What are the hardware requirements for SWE Dev 9B?

SWE Dev 9B requires approximately 18.8 GB of VRAM. Quantized variants may run on less VRAM; see the Quantized Models section on this page.

Who developed SWE Dev 9B and how large is it?

SWE Dev 9B is developed by zai-org, a model with 9b 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 SWE Dev 9B?

SWE Dev 9B is hosted on Hugging Face and linked from this page. LLM Explorer also lists quantized variants and similar alternatives if available.

SWE Dev 9B by zai-org — VRAM 18.8GB

Name: SWE Dev 9B
Author: zai-org

SWE Dev 9B is an open-source language model by zai-org. Features: 9b LLM, VRAM: 18.8GB, License: mit, LLM Explorer Score: 0.18.

Arxiv:2506.07636 Chatglm Custom code Region:us Safetensors Sharded Tensorflow

Model Card on HF 🤗: https://huggingface.co/zai-org/SWE-Dev-9B

SWE Dev 9B Parameters and Internals

LLM Name	SWE Dev 9B
Repository 🤗	https://huggingface.co/zai-org/SWE-Dev-9B
Model Size	9b
Required VRAM	18.8 GB
Updated	2026-08-03
Maintainer	zai-org
Model Type	chatglm
Model Files	5.0 GB: 1-of-4 4.9 GB: 2-of-4 4.9 GB: 3-of-4 4.0 GB: 4-of-4
Model Architecture	ChatGLMForConditionalGeneration
License	mit
Model Max Length	128000
Transformers Version	4.46.1
Tokenizer Class	ChatGLM4Tokenizer
Padding Token	<\|endoftext\|>
Vocabulary Size	151552
Torch Data Type	bfloat16

Rank the SWE Dev 9B 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 SWE Dev 9B

Best Alternatives	Context / RAM	Downloads	Likes
Cogagent 9B 20241220	0K / 27.9 GB	1615	54
LongWriter Glm4 9B	0K / 18.8 GB	338	124
LongWriter Glm4 9B	0K / 18.8 GB	278	132
LongWriter Glm4 9B Abliterated	0K / 18.8 GB	13	8

Note: green Score (e.g. "73.2") means that the model is better than zai-org/SWE-Dev-9B.