While DeepSeek R1 models are powerful, they have certain limitations:

No tool-calling support: DeepSeek R1 cannot directly interact with APIs or external tools.

No object generation support: DeepSeek R1 does not support structured object generation. However, you can combine it with models that support structured object generation (like gpt-4o-mini) to generate objects https://sdk.vercel.ai/docs/guides/r1