# Claude Haiku 5.5 is now available in Claude Platform and Claude Code

Haiku 5.5 has launched across the Claude Platform and Claude Code, operating at approximately 75% lower running costs on average than Haiku 4.5. ClaudeDevs highlighted the model for use as a subagent alongside Opus 5.5 or Sonnet 5.5 for high-volume workloads.

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Source: ClaudeDevs · Published 10/7/2026, 11:41:07

Haiku 5.5 is now accessible within the Claude Platform and Claude Code. ClaudeDevs reported that running the model costs approximately 75% less on average than Claude Haiku 4.5.

ClaudeDevs suggested pairing Haiku 5.5 with Opus 5.5 or Sonnet 5.5 to serve as a subagent, recommending it for high-volume, cost-sensitive tasks such as summaries, compactions, and database queries.

Tags: Claude Haiku, Claude Code, Claude Platform

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