What launched today
Since August 24, 2026, OpenAI is rolling out advertising in ChatGPT across 31 European markets, Germany included. Affected are the free tier and the low-cost Go plan. Whoever pays for Plus, Pro, Business or Edu stays ad-free for now. In the US, the program has been running since February, and that is exactly why the look across the Atlantic pays off: there are real numbers there by now, not announcement prose.
For scale: ChatGPT has become the first stop for product and purchase questions for many people. An ad slot in that place is not another display network. It is the attempt to monetize the most commercial second of the internet: the moment somebody researches a buying decision.
What the ads look like
The format is the chat card: a short title, up to 100 characters of copy, an image, favicon and destination URL. The ad appears below the answer, clearly labeled as sponsored and visually separated from the answer text. There is a single ad per answer. OpenAI stresses that the answers themselves are not influenced by ad money.
Two details deserve attention. First: users can switch off ad personalization, not the ads themselves. Ad-free only comes with a subscription. Second: because only one ad per answer exists, the inventory is scarce. Scarce inventory with high context fit has historically been the most valuable in online marketing.
Pitfall number one: the crawler must reach your site
A detail missing from the launch coverage that bites immediately in practice: when you create a campaign, OpenAI crawls your landing page. The Ads Manager builds the ad preview from it, checks the page against the ad policies and uses the content to decide which questions the ad fits. The responsible crawler is called OAI-AdsBot, and you must allow it; OpenAI additionally recommends allowing OAI-SearchBot.
If access fails, the Ads Manager shows an error right in the onboarding and asks you to check your crawler settings. We saw this live on a client site today. According to OpenAI's own guidance there are three layers where it breaks:
- robots.txt: a disallow for the bot (or a blanket disallow) stops the crawl immediately. OpenAI respects the file strictly.
- Bot protection like Cloudflare or Akamai: these layers tend to treat the crawler as attack traffic and answer with 403. On Cloudflare the most common culprit is the managed "Block AI bots" rule (under Security, Bots): it blocks everything Cloudflare categorizes as an AI crawler, including the OpenAI bots you need for the ads. The fix is one click on "Do not block (allow crawlers)", or alternatively a targeted allowlist rule for the OpenAI user agents only.
- CAPTCHAs and JavaScript challenges: human checks on the application level naturally block automated systems, wanted ones included.
# robots.txt: allow OpenAI crawlers for ads (and search)
User-agent: OAI-AdsBot
Allow: /
User-agent: OAI-SearchBot
Allow: /robots.txtWhether your site lets the important AI crawlers through is something our free GEO checker shows in one minute; we added OAI-AdsBot today.
The US numbers since February
The US launch has produced half a year of data, and it tells a clear story:
- Prices fell quickly. OpenAI started around 60 dollars CPM with a 200,000 dollar minimum spend, a setup for corporate wallets. By early May the minimum was removed entirely and CPMs sat around 25 dollars. Reported click prices range from roughly 1.70 to 5 dollars depending on the source.
- Click rates are low. Typical is 0.3 to 1.5 percent, well below Google Search. That is by construction: one ad per answer, no ad block.
- Conversion rates are the real signal. Industry analyses see good commercial campaigns at 4 to 7 percent conversion rate, top performers above that, and thus above comparable Google Search and Meta values. Whoever clicks out of a concrete purchase question is far along in the decision process.
- The variance is huge. One publicly documented 15-day test landed at a blended ROAS of 1.49 at about 1.70 dollars CPC, with daily swings between 0.2 and 2.9. A young channel: no sure thing, but no flash in the pan either.
Important caveat: OpenAI itself has not published official benchmarks. All numbers come from agency and advertiser reports with limited samples. They work as directional signals, as planning baselines only with caution.
How to measure the channel
As tracking people, that was our first question, and the answer is pleasantly concrete. The OpenAI Ads Manager organizes campaigns, ad groups and ads and reports seven basic metrics. In Germany it runs as "Anzeigenmanager" still carrying a beta label, and account setup is self-service in a few steps: no sales call, no gatekeeping, anyone can open an advertiser account today. For conversions there are three paths: the oaiq JavaScript pixel in the browser, the server-side Conversions API and a no-JavaScript image tag fallback. If you know our articles, you can guess the recommendation: pixel plus Conversions API in parallel, cleanly through the tag manager, just like with Meta and friends.
Two peculiarities you need to know. First, the Ads Manager reports events with a lag of around seven hours, so no real-time optimization. Second, and more important: early US analyses suggest only about 40 percent of ChatGPT-driven conversions arrive in the click session. The rest trickles in later via direct visits and branded searches, and GA4 additionally undercounts the channel through referrer losses from apps and copied links. Without consistent UTM parameters and a measurement base that thinks beyond last click, you will systematically underestimate this channel.
What it means
For advertisers: there is a window right now of the kind that rarely exists. Prices have fallen from corporate threshold to test level, German auction pressure starts at zero, and the US data points to unusually purchase-ready clicks. Such windows close once the crowd arrives. The right answer is a controlled test with a clear budget, not a rebuild of the media plan.
For visibility overall: paid and organic grow together inside ChatGPT. The same platform cites sources, shows products from feeds and now sells ads. Whoever only books ads but stays invisible via GEO and delivers no product feed gives away half the surface.
For us concretely: we have our first client campaigns running in the OpenAI Ads Manager and are genuinely curious how the US patterns translate to Germany. As soon as the data holds up, we will publish the results here on the blog. What the channel can do, what the setup looks like and who should start now is on our new ChatGPT Ads page. If you want to talk directly: contact, the intro call is free.
FAQ
Who sees the ads?
Free and Go users. Plus, Pro, Business and Edu stay ad-free.
Can you turn the ads off?
No, only the personalization. Ad-free only comes with a subscription.
What does advertising in ChatGPT cost?
No official price lists for Germany exist. US reference points: CPMs around 25 dollars (down from 60 at launch), click prices between roughly 1.70 and 5 dollars, no minimum spend anymore.
How do you measure conversions?
oaiq pixel in the browser plus server-side Conversions API, plus UTM parameters on every destination URL. And patience: events arrive with hours of delay, many conversions come after the click session.
Start now or wait?
Test if your product is bought out of research questions and your measurement pipeline is in place. Wait if budget or tracking are not there yet. We have been running ads since 2006, and young channels reward those who measure cleanly early.