Truth Check/19 September 2026
“AI is now building AI”
The claim as it travelled: coverage of Anthropic's 17 September 2026 measurements.
Overstated
The claim goes further than the page that produced it.
Anthropic's measurements say Claude leads 26% of its AI R&D work, supervised, on a scale Claude scored itself, and that it is not fully autonomous on any measured subset.
- Checked Against
- anthropic.com ↗Primary
- Read the Check
- "AI is building AI" - what the 26% actually says
Salesforce says AI replaces the interface; Anthropic measures how much of its own work Claude now leads; and the payback test that finds the accuracy floor below which an agent loses you money.
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