Transform response before parsing JSON

[egoist]

Feature Description

When generating structured output (like generateObject), some models like DeepSeek v3 failed to follow the instructions and generate json in a code block instead:

which makes ai sdk throw the following error:

No object generated: could not parse the response.

It would be nice if we can modify the output the remove the code fence before ai sdk starts to parse it

Use Cases

make json response work in other models

Additional context

No response

[lgrammel]

You could try implementing a custom middleware as a short term solution.

[egoist]

thanks, that worked, closing this 😄

[lgrammel]

keeping open for now in case we add something dedicated to the sdk

[lgrammel]

there are now repair functions