Model is not assignable to type "LanguageModelV1"

Issue

I have updated the AI SDK and now I get the following error: Type 'SomeModel' is not assignable to type 'LanguageModelV1'.

Similar errors can occur with EmbeddingModelV1 as well.

Background

Sometimes new features are being added to the model specification. This can cause incompatibilities with older provider versions.

Solution

Update your provider packages and the AI SDK to the latest version.