Opus 5 Just Made Fable 5 a Hard Sell for Most Engineering Teams, But Not All of Them | Towards AI

Anthropic rolls out Opus 5 AI model in efficiency upgrade

Anthropic launched Opus 5, matching Fable 5 capabilities at 50% lower cost, targeting everyday coding and office tasks. Cost-efficiency move signals Anthropic's bet on mainstream AI adoption, creating pressure on open-weight competitors' value proposition.