# Arc-decide model sizes and sources

> Arc-decide is DocsGPT's decision model for judgements such as prompt-injection checks. Version 0.2 has a 0.4B model for CPU use with ONNX Runtime.

Updated 2026-11-04 (Australia/Adelaide)

By Arc53 (DocsGPT) · Hugging Face v0.2 upload: 2026-10-11 · OPEN

The small decision model inside DocsGPT, used for quick judgements such as whether a message is a prompt injection or whether a chunk answers the question. It runs on CPU with ONNX Runtime. The date is when v0.2 went up on Hugging Face.

## Facts

- Sizes: arc-decide-0.4b-v0.2 for CPU; arc-decide-0.6b-v0.1 for NVIDIA GPUs with vLLM
- Licence: MIT, built on Qwen3 (Apache-2.0)

## Claims and sources



## Links

- [Source: Docs](<https://docs.docsgpt.cloud/Models/decision-model>)
- [Source: Hugging Face](<https://huggingface.co/Arc53/arc-decide-0.4b-v0.2>)

## Related projects

No related projects are listed in the registry.