Haiku 5.5 costs 20x less than Sonnet 5.5, dev uses it for parallel sub-agents
RLanceMartin · x · 2026-10-08
Developer RLanceMartin highlights that Claude Haiku 5.5 is 20x cheaper than Sonnet 5.5 for inputs under 100k tokens, fast enough to power massive sub-agent parallelization. He demos building maps where many Haiku 5.5 sub-agents stream drawing commands to a shared canvas.
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