The Hottest AI-Native Startups to Watch in 2025: Harmonic Hot 25 Momentum Leaders
The Harmonic Hot 25 list spotlights the world’s most promising early-stage startups entering Q3 2025 with exceptional momentum, as ranked by aggregated investor interest from hundreds of top VCs. All ten highlighted companies are AI-native, building foundational tools, platforms, and agents that are reshaping industries from customer support and procurement to finance and web development. These startups—such as Lovable, Profound, LangChain, Eloquent AI, Didero, Artisan, wordware, Tabs, Chalk, and Sapien—are at the forefront of AI-driven automation, workflow simplification, and intelligent business solutions, making them essential to watch for anyone following the future of AI innovation
1. Harmonic Hot 25: Top AI-Native Startups Q3 2025
The hottest startups in the world right now 🚀
All of them are AI native 👇
- Lovable - Create apps and websites by chatting with AI.
- Profound - Get your brand mentioned by AI
- LangChain - Tools for every step of building AI agents
- Eloquent AI (YC X25) - Automating customer operations.
- Didero - AI agents for procurement.
- Artisan - AI employees, automating outbound.
- wordware (YC S24) - Build AI workflows using plain English.
- Tabs - Revenue automation for B2B.
- Chalk - AI inference.
- Sapien - Intelligence platform for finance teams.
These startups are entering Q3 2025 with the most momentum.
The Harmonic Hot 25 list ranks top early-stage companies based on aggregated investor interest from hundreds of VCs using Harmonic.