AI Tools Claude Opus 5 for Marketers: What the New Top-of-Line Actually Buys You (and When Opus 4.8 Is Still the Right Pick) Anthropic shipped Opus 5 on July 25, 2026. Here's how it actually performs on the marketing jobs I run daily — long-context research, multi-agent orchestration, complex content — and the three situations where Opus 4.8 is still the smarter spend. 07/26/2026
