[Bug] Claude 3.5 Haiku API knowledge cutoff misalignment with advertised specifications

Resolved 💬 3 comments Opened Oct 29, 2025 by adambate Closed Nov 2, 2025

Bug Description
The API version of 4.5 Haiku does not have the same training data or knowledge cut off that is advertised for this model:\
\

What's your knowledge cut-off training date?

⏺ My knowledge cutoff is April 2024. I was trained on data up to that date, so I may not have information about events or developments that occurred after April 2024.\
\
While the model is good, this significant limit on data cut-off makes it totally inadequate for newer programming languages.

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.0.28
  • Feedback ID: b677e895-4e86-4c0c-a6ac-c8529a3b21f6

Errors

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