Custom GPT
Seller Optimizer
Helps optimize Amazon product listings to improve sales, with Japanese prompts for getting started selling on Amazon.
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ecommerceguide summary
Seller Optimizer is a custom GPT that works on Amazon product listings, described by its builder as optimising them for maximum sales potential. It runs inside ChatGPT and has browsing and image generation enabled. Its three conversation starters are written in Japanese and ask about getting started selling on Amazon and what to input first. Published by Taiki Kobayashi, a verified builder, with 20+ conversations recorded. OpenAI has scheduled custom GPTs to retire on 11 December 2026.
Why it stands out
Built by verified individual builder Taiki Kobayashi, with Japanese conversation starters aimed at people beginning to sell on Amazon.
What Seller Optimizer does
ecommerceguide editorial- Custom GPT focused on Amazon product listing optimisation
- Conversation starters are in Japanese, covering how to begin selling
- Browsing and image generation tools enabled in the GPT
- Published by Taiki Kobayashi, listed as a verified builder
- Recorded at 20+ conversations in the ChatGPT store
- Runs inside ChatGPT; no store integration or setup
Categories and use cases
Sources
ecommerceguide profiles are built from public product information and written for ecommerce teams. We do not test products, and paying never changes where a listing ranks.
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