Sigma, a product of SigmaPointPi.
The operator inside your business
What it does
The operator inside your business It listens, reads your books, does the work, and will not move money on its own word.
SigmaPointPi builds and operates integrated intelligence systems for markets and institutions—Neural Market Operating Systems, corporate spend intelligence, quantitative platforms, and decision-grade analytics.
SigmaPointPi engineers integrated intelligence systems that consolidate global data, model uncertainty at scale, and deliver decision-grade clarity for markets, institutions, and national systems. It listens, reads your books, does the work, and will not move money on its own word. Four hundred and two thousand across three accounts, down since Friday because payroll cleared. Read from the ledger just now. Every entry behind it reconciled. Prepared, and I am not sending it. It needs your passkey and a second person. A confident sentence built on nothing is the most expensive thing anyone can hand you. This Master Services Agreement is entered into as of the Effective Date by and between the…from sigmapointpi.com
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I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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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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Launched alongside, September 2026
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