Short answer
The key ChatGPT ads terms are context hints (relevance descriptions, not keywords), oppref (the click reference), oCPC and oCPM (conversion-optimised billing per click or impression), Maximize results (automatic bidding), budget week (Sunday to Saturday), view-through (conversion within one day of an impression) and OAI-AdsBot (the landing page crawler).
Glossary
| Term | Meaning |
|---|---|
| Context hints | Phrases describing when your ad is relevant; not keywords |
| Negative phrases | Brand-safety exclusions for qualifying advertisers |
| Views / Clicks / Conversions | The three objectives |
| oCPC / oCPM | Conversion-optimised, billed per click or per 1,000 impressions |
| Maximize results | Automatic bidding toward the goal |
| Manual: Max bid | Your own bid ceiling |
| Bid cap | Maximum bid for a conversion |
| Budget week | Sunday–Saturday in the account time zone |
| oppref | Click reference added to landing URLs |
| Event Quality | Daily assessment of conversion data |
| View-through | Conversion within 1 day of an impression without a click |
| Custom audience | Uploaded list of hashed identifiers |
| OAI-AdsBot | Crawler that reviews ad landing pages |
| Product feed campaign | Campaign built from a product catalog |
Questions
Where is the official reference?
OpenAI's Help Center ChatGPT Ads collection.
Facts checked against the sources below on 12 October 2026. Platforms change quickly: if something here no longer matches what you see, tell us and we will update it.
Sources
- OpenAI Help Center: Ads in ChatGPT, the basics
- OpenAI Help Center: Conversion-optimized campaigns
- OpenAI Help Center: Maximize results bid strategy
- OpenAI Help Center: Daily budgets
- OpenAI Help Center: Conversion measurement
- OpenAI Help Center: Understand and improve event quality
- OpenAI Help Center: Measure results
- OpenAI Help Center: Allowing OpenAI web crawlers
- OpenAI Help Center: Create campaigns from product feeds
