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Dev.to
Dev.to
7/20/2026
The original title is "Can You Beat an LLM? Building Humans vs. Humanity's Last Exam"

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.

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