Sites using ChatGPT
Pages that name an OpenAI GPT reasoning model as the author of their content.
Found via: StackScope Discovery (Indie) 2 · StackScope Wider Web 4
ChatGPT has been detected on 6 launches since first appearing in August 2026. Most recent detection: MeWho — identity, context, permission, boundary, 5 days ago.
Share of new sites using ChatGPT
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
AI Signal leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 | OpenAI Domain Verification | <0.01% | 53.13% | |
| #2 | MCP Server | <0.01% | 38.54% | |
| #3 | ChatGPT Current page | <0.01% | 6.25% | |
| #4 | AEO Meta Tags | <0.01% | 3.13% | |
| #5 |
Claude
|
<0.01% | 1.04% |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any AI Signal tool. All 6 in AI Signal →
Recent launches we can show
2 of the 6 sites using ChatGPT are product launches we list individually. The other 4 are sites we found crawling the wider web: they count towards the figures above, but we do not publish them one by one. How StackScope Discovery works
The StackScope API serves all 6 sites using ChatGPT, filterable and exportable, from £15 a month.