ITmedia AI+
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Anthropic、「Claude Haiku 5.5」公開 「Haiku 4.5」から大幅性能向上で利用コスト約75%減

Anthropic announced Claude Haiku 5.5, a small AI model that significantly improves performance while reducing usage costs by approximately 75%.

Key points

  • •It significantly improves performance over the previous Claude Haiku 4.5 model while reducing usage costs by about 75%.
  • •It is the first model to support the effort setting, which adjusts reasoning depth.
  • •It was immediately available on all platforms for computer operation, bulk routine processing, and sub-agents for higher-tier models.
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PC Watch

「Claude Haiku 5.5」登場、90%値下げで最安・最速の小型モデルに

Anthropic launched the small AI model Claude Haiku 5.5, offering it as the cheapest, fastest, and high-performance small model with a 90% price cut from the previous generation.

ITmedia AI+

Anthropic、「Claude Haiku 5.5」のAPI料金を「Haiku 4.5」の10分の1に 「Sonnet 5.5」のキャッシュ読み込み料金は半額に

Anthropic begins API provision for the small AI model Claude Haiku 5.5, featuring significant cost reductions and new features compared to the previous generation.

ITmedia AI+

Anthropic、METRの評価チームを社内に常駐させ“従業員並み”のアクセス付与 公表に拒否権なし

Anthropic has started resident evaluations by the AI evaluation group METR, granting employee-level access and permitting independent disclosure of risks and incidents.

ITmedia AI+

「Claude Haiku 5.5」は本当にコスパがいいのか? 3つの日本語タスクで検証してみた

The performance of Anthropic's lightweight model 'Claude Haiku 5.5' was verified across three Japanese tasks by comparing it with 'Sonnet 5.5' and 'GPT-6 Luna'.

TechCrunch

Anthropic is letting METR researchers look under the hood with employee-level access

Anthropicが外部評価機関METRにリスクやインシデントに関する従業員レベルのアクセス権を付与し、METR独自の評価結果を公開することを可能にした