https://kethavath.com/blog/ Writing by Harshith Kethavath on ML research, infrastructure, and things worth thinking about. en-us Wed, 01 Apr 2026 00:00:00 +0000 https://kethavath.com/blog/posts/cloudprompts.html https://kethavath.com/blog/posts/cloudprompts.html Wed, 01 Apr 2026 00:00:00 +0000 ML Research We tested whether prompt engineering can adapt vision-language models to satellite imagery. Across 60 prompt variants on cloud segmentation, every one underperformed the zero-shot baseline. But fine-tuning with just 8 labeled images beat them all, and the choice between LoRA and full fine-tuning turned out to be about task structure, not compute.