Teresa Torres on AI Evals, Claude Fable 5.1, and Perplexity Goes Hybrid
AI PM Research
Wednesday, September 2, 2026
Teresa Torres on AI Evals, Claude Fable 5.1, and Perplexity Goes Hybrid
Teresa Torres just shipped a hands-on AI evals guide that product teams can actually use today. Meanwhile, Anthropic dropped Claude Fable 5.1 (fast and strong, according to everyone who tested it), and Perplexity quietly made a privacy-first architectural move with hybrid local/cloud compute on Mac.
Also today
- Lenny Rachitsky
- Cassie Kozyrkov
- Amazon Connect
- OpenAI
- Character.AI
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