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Full Claude API pricing table for April 2026 — Haiku, Sonnet, Opus, caching, batching, 1M context — ...


Build a classifier that routes Claude API calls to Haiku, Sonnet, or Opus — 3 patterns from rule-bas...


A decision tree plus nine concrete use cases showing which Claude model is the right default, what y...


Claude's 1M context window fits 750K words or 10 MB of code — but costs up to $7 per request. Exact ...