Claude Opus 4.8
Claude Opus 4.8 was announced by Anthropic on May 28, 2026. Anthropic's launch material described improvements in coding, agentic tasks, professional work, and long-running work.
Status
This is a historical release note, not a current model-selection guide. Anthropic's current models overview directs most workloads to Claude Opus 5 and identifies Claude Opus 4.8 as an earlier model. Do not rely on this page for current token limits, pricing, effort controls, benchmark comparisons, platform availability, or recommendations.