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.
Claude announced monthly Claude Platform API credits for Max and Team tier subscribers, offering $100 for Max 5x, $200 for Max 20x, and up to $500 pooled for Team plans.
ClaudeDevs says Sonnet 5.5 has produced as much as 20% lower costs on the Claude Platform and 30% more usage in Claude Code. Claude calls it the second Claude 5.5 model, more than 30% faster than Sonnet 5 and up to 30% cheaper for most work.
ClaudeDevs says Opus 5.5 is available in Claude Code and the Claude Platform, and is using it as the new daily driver for coding and agentic work, citing its intelligence, lower price, and speed.