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Anthropic releases Claude Haiku 5.5, its cheapest and fastest small model

Anthropic says Haiku 5.5 is available now on its API, AWS, Google Cloud and Azure as claude-haiku-5-5, with input priced from $0.10 per million tokens. It is the first Haiku with an adjustable effort setting. Anthropic reports 72.4% on OSWorld 2.1 (offline subset) versus 15.7% for Haiku 4.5.

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Primary source

Anthropicanthropic.com/claude-haiku-5-5

Coverage · 19 articles, oldest first

Wednesday, October 7, 2026

  1. AnthropicPrimary530 pts on HN

    Claude Haiku 5.5

  2. VentureBeat

    venturebeat.com/technology/anthropic-launches-claude-haiku-5-5-with-90-api-price-reduction-matching-gpt-6-luna

  3. 9to5Mac

    9to5mac.com/2026/10/07/anthropic-upgrades-claude-with-new-haiku-5-5-model-details-here/

  4. Unite.AI

    unite.ai/anthropic-releases-claude-haiku-5-5-cutting-small-model-api-prices/

  5. RuntimeWire

    runtimewire.com/article/anthropic-launches-haiku-5-5-at-luna-s-price-not-below-it-claude-code-reveals

  6. The Decoder

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

  7. AWSPrimary

    Introducing Claude Haiku 5.5 on AWS

  8. Reuters

    reuters.com/business/anthropic-launches-third-claude-55-model-expanding-ai-lineup-before-planned-ipo-2026-10-07/

  9. The New Stack

    Anthropic prices Haiku 5.5 at $0.10/1M input and $0.50/1M output tokens for requests up to 100K tokens, and $0.50 and $2.50 above, vs. $1 and $5 for Haiku 4.5

  10. iThinkDifferent

    ithinkdiff.com/claude-haiku-5-5-launches-75-percent-lower-cost/

  11. Yahoo Finance

    finance.yahoo.com/technology/article/anthropic-reveals-haiku-55-model-as-ai-pricing-war-intensifies-180000423.html

  12. Reuters

    economictimes.indiatimes.com/tech/artificial-intelligence/anthropic-launches-third-claude-5-5-model-expanding-ai-lineup-before-planned-ipo/articleshow/134773835.cms

  13. The Tech Portal

    thetechportal.com/2026/10/08/claude-haiku-5-5-is-anthropics-most-capable-small-model-yet-and-its-far-cheaper-than-predecessor/

  14. Unite.AI

    unite.ai/anthropic-slashes-claude-sonnet-5-5-cache-read-cost-by-50/

  15. simonwillison.net

    Introducing Claude Haiku 5.5

  16. Decrypt

    decrypt.co/380351/anthropic-launches-haiku-5-5-cheapest-fastest-claude-model

  17. CoinGape

    coingape.com/anthropic-launches-claude-haiku-5-5-ahead-of-november-2t-ipo/

  18. XDA Developers

    xda-developers.com/anthropic-reveals-claude-haiku-55-its-cheapest-and-fastest-small-model-yet/

  19. Techstrong.ai

    techstrong.ai/articles/anthropic-unveils-claude-haiku-5-5-in-aggressive-cost-cutting-push-ahead-of-ipo/
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