Announced Claude Mythos Preview available as a gated research preview for defensive cybersecurity work as part of Project Glasswing. Access is invitation-only.
The Messages API is now available on Amazon Bedrock as a research preview. The new Claude in Amazon Bedrock endpoint at /anthropic/v1/messages uses the same request shape as the first-party Claude API and runs on AWS-managed infrastructure. Available in us-east-1; contact your Anthropic account executive to request access.
Fetched April 10, 2026