cheapest tier in Anthropic's lineup. Here's when the price actually makes sense, and when you're better off downgrading.
High-volume classification, extraction, short-response chat. Any workload where you're sending >10K requests/day.
Complex multi-step reasoning, high-stakes outputs. Move those to Sonnet.
Most teams running Claude Haiku 24/7 are over-using the tier. Audit reveals which requests actually needed this model and which would have worked on the tier below. Run the free audit →
Audit my Claude usage →