# The Decoder — Claude Haiku 5.5 arrives with massive price cuts proving the AI pricing arms race is far from over

- Company: The Decoder (the-decoder.com)
- Announced: 2026-10-07T18:49:23+00:00
- Category: new-model
- Coverage: not counted
- Announcement: yes
- Group: models
- Source: https://the-decoder.com/claude-haiku-5-5-arrives-with-massive-price-cuts-proving-the-ai-pricing-arms-race-is-far-from-over/
- Record: https://forck.live/items/16456-claude-haiku-5-5-arrives-with-massive-price-cuts-proving-the-ai-pricing-arms
- Subject: Reporting
- Models affected: Claude Haiku 5.5, Haiku 4.5, Sonnet 5.5, Opus 5.5
- Pricing: On average, the model costs about 75 percent less than Haiku 4.5. For requests with prompts up to 100,000 tokens, which Anthropic says account for roughly 90 percent of all previous Haiku requests, prices drop by up to 90 percent. Prompts longer than 100,000 tokens cost five times as much.

Anthropic released Claude Haiku 5.5, its fastest and most affordable small model, with benchmark scores far exceeding Haiku 4.5 and outperforming OpenAI's GPT-6 Luna across tested categories. The model costs about 75 percent less than its predecessor on average, with up to 90 percent lower token prices for short prompts. Anthropic also cut Sonnet 5.5 cache read costs by 50 percent and introduced monthly API credits for subscribers.

## Evidence

Verbatim from https://the-decoder.com/claude-haiku-5-5-arrives-with-massive-price-cuts-proving-the-ai-pricing-arms-race-is-far-from-over/:

> Haiku 5.5 scores 1,620 on the knowledge benchmark GDPval-AA v2.1, more than double the 735 its predecessor managed. On Humanity's Last Exam, it hits 45.9 percent without tools and 57.4 percent with tools, up from 10.2 and 18.7 percent.

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