Anthropic recently launched the Claude Fable 5, which is being hailed as the first publicly available Mythos version on June 9. However, with the launch of the same, Anthropic changed one major thing – every prompt and output is not saved on the anthropic server for 30 days. And the worst part is, no opt out, no zero data retention carveout, not even for the enterprise cuastomers who specifically askedf for one. With this, Microsoft became the first company to revolt against the same.