What's the best AI model for refactoring a complex workflow JSON?

Questions
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Hi everyone,
I’m looking for some advice based on your latest experiences with different AI models.
I have a fairly complex AI Telegram bot workflow that I’d like to simplify for my personal use. The main task is to replace the PostgreSQL database used for chat history with a simple in-memory solution.
My plan is to feed the entire workflow JSON to an AI and ask it to perform this refactoring. Since this requires the model to handle a large JSON file and understand n8n’s structure, I want to use the best possible tool for the job.
So, my question is: Which AI model (like Claude 3 Opus, GPT-4o, Gemini 1.5 Pro, etc.) do you currently find to be the most reliable for accurately modifying a large n8n workflow JSON without breaking it?
I’d really appreciate any recommendations based on your hands-on experience!

n8n Version 1.110.1

1 Like
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google/gemini 2.5 flash lite : speed and cheap
google/gemini 2.5 pro : best result but costly

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@y4n
Did you have good experience with using these modesl to modify complex n8n workflow JSONs without breaking them?

1 Like
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very complex

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Interesting, could you give an example of type of modification you would ask these models to do with the n8n workflow JSON?

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