It was born out of frustration from constantly copy-pasting rows into LLMs or scripts just to test prompts across different models. With PromptLab, you can:

Compare responses across different prompts and models side by side

Run LLMs on 100s or 1000s of rows just by dragging the formula

Debug and tweak prompts more efficiently when working with structured data

No more exporting CSVs, writing scripts, or juggling APIs, it's all inside Sheets.

Would love to hear your thoughts, feedback, or if this is useful to you. Still early, so very open to suggestions.

Best part: You dont need to add your own API keys. Just add the addon and start using.