MentionFox lists 273 Generative AI companies. Of them, 268 are Y Combinator companies (the newest batch here is Fall 2026, with 5); 3 filed a Form D notice with the SEC; 2 won an SBIR or STTR award.
By year
- 2026: 31 companies (28 Y Combinator, 3 Form D filers)
- 2025: 45 companies (43 Y Combinator, 2 SBIR/STTR winners)
- 2024: 50 companies (50 Y Combinator)
- 2023: 64 companies (64 Y Combinator)
- 2022: 25 companies (25 Y Combinator)
- 2021: 24 companies (24 Y Combinator)
Generative AI startups from other years
Companies from before 2020, or from a year with fewer than 15 of them. Every other year has its own full list, linked above.
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Aquarium Learning | We help ML teams improve their models by improving their datasets | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Brevy | Empower your customer service team through AI & automation. | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Draftwise | Contract and negotiation AI built for lawyers | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Humanloop | Humanloop is the LLM evals platform for enterprises | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Hypotenuse AI | AI-native Operating System for Enterprise Ecommerce Companies | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| inFeedo AI | AI to engage employees, predict attrition and automate HR/IT support | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Photoroom | Power commerce photography with generative AI | Summer 2020 | Y Combinator batch | Y Combinator listing | |
| Handoff | AI estimator & agent for remodelers. | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Letterdrop | Get into the competitive deals you can't see | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Operator.io | Operator.io is OpenClaw that just works | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Typedream | Build & launch your website in minutes with AI | Winter 2020 | Y Combinator batch | Y Combinator listing | |
| Kraftful | Copilot for product teams | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Mindset Health | Building AI therapeutics for physical health conditions like IBS. | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Rosebud AI | Vibe code games | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Taskade | One prompt | Summer 2019 | Y Combinator batch | Y Combinator listing | |
| Allure Systems | Winter 2019 | Y Combinator batch | Y Combinator listing | ||
| Landed | Generative AI for frontline worker hiring | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Sapling.ai | Language models for enterprise applications. | Winter 2019 | Y Combinator batch | Y Combinator listing | |
| Activeloop | Database for AI | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Leena AI | We at Leena AI build a virtual assistant that answers employee's… | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| LemonBox | AI-generated personalized nutrition solutions, built for you daily. | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Quickchat AI | Conversation Design platform to build Al Assistants tailored to your… | Summer 2018 | Y Combinator batch | Y Combinator listing | |
| Jasper.ai | Jasper is a leader in creating content using Artificial Intelligence | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Orangewood Labs | Orangewood Labs makes worlds most affordable and easiest AI robot arms | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Spellbrush | Making Anime Real | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Weekend (fmr. Volley) | AI games and entertainment on TV | Winter 2018 | Y Combinator batch | Y Combinator listing | |
| Plasticity | Natural language processing APIs for developers. | Summer 2017 | Y Combinator batch | Y Combinator listing | |
| ScopeAI | Automatically extract valuable insights from customer service… | Winter 2017 | Y Combinator batch | Y Combinator listing | |
| Shipamax | Simple, end-to-end automation for logistics orgs | Winter 2017 | Y Combinator batch | Y Combinator listing | |
| MailTime | Emails as quick and easy as text messaging. | Winter 2016 | Y Combinator batch | Y Combinator listing | |
| Replika | Replika is an AI friend that you can talk to designed to make you… | Winter 2015 | Y Combinator batch | Y Combinator listing | |
| PicnicAI | Intelligence to accelerate human health. | Summer 2014 | Y Combinator batch | Y Combinator listing | |
| MixerBox | AI Super-Apps to Live Easier | The anything anytime superapps… | Winter 2014 | Y Combinator batch | Y Combinator listing | |
| Wit.ai | Natural Language for Developers --Wit is an API that makes it easy… | Winter 2014 | Y Combinator batch | Y Combinator listing |
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Related startup lists
AI (268 shared) Developer tools (38 shared) AI agent (33 shared) Sales and marketing (22 shared) AI infrastructure (14 shared) Productivity and workflow automation (14 shared)
Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.