# Praxel

- **Event:** [Built with Opus 4.6: a Claude Code hackathon](https://cerebralvalley.ai/e/claude-code-hackathon)
- **When:** Feb 10 at 12:00 PM – Feb 17 at 10:00 AM (EST)
- **Where:** Location TBA
- **Team:** [Venkata Pushpak Teja Menta](https://cerebralvalley.ai/u/pushpak)
- **GitHub:** https://github.com/poojitha-rachuri/praxel-arena/
- **Demo video:** https://share.descript.com/view/2LWF9NfYGV0
- **Gallery:** https://cerebralvalley.ai/e/claude-code-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/claude-code-hackathon/hackathon/gallery/109

Praxel Arena ( https://arena.praxel.in )  is an AI-native skill credentialing platform where business professionals prove their skills through 30-second micro-interactions, not month-long courses or $10K certifications.

Users swipe through AI-generated cards (spot-the-signal, forced tradeoffs, rank-and-prioritize) that test business judgment across six cognitive dimensions. Every response is evaluated by Claude in real-time with per-dimension scoring and personalized feedback.

Three modes: Learn (drills with teaching moments), Practice (timed sprints with AI debriefs), and Compete (head-to-head duels with chess-style Elo ratings and side-by-side radar comparisons).

Opus 4.6 is the entire testing infrastructure. It generates assessments across 24 business topics, evaluates nuanced judgment with dimensional scoring, powers duel adjudication comparing two professionals side-by-side, and conducts Socratic voice coaching via ElevenLabs.

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