Post-click conversion signals are provided by either the OpenAI JavaScript Pixel or the Conversions API to optimize toward conversions.

OpenAI will roll out conversion-optimized ChatGPT campaigns in Ads Manager Beta, with early access for accounts that have at least one conversion event flowing through either the JavaScript Pixel or the server-side Conversions API, and the rollout begins on June 5, 2026.

The June 1, 2026 deadline is an eligibility cutoff, not a feature gate; accounts must have a conversion event flowing through Pixel or Conversions API to qualify for early access.

Conversion campaigns are a distinct objective in the ChatGPT Ads Manager, requiring post-click conversion signals to optimize toward purchases or leads via the Pixel or Conversions API.

Conversion-optimized campaigns rely on conversion signals and sit alongside other objectives like Reach and Clicks, guiding delivery toward users likely to convert.

OpenAI’s growing advertising ecosystem includes privacy policy updates and an expanding ad tech partner network to support this measurement-driven approach.

OpenAI’s measurement architecture uses oppref first-party cookies via the Pixel and server-side Conversions API, enabling deduplication through a shared event_id and achieving parity with Meta’s conversions approach.

Deduplication between Pixel and Conversions API is achieved by matching Pixel ID, event name, event_id, and, for custom events, custom_event_name.

Industry adoption is accelerating, with partners like Criteo and StackAdapt reporting higher conversions in some retail categories compared with traditional search.

The shift to conversion-focused advertising signals a move for ChatGPT Ads toward performance outcomes, positioning it as a bona fide performance channel.

A broader rollout is planned with performance-focused features such as targeting, budgets, geo targeting, and performance reporting, including cost-per-action ads.

OpenAI’s timeline shows rapid expansion from a self-serve Ads Manager launch in early May to adding CPC bidding, Conversions API, custom audiences, and daily budgets in subsequent weeks.