ArcThink

May 29, 2026 · Artificial Intelligence

Claude Opus 4.8: A Reliability Patch for Long‑Task Agents, Not a Giant Leap

Claude Opus 4.8, released on May 28 2026, keeps the same 1 M‑token hybrid reasoning model and pricing but adds modest benchmark gains, stronger honesty in code‑summary reporting, Dynamic Workflows for multi‑agent orchestration, a more complex cost structure, and new security considerations, guiding engineers on when and how to adopt it for high‑value, long‑running tasks.