Anthropic Advisor Strategy: Run Opus Intelligence at Sonnet Cost
On April 9, 2026, Anthropic released the Advisor Strategy — a new API pattern where Sonnet 4.6 silently consults Opus 4.6 on hard decisions during agentic tasks. The result: 74.8% on SWE-bench Multilingual (up from 72.1%) at 11.9% lower cost than pure Opus. Here is how it works and how to implement it today. Continue reading the full article on WowHow → Originally published at https://wowhow.cloud/blogs/anthropic-advisor-strategy-opus-sonnet-cost-api-guide-2026