Show HN: Promptrefine.com – Simple revision history for LLM prompts (promptrefine.com)

Prompt Refine is an LLM prompt playground that shows you diffs between your prompts.

- compatible with OpenAI, Anthropic, Together, or Cohere models, or any local model through window.ai (windowai.io)

- prompt folders for better history organization

- side-by-side diffs

- export history to CSV