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Private universal chat interface over the OpenRouter ecosystem — 400+ models, branching, streaming, usage tracking. Next.js 16 + SQLite, PWA, deployed on m4m64a at chat.spboucher.ai

…: https://chat.spboucher.ai A private, universal chat interface over the entire OpenRouter ecosystem — one login, one server side API key, 400+ models behind a single catalog, full conversation persistence with branching…

…st the catalog. Custom models & endpoints — add any OpenAI compatible endpoint (OpenRouter, Groq, self hosted gateways…) with a custom model ID and base URL. 🍎 macOS native polish 100 % SwiftUI + AppKit , no Electron, n…

…d into quality: they live on a separate Pareto frontier. Architecture Pipeline: OpenRouter catalog sync → seeded batch generation → parallel evaluation lanes (temperature 0 scored + k consistency samples, full audit trai…

…th per request model routing, live traffic inspection, and cost tracking. Think OpenRouter / LiteLLM — but native, local, private, and gorgeous. 🔒 Private by design — keys never leave your Mac; requests go straight from…