Anthropic launches Claude Opus 5, positioning it as the "everyday" AI model that delivers nearly all the intelligence of its flagship Fable 5 at half the cost. Priced at $5 per million input tokens and $25 per million output tokens — unchanged from its predecessor Opus 4.8 — the model is now the default on Claude Max (the $100/month tier) and the strongest option on Claude Pro ($20/month). Anthropic calls it its "most aligned model to date," with the lowest rates...