Guitar Dictionary is a Japanese guitar reference and price-comparison site that organizes information by manufacturer and model. Its catalog brings together 1,710 models, with a dedicated page for each, making it easier for visitors to compare instruments and review available product details. Prices and marketplace listings are gathered from Rakuten Market using real data obtained through its API, while specifications are collected from manufacturers’ official sources.

The catalog covers a broad range of established guitar brands, including Ibanez, Yamaha, Fender, Gibson, Martin, Taylor, Gretsch, PRS, and Squier, alongside many others. The amount of specification information varies by brand: for example, the site lists 187 Ibanez models, including specifications for 164, and 176 Yamaha models, with specifications for 129. Some brands have model listings without included specifications.

By combining manufacturer-organized catalog pages, official specifications where available, and cross-listing price comparisons, Guitar Dictionary serves as a practical browsing and research resource for people exploring guitar models and their marketplace availability.