128K / 41.6 GB	208	4

Note: green Score (e.g. "73.2") means that the model is better than ValiantLabs/gpt-oss-20b-ShiningValiant3.