Claude Fable 5.1 and Claude Mythos 5.1

What's new in Claude Fable 5.1 – https://platform.claude.com/docs/en/models/fable-5-1/whats-n... System Card: https://www-cdn.anthropic.com/0339e6a7c5c7b87f5c07798616dc32... Comments URL: https://news.ycombinator.com/item?id=49525378 Points: 307 # Comments: 241