2025-10-16
We tried Claude Haiku 4.5 on a computer-use task and it's faster + 3.5x cheaper than Sonnet 4.5: “Create a landing page of Cua and open it in browser” - Haiku 4.5: 2 minutes, $0.04 - Sonnet 4.5: 3 minutes, ~$0.14 This changes the economics of agentic automation ↴ 1/2 [video]
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.