ChatGPT ad specs
A ChatGPT ad has a title of up to 50 characters, copy of up to 100 characters and a square image up to 1200 by 1200 pixels. OpenAI recommends much shorter text: 16 to 24 characters for the title and 32 to 48 for the copy.
Checked Sept 23, 2026 against 3 sources
The six parts of every ad
| Part | Rule |
|---|---|
| Advertiser name | Your business name |
| Favicon | Your logo, small |
| Title | 50 characters max, 16 to 24 recommended |
| Copy | 100 characters max, 32 to 48 recommended |
| Image | PNG or JPG, square, no larger than 1200 x 1200 pixels, publicly reachable URL |
| Landing page | A working page that does not block OpenAI's bots |
Ads appear below ChatGPT's answer, labeled as sponsored.
Type your title and copy into our ChatGPT ad preview to see the card and a live character count against both limits.
Landing page rules
- The link must work and the page must load.
- Do not block OAI-AdsBot or OAI-SearchBot in robots.txt or at your CDN. Check yours with our AI crawler check.
- Link to the most relevant page, like a product or collection, rather than your homepage.
- Stay in the same category as the ad. A food delivery ad cannot land on an alcohol delivery page.
- You can add your own UTM tags to each link.
Account limits
Each ad account can hold up to 5,000 campaigns, 5,000 ad groups and 5,000 ads.
AI-written variations
Since Sept 16, 2026, advertisers can opt in to AI text customization. It rewrites your headline and description to fit each conversation and translates them into the user's language. You still write the original.
Common questions
How long can a ChatGPT ad title be?
Up to 50 characters. OpenAI recommends 16 to 24.
How long can ChatGPT ad copy be?
Up to 100 characters. OpenAI recommends 32 to 48.
What image size do ChatGPT ads use?
A square PNG or JPG, no larger than 1200 by 1200 pixels, at a public URL.
Can my landing page block OpenAI bots?
No. Landing pages must not block OAI-AdsBot or OAI-SearchBot, or the ad can be rejected.