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[ARTICLE · art-69028] src=founders-feed.com ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Show HN: Founders Feed

Founders Feed, a daily newsletter for startup founders, highlights Supabase's launch of Realtime v3, which supports 100k concurrent connections per node with per-channel auth and usage-based pricing, making multiplayer side projects 10x cheaper to run. The newsletter also covers OpenAI's launch of Presence, an enterprise AI agent platform, and Google DeepMind's release of Gemini 3.6 Flash, 3.5 Flash-Lite, and 3.5 Flash Cyber, alongside a report that 34 companies joined the Crunchbase Unicorn Board in June, including 10 AI labs.

read2 min views1 publishedJul 22, 2026
Show HN: Founders Feed
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Supabase launches Realtime v3 with 10x connection density

The Realtime engine was rewritten for 100k concurrent connections per node, with per-channel auth and usage-based pricing.

Why it matters — Your multiplayer side project just got 10x cheaper to run — one hobby-tier node now handles launch-day traffic.

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[AIsignal 4/5 · OpenAI Blog](https://openai.com/index/introducing-openai-presence)

OpenAI Launches Presence: Enterprise AI Agent Platform

AIsignal 4/5 · OpenAI Blog

OpenAI and Hugging Face Address Security Incident in Model Evaluation

AIsignal 4/5 · Google DeepMind

Google DeepMind Releases Gemini 3.6 Flash, 3.5 Flash-Lite, and 3.5 Flash Cyber

FUNDINGsignal 4/5 · Crunchbase News

34 Companies Join Crunchbase Unicorn Board in June; 10 Are AI Labs

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