
GREG ISENBERG
gregisenberg
35 STARTUP IDEAS TO START IN 2025 (saas, ai agents etc) 1. AI agent that turns customer testimonials into multiple formats - social proof, case studies, sales decks. marketing teams need this daily. $300/month. 2. agent that turns product demo calls into instant microsites. sales teams record hundreds of calls but waste the content. $200 per site, scales to thousands. 3. fitness AI that builds perfect workouts by watching your form through phone camera. adjusts in real-time like a personal trainer. $30/month 4. directory of enterprise AI budgets and buying cycles. sellers need signals. charge $1k/month for qualified leads. 5. AI detecting wasted compute across cloud providers. companies overspending $100k/year. charge 20% of savings. win-win 6. tool turning customer support chats into custom AI agents. companies waste $50k/month answering same questions. one agent saves 80% of support costs. 7. agent monitoring competitor API changes and costs. product teams missing price hikes. $2k/month per company. 8. tool finding abandoned AI/saas side projects under $100k ARR. acquirers want cheap assets. charge for deal flow. Could also buy some of these yourself. Build media business around it. 9. AI turning sales calls into beautiful microsites. teams recreating same demos. saves 20 hours per rep weekly. 10. marketplace for AI implementation specialists. startups need fast deployment. 20% placement fee. 11. agent streamlining multi-AI workflow approvals. teams losing track of spending. $1k/month per team. 12. marketplace for custom AI prompt libraries. companies redoing same work. platform makes $25k/month. 13. tool detecting AI security compliance gaps. companies missing risks. charge per audit. 14. AI turning product feedback into feature specs. PMs misinterpreting user needs. $2k/month per team. 15. agent monitoring when teams duplicate workflows across tools. companies running same process in Notion, Linear, and Asana. $2k/month to consolidate. 16. agent converting YouTube tutorials into interactive courses. creators leaving money on table. charge per conversion or split revenue with them. 17. marketplace for AI-ready datasets by industry. companies starting from scratch. 25% platform fee. 18. tool finding duplicate AI spend across departments. enterprises wasting $200k/year. charge % of savings. 19. AI analyzing GitHub repos for acquisition signals. investors need early deals. $5k/month per fund. 20. directory of companies still using legacy chatbots. sellers need upgrade targets. charge for leads. 21. agent turning Figma files into full webapps. designers need quick deploys. charge per site. Could eventually get acquired by framer or something. 22. marketplace for AI model evaluators. companies need bias checks. platform makes $20k/month. 23. tool detecting AI policy violations in comms. legal teams missing risks. $2k/month per company. 24. AI turning business metrics into investor updates. founders waste days monthly. $500 per update. 25. tool detecting when APIs silently change specs. engineering teams waste weeks debugging. $1k/month per integration monitored. 26. tool detecting when competitors accidentally leak roadmap details in meta tags, GitHub commits, and job posts. product teams need signal. $2k/month per competitor tracked. 27. marketplace for AI training video creation. companies need custom data. charge per project. 28. platform finding underpriced acquisition targets by scanning for companies with high NPS but poor marketing. $10k/month to investors. 29. marketplace for sharing expensive API credits. companies overbuy capacity they don't use. take 15% of trades. 30. agent converting PDFs into searchable knowledge bases. teams losing docs. $1k/month 31. AI turning bug reports into test cases. devs waste hours rewriting. charge per month. 32. AI that turns your photos into perfect social posts with your writing style. end Instagram anxiety. $15/month. 33. AI turning your Kindle highlights into personalized learning materials. remember what you read. $20/month. 34. agent turning company slack/notion into personalized onboarding. teams waste weeks training new hires. $5k/month per company 35. marketplace for AI training data from failed startups. acquirers need datasets. platform makes $30k/month in deals. build something people need. make it simple. charge money. don’t bookmark this, build it. im rooting for you good luck.