
何が起きたか
Anthropicは、有料プラン利用者向けの「Claude Fable 5」無料アクセスキャンペーンを7月19日午後11時59分59秒まで延長しました。あわせて、AIコーディング支援ツール「Claude Code」の週間利用上限を通常より50%引き上げる措置も同じく7月19日まで延長します。
なぜ重要か
Fable 5は他のモデルより利用枠の消費が速いため、無料枠での試用拡大は、Pro・Max・Teamプランの利用者にとって高性能モデルをより多く試せる機会となります。Claude Codeの上限増加と組み合わせることで、有料プランの価値向上を狙ったものとみられます。
注目点
期限は7月19日午後11時59分59秒で、その後Fable 5は使用クレジット(従量課金)での利用に切り替わり、Claude Codeの上限も通常水準に戻る見込みです。対象はPro・Max・Team各プランとシート制Enterprise(プレミアムシート)で、無料プランと従量課金制Enterpriseは対象外です。
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Fable 5's rollout has been complicated by export restrictions. The model was publicly released on June 9 alongside Mythos 5, but within days Anthropic halted its availability due to U.S. export controls. When service resumed for paid subscribers on July 1, the company offered free trial access to soften the delay—initially set to expire July 7. The company has now extended that free window twice, most recently to July 19, signaling sustained effort to let paying customers experience the higher-tier model without additional cost. The concurrent extension of Claude Code's weekly limit by 50% for the same user tiers suggests Anthropic is bundling these benefits to reinforce the value proposition of its Pro, Max, and Team offerings. After July 19, both incentives expire and users will face standard pricing and limits, marking a clear end to this promotional period.
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