June 10, 2026
Your prompts, their tea?
AWS Bedrock to require sharing data with Anthropic for Mythos and future models
Your AI prompts may leave Amazon’s walls — and commenters are absolutely spiraling
TLDR: Amazon says Anthropic’s more advanced AI models on Bedrock will require keeping user data for 30 days, and that data can move outside Amazon’s usual protected zone. Commenters are split between practical panic from business users and wild spy-agency jokes, with trust and privacy becoming the real story.
Amazon’s new announcement landed with a loud record scratch in the comments: if companies want Anthropic’s more advanced Bedrock models like Mythos 5 and future heavy-hitters, they’ll have to accept 30-day data retention. In plain English, that means what users send to the AI can be stored for a month so Anthropic can look for abuse patterns. The catch, and the part that set off alarm bells, is that once you opt in, the data leaves Amazon’s usual security boundary. For businesses that use AI with private code, internal documents, or customer info, commenters instantly translated this into one phrase: absolutely not.
The strongest reactions were pure distrust. One camp said this looks dead-on-arrival for regulated industries and government work, with one commenter basically asking why Amazon would even sign up for something so obviously toxic to cautious enterprise customers. Another camp zoomed straight past “safety monitoring” and into full conspiracy-thriller mode, latching onto Anthropic’s note that data could be kept longer for legal reasons. That inspired jokes about secret letters, spy agencies, and your company’s prompts getting dragged into some shadowy file cabinet forever. The sarcasm was scorching too: “What a frontier.” Even the more measured voices sounded nervous, saying 30 days seems fine until you remember people are feeding these tools their most sensitive business secrets. The vibe wasn’t just concern — it was corporate trust issues, with popcorn.
Key Points
- •AWS said Anthropic will require 30-day retention for traffic on Fable 5, Mythos 5, and future Bedrock models with similar or higher capability levels.
- •The retention policy applies to all traffic on Mythos-class models offered through Amazon Bedrock.
- •AWS said limited retention allows Anthropic to detect misuse patterns that are not visible from a single exchange.
- •AWS stated that when customers opt into data retention, their data leaves AWS’s data and security boundary.
- •Anthropic said retained data is automatically deleted after 30 days except when it is part of a safety investigation or must be kept for legal reasons.