Guides
What is zero data retention and how can my organization get it?
Zero data retention means the AI provider keeps none of your prompts or outputs after the reply. What Anthropic, OpenAI and Google offer, and how to get it.
3 Oct 2026
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Harriet Team
Posts by Harriet Team
Guides
GPT-6.1 Sol is a fifth of Astra's price. Who saves?
OpenAI released GPT-6.1 Sol on September 29 at a fifth of GPT-6 Astra's token price. What that does to a ChatGPT Business seat and a ChatGPT Enterprise bill.
30 Sept 2026
Guides
Claude Opus 5.5 is 40% cheaper. Will your company see it?
Anthropic cut Opus 5.5 running costs by about 40% on September 22. Whether that reaches your bill depends on how you pay. Team, Enterprise and usage, compared.
25 Sept 2026
Guides
An AI usage policy for a 300-person company
What an AI usage policy should say when you are mid-sized, regulated, and have just been made accountable for AI. The seven sections, what each one decides, and a first draft you can adapt.
27 Aug 2026
Guides
How to find shadow AI, and what to do once you have
Personal ChatGPT accounts, browser extensions, an API key someone expensed. Shadow AI is in every mid-sized company. How to measure it in a week and bring it under control without a ban.
18 Aug 2026