Use Claude Haiku 5.5 for narrow, high-volume jobs whose output you can check cheaply, such as classification, extraction, summaries, routing and subagent lookups. It costs
Tag: Claude Sonnet 5.5
Claude Sonnet 5.5 vs Sonnet 5: What Actually Changed
Claude Sonnet 5.5, released on September 28, 2026, is a clear step up from Sonnet 5 at the same token price. It generates output more
