Voxel
idle 0:00$0.000Voxel is a pitch-practice coach. A skeptical AI persona interrupts your pitch at weak points — then gives you objective, structured feedback on how well you recovered.
Powered by AssemblyAI's Voice Agent API for real-time conversation, plus a second, independent analysis pass using session data and sentiment analysis.
How this works
The Voice Agent API runs the live conversation. Once the call ends, its timeline is combined with AssemblyAI's sentiment analysis and sent to a separate, independent LLM judge pass — which scores your pitch across three categories: content substance, composure under pressure, and audience responsiveness.
Transcript
Start the call and talk. Partial transcripts appear as they stream, and tool calls show up inline.
Every websocket frame, both directions. Repeats collapse into a count.
Loading the published agent.
Feedback
Reviewing what you said...
Could not generate feedback for this call.
Progress
No past sessions yet — feedback from each call is saved here automatically.
Stored only in this browser — not sent anywhere.