FlipPrice: snap a photo, get a price you can actually sell at

说明与用途

FlipPrice 让转售商快速识别商品，查找真实 eBay 销售记录，并生成可直接发布的列表，节省时间并提高定价准确性。

问题

Resellers spend too much time identifying items, finding comparable sold listings, and writing accurate listings, which reduces profitability.

结果

FlipPrice reduced the time per listing by merging identification and listing generation into one call, improved pricing accuracy by filtering eBay comps and using seller history, and allowed users to correct errors instantly.

工作流

• Take a photo of the item
• Gemma 4 vision model extracts brand, model, type, condition, era and writes a listing
• SerpApi eBay sold search returns comparable listings filtered by model/brand
• If ≥10 sales in the same category, TabPFN predicts price from the seller’s own history; otherwise median and quartiles of eBay comps are used
• Display suggested price, range, closest listings and listing text to the user
• User can edit brand/model if incorrect, triggering instant re‑pricing
• User marks item as sold to update sales history
• Repeat for next item

证据

Gemma 4 (26B-A4B, open-weight) does the seeing and writing. One call reads the photo, returns structured fields (brand, model, item type, condition, era) and writes the listing.

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SerpApi fetches live eBay sold listings, which keeps prices grounded in what's selling this week.

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TabPFN fits on your history at request time, in-process, with no training pipeline, and returns a median plus a 25–75% range.

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