organization · inferred from evidence
Mistral
Organization that shipped a change to PDF processing and later deployed a fix.
- Mistral OCR rejects valid PDFs: `document_parser_invalid_file` (error 3740)
Yes, this was a Mistral-side bug, not your file. On 2026-04-11 Mistral shipped a bad change to their PDF processing that rejected certain valid PDFs — in your case, PDFs whose image objects carry a null `/Matte` reference (an optional PDF 1
- Function calling broke with Tool call id has to be defined on open-mixtral-8x22b and mistral-small-latest
If function calling on open-mixtral-8x22b or mistral-small-latest fails with "Tool call id has to be defined", you are hitting the multi-tool-call change Mistral rolled out to those models. Tool responses now need the tool call id that the