How OpenAI launched GPT-5.5 on X
13.2M views, ranked 71 of the 1981 launches we track. It reached a very large number of people who did not save it, which is the pattern across almost every launch at this size.
0:55
Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex.
How it compares
A launch means nothing against no one. These are the launches it is actually comparable to, and where this one sits among them.
| Compared with | Launches | Median views | This one | Rank |
|---|---|---|---|---|
| Product release the same kind of announcement | 954 | 692K | 19.1x | 38 |
| over 100K followers accounts of a similar size | 611 | 1.4M | 9.5x | 55 |
| Every launch all of them, for scale | 1981 | 688K | 19.2x | 71 |
What this launch shows
OpenAI posted this from an account with 5.4M followers and reached 2.4 times that many people. Accounts of that size usually reach 2.4 times their following, so this is in the normal range.
It ranks 55 of 611 launches from accounts that size. Against every launch in the directory it sits at 19.2 times the median of 688K views.
Reposts led, 7K at 5 per 10,000 views against a median of 2.5. A repost is an endorsement without a comment, and a launch with an unusual repost rate was being passed along on purpose.
Bookmarks: 9K. Replies: 2K. One bookmark for every 5.5 likes is a low ratio for a launch, and reads as entertainment more than intent.
The post opens with “Introducing GPT-5.5”, the same first word as 25% of launches in the directory. It carries a 55-second video against a directory median of 65 seconds. Videos between 30 and 90 seconds have a median of 603K views in the directory.
The copy runs 47 words, about the usual length for a launch post here, where the median is 41. The body carries a link, so the post had somewhere to send the reader and paid a little reach for it.
It went out on a Thursday. Launches posted on a Thursday have a median of 724K views in the directory, and Friday is the strongest day at 880K.
Giving people something to reply to covers this: the conversation is what carried this one. For the next one, read what viral AI launches share: model launches are the largest category in the directory and travel on the demo.
X analytics explained is the guide for it: what each of these numbers means, with benchmarks by account size. Every launch we track in Frontier Lab is on that vertical's directory page.
Questions about this launch
When did OpenAI launch GPT-5.5?
OpenAI posted the launch on X on 23 April 2026.
How many views did the GPT-5.5 launch post get?
13,231,874 views at the last read, ranked 71 of the 1981 AI launches Doomers tracks, 2 times the account's following.
Who posted the GPT-5.5 launch?
@OpenAI, which has 5.4M followers.
Planning something like this?
We run launches on X for AI companies, with creators who already hold the audience you want reaching.