I added barcode scanning to my AI pricing app – 92% cheaper per scan

Show HN: I added barcode scanning to my AI pricing app – 92% cheaper per scan

I added barcode scanning to my AI pricing app – 92% cheaper per scan operates in show hn launch.

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I built Underpriced AI, an app that identifies items from photos using Claude Vision and prices them using real sold data from 6 marketplaces (eBay, Poshmark, Mercari, etc.).This week I added barcode scanning as an alternative input. The interesting part is the cost savings:Photo scan: Claude Sonnet 4.6 Vision (~$0.05) + Perplexity Sonar (~$0.004) = ~$0.054/scan Barcode scan: UPCitemdb lookup (free) + Perplexity Sonar (~$0.004) = ~$0.004/scan For items with UPC/EAN barcodes (retail arbitrage, new-in-box products), this skips the vision model entirely. The UPC database returns the exact product, so confidence is actually higher than AI identification.Technical details:Browser-based barcode de

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

The company is listed at the Show HN launch stage of development.

Website: underpricedai.com