Cover Image for LLM Feedback Loops || Voice AI Hackathon
Cover Image for LLM Feedback Loops || Voice AI Hackathon
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Fractal Tech: NYC
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Registration
Past Event
Welcome! To join the event, please register below.
About Event

Overview
Join us for a hackathon focused on advancing Voice AI through intelligent feedback loops and evaluation systems. Using ElevenLabs’ voice synthesis and LLMs, we’ll build adaptive voice agents that can self-diagnose and improve their own system prompts over time.

Evaluating LLM systems is a major challenge—and we're tackling it head-on. Whether for interviews, data collection, or dynamic conversations, let’s create voice agents that don’t just talk, but continuously self-improve.

Who Should Join?
Engineers, prompt designers, LLM researchers, UX thinkers, conversation designers, and anyone curious about voice interfaces and AI feedback loops.

Come with a project idea, or find collaborators at the event. Solo? We'll help with team formation after kickoff.

Examples:

  • Expert Interviewer: A voice agent that questions domain experts to capture both quantitative metrics and rich qualitative insights, then refines its questioning strategy through feedback‑driven prompt tuning.

  • Learning Buddy: A voice companion that adapts tone, pacing, and complexity to the user’s comprehension level—self‑diagnosing and improving its system prompts from interaction history.


Sponsors
ElevenLabs – Voice AI reimagined.

Prizes
- 3 months free of the Creator tier for all attendees
- 1.1+ million characters for each member of the overall winning team (3 months of the Pro tier)
- 11+ million characters for the "Best project built with ElevenLabs" for each team member

Judging
Looking for systems:
- Adaptive Intelligence: Self-Evolution
- Conversational Craft: Human Connection
- Real-World Impact: Practical Innovation

Judges
Tobias Hanl (Rilla)
Sunjana Ramana
Max Lynch (11Labs)
Hari Prasad Renganathan
Sarthak Singh Chauhan & Pratham Bansal (Lanesurf)

Schedule

  • 8:30am - Doors Open (coffee, mingle)

  • 9:30am - Hackathon Starts (talks)

  • 10:00am - Team Assignments, Coding Begins

  • 1:00pm - Lunch

  • 4:00pm - Submissions

  • 4:15pm - Demo

  • 5:00pm - Judging & Prizes


Contact us here.

Location
Fractal Tech
111 Conselyea St Floor 2, Brooklyn, NY 11211, USA
Avatar for Fractal Tech: NYC
Presented by
Fractal Tech: NYC
205 Went