AI の回答 301025 件のデータ調査:ChatGPT、Gemini、Perplexity、Claude、Grok が Facebook をどのくらいの頻度で引用しているかを、13 か月にわたって月ごとに分析しました。

Facebook is cited in 0.85% of measured answers over the last three months, which places it ninth of the platforms tracked. It is cited by all five models, most often by Grok at 3.81% and least often by Claude at 0.11%.
Facebook is close to invisible on the analytical models and a significant source on the community driven one.
A citation rate of 2% means the source was cited twice for every 100 measured answers. Rates are computed per model against the number of answers of that model, so a model with a smaller sample never distorts a column. A source cited several times inside one answer is counted once per company block, which keeps a single verbose answer from dominating a month.
The gap between the model that cites Facebook most and the one that cites it least is 3.7 points. That spread, not the average, is what should decide a budget: the same work returns most on Grok and least on Claude. Across all tracked platforms, Facebook ranks ninth.
Over the 13 months measured, Facebook moved from 0.08% in August 2025 to 0.55% in August 2026, with a peak of 1.24% in July 2026. Averaged over the first three months against the last three, the movement is plus 0.65 points.
The pattern matches how the platform is used rather than how marketers rank it: groups and local pages are where answers about local services, food and events get their material. That gives a real but narrow lever. A complete, current page with correct hours and location can be quoted for a local question, while the same page contributes almost nothing to a considered business purchase. Treat it as local infrastructure, not as a citation strategy.
Every number on this page comes from the public Sorank dataset. The underlying figures, the monthly detail and the filters are available here:
Open the source data on data.sorank.com
Data updated on 2026-08-26.
This study is free to quote, in an article, a deck or a report. Please cite the source and the measurement period, because the numbers move every month.
Sorank (2026). Facebook AI Citation Study: Does Facebook Get You Cited by the AIs. Sorank GEO studies, measured on 301025 AI answers collected between August 2025 and August 2026. Available at https://www.sorank.com/data/facebook-ai-citation-study
The same panel, read from another angle:
This study describes a market. Sorank measures your site: which questions mention you, which mention someone else, and what to publish to change that, tracked weekly across the same five AI.
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Facebook は、測定した 5 つのモデルすべてに引用されています。最も多く引用しているのは Grok で回答の 3.81%、最も少ないのは Claude で 0.11% です。モデルごとの詳しい内訳はこのページにあります。
2025 年 8 月から 2026 年 8 月までに 5 つの AI から集めた 301025 件の回答をもとに、引用されたすべての情報源を抽出して正規化しました。引用率は、測定した回答 100 件あたりの引用数です。公開データセットは data.sorank.com にあります。
地域のビジネスにとっては、モデルが読み取れる基本的な情報の一部であり続けています。B2B の売り手にとっては、投資に見合う引用を生むという証拠は、このデータセットにはありません。
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