Claude Opus 4.8 Review: The Dynamic Workflow Tool Changes What's Possible for AI Agents

Forty-one days. That's how long it took Anthropic to go from Opus 4.7 to Opus 4.8. If you blinked, you missed the previous flagship. And while the version bump might look incremental on paper, what actually shipped with Opus 4.8 — particularly the new dynamic workflow tool — is the kind of thing that changes how I think about what AI agents can do right now. I've been digging through the release details, the Anthropic blog post, and early testing reports since the announcement landed yesterday...