PDF processing engine not working
Author: noonkhoCreated Sep 17, 2026Updated Sep 17, 2026
Describe the bug Can't use the document upload feature in the oMLX Chat.
Error message: Error: {"error":{"message":"MarkItDown PDF OCR model not found: GLM-OCR-bf16","type":"invalid_request_error","param":null,"code":null}}
when there is no GLM-OCR-bf16 downloaded at all.
To Reproduce Steps to reproduce the behavior:
- Turn on Markitdown in the integration settings, PDF processing engine only has 'MarkItDown' despite I have jwindle47/chandra-ocr-2-8bit-mlx downloaded and loaded (could be a bug too?).
- Go to oMLX Chat, you can see that other than the Search Internet Icon in the text bar, there will be an upload document button
- Upload some pdf, docx files and enter a prompt with a selected model. (I use DeepSeek-V4-Flash-0731-oQ8e-mtp)
- Error
Expected behavior Error message is "Error: {"error":{"message":"MarkItDown PDF OCR model not found: GLM-OCR-bf16","type":"invalid_request_error","param":null,"code":null}}".
It's weird to see that the error message mention GLM-OCR-bf16 because I deleted it from omlx previous and the integration settings has no select option for GLM-OCR-bf16 anymore.
Screenshots
Desktop (please complete the following information):
- macOS Version: 26.4.1
- oMLX Version: v0.6.4
Source: jundot/omlx