
ConvoArc
See the full arc before you pick up the phone
What it does
ConvoArc maps every possible path of a conversation before it happens. How it works: - Describe your scenario - Get an interactive tree showing your opener, likely responses, and optimal replies - Click any branch to explore deeper, AI generates continuations on demand - Every node includes coaching advice specific to that moment Two modes: Sales Mode: Cold calls, discovery calls, re-engagement, objection handling Personal Mode: Difficult talks, asking for things, apologies, emotional support
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Hey HN, Henry from Cactus here! We previously released Cactus Needle, a 14MB agentic LLM for tool call, device use, and structured extraction for phones, wearables, smart homes, small robots and microcontrollers. We got really great feedback here, and have now incorporated the suggestions to release Needle 2. The whole model is a single 14MB binary that runs a full session in 28MB of RAM; 45m parameters at 2bit compression. Needle hits 500 tokens/sec decode speed on a Raspberry Pi 5, sits between 400-1,500 tokens/sec on VR devices like Meta Quest 3S and Apple Vision Pro, and ranges…
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