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swe-bench

Claude Sonnet 5 vs Opus 4.8 comparison showing pricing and benchmark differences between Anthropic's mid-tier and flagship AI models in 2026

Business Jul 2, 2026 • 15 min read

Claude Sonnet 5 vs Opus 4.8: Which Should You Choose in 2026?

Anthropic just made the Claude Sonnet 5 vs Opus 4.8 decision harder than it’s ever been. Before June 30, 2026, choosing between Sonnet and Opus…