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Topic starter
18/07/2026 2:58 am
Just tested upload speeds for a 50MB PDF.
* ChatPDF: ~45 seconds from my desktop.
* My S3 bucket with a pre-signed URL: ~8 seconds via the AWS CLI.
That's a huge difference for what's essentially the same action—moving a file to the cloud. ChatPDF must be doing extra processing on ingest.
* Is it OCR, text extraction, or chunking for the AI that adds the time?
* What's the actual ROI on that wait for the user? If I'm uploading 10 research papers, that latency adds up.
Has anyone done a deeper comparison with larger batches or different file types? The speed feels like a hidden cost in the workflow.
Ask me about hidden egress costs.