Hossein AI System Design

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Portfolio

Selected projects, with what they were for and what changed.

Pinned

Collaboration 2.0 — R&D Operating Model

Diagnosing why a ~100-person R&D division kept producing work nobody adopted, and a phased intervention. Reasoning is the deliverable.

June 30, 2026
Pinned

Persian Voice Assistant Platform

A smart-home voice assistant for Persian speakers — wake word on a 1 GB edge device, speech recognition in the cloud, and a per-user intent model small enough to fit in a 40 KB file.

December 31, 2025
Kodoom: Persian and English Decision Model

A compact model for developers turning Persian or English context into structured workflow decisions, with measured gains on a small held-out Persian sample.

October 25, 2026
The RAG Course, Offline

DeepLearning.AI's RAG course, rewritten to run fully offline on a 10th-gen i3 laptop — plus a measured improvement: an embedding router in place of one LLM call doubles a 1.5B model's correct answers and cuts median latency from 161 s to 36 s.

September 24, 2026

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