Claude Haiku 4 API: The Budget Developer's Guide to Production-Grade AI

Claude Haiku 4 API: The Budget Developer's Guide to Production-Grade AI TL;DR — Claude Haiku 4 is the most underused model in Anthropic's lineup. At $1 per million input tokens, it handles classification, summarization, and extraction at 90%+ of frontier quality while costing 5x less than Opus 4.7. The trick is knowing exactly where it stops and Sonnet starts. This guide gives you the benchmarks, code, and tiering strategy to run Haiku in production without surprises. Most developers overpay for