Anthropic:
Anthropic says Haiku 4.5 can serve as a subagent for Sonnet 4.5, which can break down problems into multistep plans and orchestrate a team of Haiku 4.5 agents — Claude Haiku 4.5, our latest small model, is available today to all users. — What was recently at the frontier is now cheaper and faster.
Posted from: this blog via Microsoft Power Automate.