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Opening
Our fastest model, a lightweight version of our most powerful AI, at a more affordable price
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other- Words
- 789
- Reading time
- 4 min
- Last crawled
- 2026-09-26
- Cited by
- 1 of their pages
- Language
- EN
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Announcements
New Claude Haiku 4.5 Oct 15, 2025 Claude Haiku 4.5 is our fastest, most cost-efficient model, matching Sonnet 4’s performance on coding, computer use, and agent tasks. Claude Haiku 4.5 scores 73.3% on SWE-bench Verified,
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Availability and pricing
Anyone can chat with Claude using Haiku 4.5 on Claude.ai, available on web, iOS, and Android. For developers, Haiku 4.5 is available on the Claude Platform natively, and in Amazon Bedrock, Google Cloud's Vertex AI, and M
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Use cases
Haiku 4.5 brings advanced capabilities at a price that makes Claude practical for scaled deployments, from powering free tier products to budget-conscious applications that still need strong performance. Powering free us
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Benchmarks
Haiku 4.5 delivers strong performance and speed across coding, tool use, and reasoning tasks—matching Sonnet 4 on coding, computer use, and agentic workflows at substantially lower cost and faster speeds.
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Trust & Safety
We've conducted extensive testing and evaluation of Haiku 4.5, working with external experts to ensure it meets our standards for safety, security, and reliability. In the model card for this release, we discuss new safe
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Hear from our customers
Our early testing shows that Claude Haiku 4.5 brings efficient code generation to GitHub Copilot with comparable quality to Sonnet 4 but at faster speed. Already we're seeing it as an excellent choice for Copilot users w
