longcot.ai
longcot.ai is a live English-language website hosted on Cloudflare, Inc. (AS13335) in the United States, served by Cloudflare. cl0q first saw it on 2026-06-24 and last crawled it on 2026-07-15. It resolves to 104.21.21.234. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
LongCoT — Benchmarking Long-Horizon Chain-of-Thought Reasoning
LongCoT: 2,500 problems across 5 domains measuring long-horizon reasoning in frontier language models. Best model achieves only 9.83% accuracy.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-06-24 |
| Last crawled | 2026-07-15 |
| IPv4 | 104.21.21.234 |
| IPv6 | 2606:4700:3036::6815:15ea |
| Network | AS13335 Cloudflare, Inc. · United States |
| Language | en |
| Server | cloudflare |