Dev.to
7/20/2026

The original title is "Can You Beat an LLM? Building Humans vs. Humanity's Last Exam"
Original: Can You Beat an LLM? Building Humans vs. Humanity's Last Exam
Short summary
A developer built 'Humans vs. HLE,' a web quiz that pits humans against frontier AI models on Humanity's Last Exam, an expert-level academic benchmark. The app runs on Cloudflare Workers with server-side answer encryption (AES-GCM) and HMAC-signed results to prevent cheating, using Durable Objects for a persistent leaderboard. Development was tracked with Claude Code Opus, editing 27 files and adding 912 lines.
- •Quiz app compares human scores against frontier model accuracy on Humanity's Last Exam benchmark
- •Server-side AES-GCM encryption and HMAC signing prevent client-side answer tampering
- •Built on Cloudflare Workers with Durable Objects for persistent leaderboard state
Generated with AI, which can make mistakes.
Is this a good recommendation for you?


