Advertising inside ChatGPT, explained.
Factual guides to the OpenAI Ads platform and to running it well, written from the platform documentation. No hype, no numbers we cannot back. Adsonomy is an independent product and is not affiliated with OpenAI.
Updated : five new guides on running ads in ChatGPT, from first steps to costsHow to run ads on ChatGPT
The whole process in eight steps: opening an OpenAI Ads account, conversion tracking, campaign structure, context hints, chat card and product ads, bids and budget, review and launch, then managing and measuring.
How ads in ChatGPT work: formats, targeting, bidding, billing and reporting
What OpenAI Ads in ChatGPT are, where they appear, how context hints target them, how bidding and billing work, and what reporting you get.
OpenAI Ads for Shopify, WooCommerce and BigCommerce shops
What a shop needs to advertise in ChatGPT: ad account, product feed, pixel, server-side conversions, OpenAI's Shopify app, and how Adsonomy connects each platform.
Ads in ChatGPT for service businesses: leads, appointments and trials
How a service business advertises in ChatGPT: lead conversion events, the CRM feedback loop, chat card creative and hints written from service pages.
OpenAI Ads Manager versus the Ads API: what each can do
What you can do in the OpenAI Ads Manager, what the API adds, what only partners can enable, the limits, and why a management layer sits on top.
Autopilot: how an AI ad manager should be constrained and held to account
How Adsonomy constrains Nomy, its AI manager: strategy and target, guardrails, policy per kind of change, what always needs a person, the journal, shadow mode and the daily brief.
OpenAI Ads conversion tracking: the pixel, browser events and the Conversions API
How to set up conversion measurement for ads in ChatGPT: create the pixel, install it, fire browser events with an event id, send the same events from your server with the Conversions API, and check that events arrive.
How ads in ChatGPT differ from search and social ads
No keyword auction, contextual matching by meaning, two creative formats, no audiences needed, billing per click or impression, and the controls that do not exist: dayparting, target CPA, webhooks. What that means for running an account.
Contextual targeting in ChatGPT ads: how context hints work and how to write them
What a context hint is, how to write hints as sentences, the ten angles to cover, the replace-on-update behaviour, the open question of language, and how to measure performance per angle.
Budgets, pacing and bidding strategies for ads in ChatGPT
Campaign budgets in micros, daily and lifetime limits, the account daily spend limit and spend limit windows, bidding types and strategies, what CPM, CPC, CPA, CPO and ROAS targets mean, how a controller emulates targets the platform lacks, plans and pacing, and guardrails.
Running ChatGPT ads in the US, the EU and Asia: what changes by market
Location targeting by country, region and market ids, custom audiences outside the EEA and Switzerland, consent expectations in the EU, currency and timezone per ad account, language per ad group as an assumption, and a one-campaign-per-market structure.
How to get access to ChatGPT ads and register
How a business gets access to ads in ChatGPT: where to sign up, the business and account details asked for, verification and review, adding a payment method, API keys and the features OpenAI enables per account.
Launch your first ChatGPT ads campaign: the step-by-step checklist
A step-by-step checklist for launching your first ChatGPT ads campaign: ad account, payment method, pixel and Conversions API, campaign build, targeting, budget, review and first-week checks.
Writing chat card creative for ChatGPT ads
Exact chat card limits for title, body, image and URL, what triggers a new review, product ad templates with a live price placeholder, and worked examples using fictional shops only.
ChatGPT Ads vs Google Ads: Search, Shopping and PMax
How ChatGPT's context hints compare with Google's keyword auction, Shopping feeds and Performance Max: ad formats, Smart Bidding versus fixed and maximise strategies, measurement, and when each platform fits better.
ChatGPT Ads vs Meta Ads: audiences, formats and bidding
How ChatGPT's context hints compare with Meta's audience-led targeting and Advantage+: ad formats, Pixel and Conversions API parallels, retargeting, bid strategies, and EU differences for advertisers on both platforms.
ChatGPT Ads vs Microsoft Advertising: how they compare
How ChatGPT ads compare with Microsoft Advertising: match types and Quality Score, Performance Max in open beta, Google Ads import, bidding, UET, LinkedIn targeting, and what ads in Copilot actually are.
