SaaStr AI App of the Week: v0 by Vercel. The Vibe Coding Tool That 4 Million People Use to Ship Real Software, Not Just Demos
The Bottom Line: v0 is Vercel’s AI-powered development agent that lets anyone, from engineers to marketers to PMs, describe what they want in plain English and get production-ready websites in minutes. Launched in late 2023 and now used by over 4 million people,...
SaaStr AI App of the Week: Lightfield — The AI-Native CRM That Updates Itself, Preps Your Meetings, and Actually Knows Your Customers Cold
The Bottom Line: Lightfield is the AI-native CRM built by the founders of Tome — the presentation tool that hit 25 million users and raised $81M from Coatue, Greylock, Lightspeed, 8VC, and GV at a $300M valuation. CEO Keith Peiris and CPO Henri Liriani (both ex-Meta,...
The Real Data on AI Agents: What 1 Trillion Tokens a Day Reveals with OpenRouter’s COO
Chris Clark, Co-Founder and COO of Open Router, sits at one of the most unique vantage points in AI — running the world’s largest AI gateway, processing over a trillion tokens per day across 70+ providers. Here’s what he’s actually seeing in the...
SaaStr AI App of the Week: People.ai — The Answer Platform That Turns Your Sales Activity Data Into the Only Forecast You Can Trust
The Bottom Line: People.ai has been building the AI data layer for revenue teams since 2016 — years before “AI-native” became a buzzword. Founded by Oleg Rogynskyy (who came to the U.S. from Ukraine at 15 and started at Boston University), the company has...
SaaStr AI App of the Week: Relevance AI — The Platform Where Ops Teams Build Entire AI Workforces (Without Writing a Line of Code)
The Bottom Line: Relevance AI isn’t another single-purpose AI agent. It’s the platform where your ops team — not your engineers — builds, deploys, and manages a full AI workforce. Canva, Databricks, KPMG, Lightspeed, and Autodesk are already running...
AI App of the Week: Vivun — The AI Sales Engineer That Actually Does the Work
The Bottom Line: Ava by Vivun is an AI sales teammate built by founders with 25+ years in technical sales. It’s not a call summarizer—it preps you before meetings, answers complex questions in real-time during calls, and generates the follow-up materials after....
App of the Week: OpenRouter — The Universal API for All Your LLMs
One API. 300+ Models. 60+ Providers. And Why Every AI-Native Startup Needs This. We’ve featured a lot of amazing AI tools in our App of the Week series. But OpenRouter might be the most foundational one yet. Because if you’re building anything with AI —...
SaaStr AI App of the Week: Kintsugi — The AI That Puts Sales Tax on Autopilot
Every week, we highlight an AI-powered app that’s actually solving real problems for B2B and Cloud companies. This week: Kintsugi. The next generation AI agent for B2B tax compliance. The Problem Nobody Wants to Talk About One dirty little secret of scaling a...
AI App of the Week: Aurasell – The AI-Native CRM That’s Actually Replacing 15 Tools
The tl;dr: Aurasell launched in August 2025 as the first AI-native CRM platform, raising $30 million in seed funding that closed in 28 hours. Founded by former VMware, Nutanix, and Twilio operators who were fed up with tool sprawl, the company is consolidating 15+...
SaaStr AI App of the Week: HappyFox – Cut Support Tickets 50% With AI That Actually Stays Inside Your Knowledge Base
HappyFox is an AI-powered support platform that serves over 12,000 companies globally – all without raising a single dollar of venture capital. And come meet them live, in person at SaaStr AI London on Dec 1-2!! If you’re running a B2B SaaS company and still...
SaaStr AI App of the Week: Dust – Build Custom AI Agents That Actually Know Your Company’s Data
Dust is a no-code platform that lets anyone in your company build AI agents connected to your tools and data – achieving 70% weekly adoption rates at companies like Doctolib, Qonto, and Clay. Why Dust Matters Right Now If you’re running a B2B SaaS company...
AI App of the Week: Assistant UI – The React Library That’s Eating the AI Chat Interface Market
Why 450K+ monthly downloads and Y Combinator backing signal this is the developer tool AI product builders have been waiting for Here’s a question every B2B founder building with AI has wrestled with: How do you get ChatGPT-quality UX into your own product...
SaaStr AI App of the Week: Higgsfield — The Video AI Platform That’s Crushing It Where Everyone Else Is Still Prompting
The Reality: Most AI Video Tools Are Still Stuck in the Prompt Era. Higgsfield Said “Click-to-Video” Instead. AI video generation technology has been impressive for the better part of a year, but the UX has been challenging for many B2B use cases. E.g.,...
SaaStr AI App of The Week: Alloy — The AI Prototyping Tool That Actually Looks Like Your Product (Not Some Generic App Builder)
The Bottom Line: Alloy is “vibing” for product development. You can prototyping new features for existing products in plain english in a prompt or two. It’s the first AI prototyping tool that captures your actual product from your browser — and generates...
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