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Anthropic Unveils Claude Haiku 4.5: Fast, Affordable, and Safe AI

10/15/2025

28 6 Full Breakdown

Summary

Story summary

Anthropic has launched Claude Haiku 4.5, a lightweight AI model that combines speed and cost-efficiency and outperforms Haiku 3.5.
Claude Haiku 4.5 costs $1 per million input tokens and $5 per million output tokens.
It is free for all Claude.ai users.
It supports multi-agent systems, enabling Sonnet 4.5 to manage complex tasks.
Safety evaluations indicate Haiku 4.5 is the safest model yet with low rates of concerning behaviors.

History

Historical Context

Google launched TensorFlow in 2016, marking a pivotal moment in AI development by providing an open-source framework that cut resource costs by 50%. This innovation followed the rise of deep learning in the 2010s, which transformed AI capabilities. Anthropic's Claude Haiku 4.5 continues this trend, offering cost-effective AI solutions, thus democratizing access to advanced technology across various sectors.

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Story summary

Anthropic has launched Claude Haiku 4.5, a lightweight AI model that combines speed and cost-efficiency and outperforms Haiku 3.5.
Claude Haiku 4.5 costs $1 per million input tokens and $5 per million output tokens.
It is free for all Claude.ai users.
It supports multi-agent systems, enabling Sonnet 4.5 to manage complex tasks.
Safety evaluations indicate Haiku 4.5 is the safest model yet with low rates of concerning behaviors.

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