Ask HN: Have you seen an effective method for compressing GPT prompts?

I'm interested in something that can take frequently used system prompts of mine and compress them in a way that still gets the same results with different user messages. Does this exist? Things I've seen: https://github.com/yasyf/compress-gpt https://news.ycombinator.com/item?id=35626433 https://news.ycombinator.com/item?id=35488291