ANTHROPIC TESTS FABLE 5.2 AND OPUS 5.5 AHEAD OF THE RELEASE

Summary from the TLDR AI newsletter

Anthropic is starting to test its upcoming frontier model in the wild. Several people have posted outputs that seem to come from a newer, more advanced model. Anthropic may be announcing Opus 5.5 this week. The model is rumored to be priced at $4 per million input tokens and $20 per million output tokens.