Top other Startups

OpenAI closes funding round at an $852B valuation

OpenAI, not yet public, raises $3B from retail investors in monster $122B fund raise

Whoop’s valuation just tripled to $10 billion

Hermeus raises $350M to build unmanned hypersonic fighters

Show HN: Netlify for Agents

Mirage raises $75M to continue building models for its AI video-editing app Captions

Loop raises $95M to build supply chain AI that predicts disruptions

InsightFinder raises $15M to help companies figure out where AI agents go wrong

X-energy stock pops 27% on first day of trading following upsized IPO

Granola raises $125M, hits $1.5B valuation as it expands from meeting notetaker to enterprise AI app

The Facebook insider building content moderation for the AI era

Show HN: Postgres extension for BM25 relevance-ranked full-text search

Blue Energy raises $380M to build grid-scale nuclear reactors in shipyards

Show HN: I took back Video.js after 16 years and we rewrote it to be 88% smaller

AI learning app Gizmo levels up with 13M users and a $22M investment

Show HN: gcx – The Official Grafana Cloud CLI

Show HN: Agent Vault – Open-source credential proxy and vault for agents

We've raised $17M to build what comes after Git

NASA Artemis II moon mission live launch broadcast

Slate Auto raises $650M to fund its affordable EV truck plans

Show HN: Signals – finding the most informative agent traces without LLM judges

Show HN: Most products have no idea what their AI agents did yesterday

Show HN: Pion/handoff – Move WebRTC out of browser and into Go

Show HN: I'm 15 and built a cryptographic accountability layer for AI agents

Show HN: Zoneless – Open-source Stripe Connect clone with $0.002 fees using USDC

Show HN: Marimo pair – Reactive Python notebooks as environments for agents

Show HN: Browser Harness – Gives LLM freedom to complete any browser task

Show HN: QVAC SDK, a universal JavaScript SDK for building local AI applications

Show HN: React Email 6.0 – An open-source email editor you can embed in your app

I built a dev tool with great distribution but I can’t sell

Show HN: Kelet – Root Cause Analysis agent for your LLM apps

Show HN: A CLI that writes its own integration code

Littlebird raises $11M for its AI-assisted ‘recall’ tool that reads your computer screen

Show HN: Cabinet – Kb+LLM (Like Paperclip+Obsidian)

Every fusion startup that has raised over $100M

Show HN: Smol machines – subsecond coldstart, portable virtual machines

Show HN: Large scale hallucinated citation problem in published literature

Show HN: A Karpathy-style LLM wiki your agents maintain (Markdown and Git)

He Had a Problem, Built an App to Fix It, and Now Makes $100K a Month

Show HN: I'm organizing a vibe coding game dev competition

Show HN: Kontext CLI – Credential broker for AI coding agents in Go

Show HN: PhAIL – Real-robot benchmark for AI models

Show HN: Solitaire – identity layer for AI agents, not just another memory tool

Show HN: Alien – Self-hosting with remote management (written in Rust)

Show HN: Gemini can now natively embed video, so I built sub-second video search

Show HN: Mcptube – Karpathy's LLM Wiki idea applied to YouTube videos

Show HN: Matrix OS, like Lovable, but for personal apps

Show HN: Open load forecasts that beat US grid operators on 6 of 7 RTOs

Show HN: Libretto – Making AI browser automations deterministic

Show HN: DuckDB community extension for prefiltered HNSW using ACORN-1