The AI Citation Index dataset, every week
For GEO tools, SEO platforms and analysts: every answer we collect, every citation and the computed metrics, per vertical, delivered weekly. Build on it, benchmark against it, or backtest your own models.
What you get each week
Example size, Week 40 of the help desk vertical: 200 prompts, 600 planned answers, 80 brands tracked.
| File | One row per | Main fields |
|---|---|---|
answers.jsonl | prompt × engine × run | prompt, engine, timestamp, status, answer text and markdown, list items in order |
mentions.csv | brand named in an answer | answer id, brand, position in the list, matched alias |
citations.csv | cited source | answer id, position, URL, domain, domain type (review site, forum, media, brand) |
weekly_metrics.csv | brand × engine × week | mention rate and 95% range, average position, share of voice, citation share, week-over-week change |
One answer record
Abridged. Fields follow our published contract, so a new week never breaks your parser.
{
"schema": "aci.answer/v1",
"vertical": "help-desk",
"week": "2026-W39",
"engine": "gemini",
"prompt": {"id": "hd-017", "text": "Best help desk for a Shopify store", "intent": "recommendation"},
"run": 1,
"collected_at": "2026-09-21T14:02:11Z",
"status": "answered",
"answer": {
"text": "For a Shopify store, Lumenhelp is the most common pick because ...",
"is_list": true,
"list_items": [{"position": 1, "text": "Lumenhelp"}, {"position": 2, "text": "Kestrel Desk"}]
},
"mentions": [{"brand": "lumenhelp", "position": 1}, {"brand": "kestrel-desk", "position": 2}],
"citations": [{"position": 1, "url": "https://techpulse.example/shopify-help-desks", "domain": "techpulse.example"}]
}Common uses
Benchmark your tool
Check your own tracker's mention rates against an independent weekly sample.
Source intelligence
See which publishers and forums the engines cite, for outreach and digital PR.
Research
Study how answers vary between engines, runs and weeks, with the raw text kept.
Run your own prompts
The included API credits call the same ChatGPT, Gemini and SERP endpoints we use.
Want a sample week first?
Tell us what you are building and we will send one week of one vertical as CSV and JSON.