ChatGPT Ads vs Amazon Ads: how they compare
How ChatGPT ads compare with Amazon Sponsored Products, Brands and Display: digital shelf versus advice-stage conversation, ASIN eligibility versus a feed, dynamic bids, and ACOS versus ROAS.
GEO, AEO and SEO versus paid ads in ChatGPT
How ChatGPT decides what to cite for free versus what runs as a paid, labelled ad: OAI-SearchBot, robots.txt controls, llms.txt as a convention (not a standard), and why a brand needs both.
OpenAI product feeds versus Google Merchant Center feeds
How OpenAI's SFTP product feeds for ChatGPT ads compare with Google Merchant Center feeds: file formats, required fields, submission methods, and how a shop reuses its existing Merchant Center or Channable feed.
Measuring ChatGPT ads: pixel, UTM, GA4 and incrementality
How OpenAI's pixel and Conversions API, UTM tagging and GA4 attribution fit together for ChatGPT ads: why platform and analytics numbers differ, where view-through lives, and testing incrementality with a geo holdout.
How to test ChatGPT ads: a budget and test plan
A budget-sizing formula, test length, one angle per ad group, geo and holdout splits, and decision criteria for testing ChatGPT ads next to Google and Meta, with no invented benchmark numbers.
ChatGPT ads for B2B and SaaS: leads, trials and CRM
How B2B and SaaS teams run ChatGPT ads: lead and trial conversion events, sending CRM stages without native connectors, chat card copy for software, comparison-intent hints, and the EU custom-audience limit.
The ChatGPT ads glossary: A to Z
A to Z definitions of ChatGPT and OpenAI Ads terms: ad account, chat card, context hint, micros, product feed, guardrails, GEO, AEO and more, each grounded in the platform's own documentation.
Marketplace ads vs ChatGPT ads: where to spend the next euro
You pay a marketplace commission to sell there, then pay again to be seen there. The break-even sum that decides which channel is actually cheaper per sale, what a ChatGPT conversation buys instead, and where marketplace ads still win.
ChatGPT ads as an alternative to bol.com advertising fees
A bol.com seller pays commission on every sale and pays bol again for sponsored placement inside bol. How advertising in ChatGPT reaches the same shopper earlier, and where bol advertising is still the better buy.
ChatGPT ads for Amazon sellers: where the next euro goes
You already pay a referral fee, often an FBA fee, and then a Sponsored Products bid on the same unit. What a ChatGPT ad buys instead, which destination to send it to, how to measure it, and what Sponsored Products still does better.
ChatGPT ads for brands selling on Zalando and Otto
What Zalando's Partner Program and OTTO Market charge per sale, what on-platform visibility buys on top, and where advertising in ChatGPT fits: an earlier moment, your own words, and no custom audiences in the EEA.
ChatGPT ads for a Shopify store, end to end
How a Shopify store runs ads in ChatGPT: installing the app, variants and catalogue, the product feed, the pixel and server-side orders, and the first campaign.
Running ChatGPT ads for a BigCommerce store, end to end
The BigCommerce path to advertising in ChatGPT: the store-level API account to create, what the catalogue needs, why variant prices read as zero elsewhere, how orders are measured, and the first campaign.
How much do ChatGPT ads cost? Pricing, bids and minimum budgets
No rate card: what you are billed for, the daily minimum per currency, why a day can spend twice the budget, how fixed and maximise bids work, and the arithmetic for a cost per click you can afford.
How to use OpenAI Ads Manager for ChatGPT ads: a screen-by-screen walkthrough
A walkthrough of every Ads Manager screen as of September 2026: the campaign, ad group and ad forms, conversions, feeds, audiences and reports, and what each form does not tell you.
ChatGPT ads best practices: 12 rules for setting up, launching and optimising campaigns
Twelve rules with the platform reason behind each: tracking first, one campaign per market, one ad group per angle, hints as situations, replacing creative, reading the budget and diagnosing delivery.
Are ChatGPT ads worth it? Who they suit, what they cost and how to find out
Who ChatGPT ads suit and who should wait, what you gain and give up compared with Google and Meta, what a proper test costs, and how to decide on your own data rather than someone else's benchmark.
Adsonomy is live. Free until 15 October 2026, then plans from EUR 49 a month. Connect an ad account and a product source, and run your first campaign the same afternoon.
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