Claude 3 Haiku is deprecated on Amazon Bedrock (Anthropic). Claude 3 Haiku model requests will be rerouted to Claude Haiku 4.5 on February 26, 2026. We recommend that you test your prompts and apps with the new model in Prompt Builder and Einstein Studio as soon as possible, because expected responses can change.
Where: This change applies to Lightning Experience in Enterprise, Performance, and Unlimited editions with Foundations or Agentforce 1 editions.
When: Claude 3 Haiku requests are rerouted on February 26, 2026.