Claude Opus 4.8 Developer Guide: Benchmarks, Pricing & Dynamic Workflows
Anthropic shipped Claude Opus 4.8 on May 28, 2026, and it took the #1 spot on the Artificial Analysis Intelligence Index at 61.4. Full developer breakdown: 69.2% SWE-bench Pro, 88.6% SWE-bench Verified, unchanged $5/$25 pricing, 3x cheaper fast mode, Dynamic Workflows for parallel subagents, effort control, the Messages API enhancement, the honesty gains, and a clean migration path from Opus 4.7.




































