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

GPT Oss 20B Chess requires approximately 13.8 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 Chess and how large is it?

GPT Oss 20B Chess is developed by trl-lib, 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 Chess?

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

GPT Oss 20B Chess by trl-lib — VRAM 13.8GB, 128K context

Name: GPT Oss 20B Chess
Author: trl-lib

GPT Oss 20B Chess is an open-source language model by trl-lib. Features: 20b LLM, VRAM: 13.8GB, Context: 128K, License: apache-2.0.

8-bit Base model:openai/gpt-oss-20b Base model:quantized:openai/gp... Chess Conversational Dataset:trl-lib/chess-puzzles Endpoints compatible Gpt oss Mxfp4 Region:us Safetensors Sft Trl

Model Card on HF 🤗: https://huggingface.co/trl-lib/gpt-oss-20b-chess

GPT Oss 20B Chess Parameters and Internals

LLM Name	GPT Oss 20B Chess
Repository 🤗	https://huggingface.co/trl-lib/gpt-oss-20b-chess
Base Model(s)	GPT Oss 20B openai/gpt-oss-20b
Model Size	20b
Required VRAM	13.8 GB
Updated	2026-11-05
Maintainer	trl-lib
Model Type	gpt_oss
Model Files	13.8 GB
Model Architecture	GptOssForCausalLM
License	apache-2.0
Context Length	131072
Model Max Length	131072
Transformers Version	5.23.0.dev0
Tokenizer Class	TokenizersBackend
Padding Token	<\|endoftext\|>
Vocabulary Size	201088

Rank the GPT Oss 20B Chess 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
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Code Generation
Multi-Language Support and Translation

Best Alternatives to GPT Oss 20B Chess

Best Alternatives	Context / RAM	Downloads	Likes
GPT Oss 20B	128K / 13.8 GB	7983620	4849
OTel LLM 20B Reasoning	128K / 83.8 GB	1040	1
GPT Oss 20B	128K / 13.8 GB	16416	47
GPT Oss Safeguard 20B	128K / 13.8 GB	154333	239
GPT OSS 20B NPU2	128K / GB	390025	1
Context 1	128K / 41.8 GB	726	414
Atlasv25 TRM Gptoss 20B	128K / 41.8 GB	579	0
OptiMind SFT	128K / 42 GB	15767	102
OTel LLM 20B IT	128K / 83.8 GB	41	1
GPT Oss 20B Heretic Ara V4	128K / 13.8 GB	5339	13

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