BloggOpenRouter
Claude Opus vs Sonnet vs Haiku: Which Should You Use?
Use Claude Sonnet 5.5 as your default, Haiku 5.5 for high-volume and sub-agent work, and Opus 5.5 for long tasks where a mistake is costly. We compared the three on price, benchmarks, 11 coding tasks with hidden tests and a Claude Code bug fix. All three passed everything, so the difference was cost.
30 okt. openrouter.ai


