Claude Announces Suspension of Fable 5 Access Due to U.S. Government Ban; Developers Urged to Switch Models Promptly
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Claude Announces Suspension of Fable 5 Access Due to U.S. Government Ban; Developers Urged to Switch Models Promptly
Claude announced that, due to U.S. government-related restrictions, access to the Fable 5 model will be suspended for all users. New sessions will default to the user’s configured default model or Opus 4.8; existing Fable 5 sessions will terminate immediately with an error. Additionally, API requests to Fable 5 on the Claude Platform will also return errors. Developers must promptly migrate their applications and integrations to other Claude models.
TechFlow reports that on June 13, Claude announced it would suspend access to the Fable 5 model for all users due to relevant U.S. government restrictions. New sessions will default to the user’s configured default model or Opus 4.8; existing Fable 5 sessions will terminate immediately with an error. Additionally, API requests to Fable 5 on the Claude Platform will also return errors. Developers must promptly migrate their applications and integrations to other Claude models.




