Anthropic Releases Claude Opus 4.8 with "Dynamic Workflows" Multi-Agent Orchestration in Claude Code

Summary

Anthropic released Claude Opus 4.8 on May 28, 2026, framing it as "a modest but tangible improvement" over Opus 4.7 — language Simon Willison praised as refreshingly candid against an industry of inflated launch claims. The model's headline theme is honesty and calibration: it is roughly 4x less likely than its predecessor to let code flaws pass unremarked, more readily flags uncertainty, and (per the system card) had the lowest incorrect-rate of six compared models on every benchmark, largely b