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Claude Haiku 4.5 Released: Fast, Cost-Effective AI Model

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Claude Haiku 4.5 Released: Fast, Cost-Effective AI Model

What happened

Anthropic released Claude Haiku 4.5, a new small AI model available to all users. It delivers near-frontier performance similar to Claude Sonnet 4 but at about one-third the cost and more than twice the speed. The model supports advanced tasks including coding, reasoning, and computer use with enhanced efficiency.

Why it matters

  • Claude Haiku 4.5 enables faster and more cost-effective AI applications, especially for real-time and high-volume use cases.
  • It expands access to near-frontier AI capabilities for budget-conscious users and scaled deployments.
  • The model supports complex workflows like multi-agent coding projects and responsive customer service agents.

Key facts

  1. 1. Claude Haiku 4.5 was released four weeks ago and is now available to all users.
  2. 2. It delivers near Sonnet 4 performance at one-third the cost and over twice the speed.
  3. 3. The model supports a 200,000-token context window and scored 73.3% on the SWE-bench Verified coding benchmark.

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