What are the hardware requirements for GLM 5.1 555B?

GLM 5.1 555B requires approximately 1126.2 GB of VRAM and supports a context window of 198K tokens. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed GLM 5.1 555B and how large is it?

GLM 5.1 555B is developed by 0xSero, a model with 562.7b 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 GLM 5.1 555B?

GLM 5.1 555B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

GLM 5.1 555B by 0xSero — VRAM 1126.2GB, 198K context

Name: GLM 5.1 555B
Author: 0xSero

GLM 5.1 555B is an open-source language model by 0xSero. Features: 562.7b LLM, VRAM: 1126.2GB, Context: 198K, License: other, MoE, LLM Explorer Score: 0.23.

Arxiv:2510.13999 Base model:finetune:zai-org/gl... Base model:zai-org/glm-5.1 Conversational Do-not-use-in-production Endpoints compatible Experimental Expert-pruning Glm Glm moe dsa Moe Pruning Reap Region:us Safetensors Sharded Tensorflow Unverified

Model Card on HF 🤗: https://huggingface.co/0xSero/GLM-5.1-555B

GLM 5.1 555B Parameters and Internals

LLM Name	GLM 5.1 555B
Repository 🤗	https://huggingface.co/0xSero/GLM-5.1-555B
Base Model(s)	zai-org/GLM-5.1 zai-org/GLM-5.1
Model Size	562.7b
Required VRAM	1126.2 GB
Updated	2026-09-02
Maintainer	0xSero
Model Type	glm_moe_dsa
Model Files	40.9 GB: 1-of-26 44.8 GB: 2-of-26 44.8 GB: 3-of-26 44.8 GB: 4-of-26 44.8 GB: 5-of-26 44.8 GB: 6-of-26 44.8 GB: 7-of-26 44.8 GB: 8-of-26 44.8 GB: 9-of-26 44.8 GB: 10-of-26 44.8 GB: 11-of-26 44.8 GB: 12-of-26 44.8 GB: 13-of-26 44.8 GB: 14-of-26 44.8 GB: 15-of-26 44.8 GB: 16-of-26 44.8 GB: 17-of-26 44.8 GB: 18-of-26 44.8 GB: 19-of-26 44.8 GB: 20-of-26 44.8 GB: 21-of-26 44.8 GB: 22-of-26 44.8 GB: 23-of-26 44.8 GB: 24-of-26 44.8 GB: 25-of-26 10.1 GB: 26-of-26
Model Architecture	GlmMoeDsaForCausalLM
License	other
Context Length	202752
Model Max Length	202752
Transformers Version	5.4.0
Tokenizer Class	TokenizersBackend
Padding Token	<\|endoftext\|>
Vocabulary Size	154880

Rank the GLM 5.1 555B capabilities

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Instruction Following and Task Automation
Factuality and Completeness of Knowledge
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Data Analysis and Insight Generation
Text Generation
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Multi-Language Support and Translation

Best Alternatives to GLM 5.1 555B

Best Alternatives	Context / RAM	Downloads	Likes
GLM 5.1 555B A14B REAP	198K / 1126.2 GB	154	2

Note: green Score (e.g. "73.2") means that the model is better than 0xSero/GLM-5.1-555B.