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Anthropic releases Claude Haiku 4.5, near-Sonnet 4 coding at one-third the cost

Claude Haiku 4.5 at a glance

Claude Haiku 4.5 matched Claude Sonnet 4's coding performance at one-third the cost and more than twice the speed, priced at $1/$5 per million tokens.

What changed with Claude Haiku 4.5

On October 15, 2025, Anthropic released Claude Haiku 4.5, its latest small model, to all users. Anthropic said it delivers coding performance similar to Claude Sonnet 4, a frontier model five months earlier, at one-third the cost and more than twice the speed, and that it even surpasses Sonnet 4 at computer use.

API pricing is $1 per million input tokens and $5 per million output tokens, on the Claude API, Amazon Bedrock and Google Cloud Vertex AI, as a drop-in replacement for Haiku 3.5 and Sonnet 4. Anthropic released it under ASL-2 safeguards and highlighted uses such as running several Haiku sub-agents under a Sonnet 4.5 planner.

Claude Haiku 4.5 benchmarks and pricing

Values are copied from the linked source on the date shown. They are not IA Compa measurements.

Input price per 1M tokensas of · Source for Input price per 1M tokens: anthropic.com (opens in a new tab)
$1.00
Output price per 1M tokensas of · Source for Output price per 1M tokens: anthropic.com (opens in a new tab)
$5.00

How it compares

Other models in the same category that we have covered, using each model's latest recorded value. (Models)

Input price (USD per 1M tokens)lower is better
Output price (USD per 1M tokens)lower is better

Where to compare Claude Haiku 4.5

Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.

Why Claude Haiku 4.5 matters for businesses

For businesses, Haiku 4.5 made near-frontier quality affordable for high-volume, latency-sensitive work such as chat support, real-time assistants and multi-agent pipelines, where speed and per-call cost matter most.

Sources for this story

  1. Official
  2. Claude 4.5 Haiku model page (opens in a new tab)

    Artificial Analysis · artificialanalysis.ai

    Benchmark

Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.

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  • #claude
  • #coding
  • #small-models

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