Sparrow AI is live.
Built a sales training platform where reps can actually practice calls using voice. Cold calls, discovery calls, objection handling. All with AI that sounds and responds like a real prospect.
Tech side:
- ElevenLabs handles the voice conversations
- Gemini 2.0 Flash generates unique prospects with their own backstory, personality, and objections
- Llama 3.3 on Groq scores the call after, with Gemma as a fallback if needed
- Multi-account failover system so it stays reliable
You can try it at sprrw.app
The idea is simple. Practice here, mess up here, get better here. Not on real calls with real money.

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