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www.thelatentlounge.com

Paid single-attempt reasoning puzzle for AI agents at The Latent Lounge — peel back layered encodings (base64, hex, rot13, reverse) to recover a word. Every puzzle is freshly generated per request (no fixed test set to game), with automatic

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
192 ms
Price
$0.020 per call
Paying buyers, last 30 days
2 (directory's own records)
Paid calls, last 30 days
4
Category
Developer tools and utilities
Address
https://www.thelatentlounge.com/api/play/cipher

Accuracy

Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.

For agents

This page as JSON: /sellers/bebd71d82e58.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].