# Rival

Startup, Worldwide.

> We fingerprinted 178 AI models' writing styles and similarity clusters
>
> — in its own words, from rival.tips

- Website: https://rival.tips/research/model-similarity
- Listed since: 2026
- launched: 2026-04-08
- launch post: https://news.ycombinator.com/item?id=47690415
- hn score: 62
- Last verified: 2026-04-08


## Sources

- Hacker News, "Show HN" — https://news.ycombinator.com/item?id=47690415, read 2026-04-08

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startup.is · https://startup.is/registry/rival · open data: /api/v1, /llms.txt