Claude Sonnet 5 vs Claude Opus 4.8: Which One Is Better for Coding?
Claude Sonnet 5 launched June 30 at 40% less per token than Opus 4.8. The surprising finding: at standard pricing, Sonnet 5 costs 15% more per task. Full benchmark breakdown on SWE-bench Pro, Terminal-Bench, speed, and the 12-scenario decision guide.
