Story perspectives
Anthropic Unveils Cost-Effective Claude Haiku 4.5 AI
10/18/2025
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Story summary
- Anthropic launched Claude Haiku 4.5 on October 17, 2025, as faster and more cost-efficient than Sonnet 4.
- Claude Haiku 4.5 costs one-third as much as Sonnet 4 while delivering similar performance.
- Haiku 4.5 scored 73% on SWE-Bench Verified and 41% on Terminal-Bench.
- Anthropic serves over 300,000 business customers, and Haiku 4.5 is available to Claude.ai users at no cost.
