MentionFox lists 45 Generative AI companies for 2025. Of them, 43 are Y Combinator companies (the newest batch here is Fall 2025, with 14); 2 won an SBIR or STTR award.
Companies45
Y Combinator43
SBIR/STTR winners2
Other years
All years (273) 2026 (31) 2024 (50) 2023 (64) 2022 (25) 2021 (24)
Generative AI startups in 2025
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Icon Technology Inc | O2d-0249 generative AI to streamline DOD construction approvals | Award starts Sep 29, 2025 | $1.2M | SBIR Phase II | Federal award record |
| Opal AI Inc | Ignite - firegpt: a vision language model for prescribed burn decision support using NASA earth science data | Award starts Sep 29, 2025 | $899,845 | SBIR Phase II | Federal award record |
| Absurd | The Creative OS for AI video | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Anto Biosciences | A Foundation Model for Microbial Communities. | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Bolna AI | Voice AI to enable India's next billion | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Codyco | The AI Reservation Team for Hotel Groups | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Expected Parrot | Simulate your customers with AI agents | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Koyal | Agentic AI Filmmaking Platform | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Lakonia | Delivering AI-powered situational awareness in tactical environments. | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Lightberry | Robots with soul | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| LunaBill | AI Voice callers for healthcare billing teams | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| MSPilot | Turn AI adoption into a recurring revenue line. | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Pixley AI | The first platform where families can create AI cartoons in minutes | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Specific Labs | Real World Environments and Data for AI | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Unsiloed AI | API for parsing multimodal unstructured data | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Velvet | World model datasets and research | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Closera | AI Shopping Agent for Your Ecommerce Store | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Doe | The boring stuff, handled | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Humoniq | AI-Native BPO for travel & transport | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Knowlify | The AI Explainer Video Maker | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Llm Stats | Independent AI evaluations lab | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| truthsystems | Automatically blocking risky behavior with real-time governance agents | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Uplift AI | Foundational Voice Models for regional languages | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Auctor | The agentic operating system for modern system integrators. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Bluejay | Test, monitor, and improve your voice and chat AI agents | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Cashew Labs | Recursive self improving harnesses and models | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Habit | Accelerating world models. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Kashikoi | Simulation Engine for Benchmarking AI Products | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Paper Instruments | Open-source frontier models for knowledge work | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| RunRL | Reinforcement learning as a service | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| stratify | AI agents that help you understand your customers' needs | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| a0.dev | We make mobile apps using AI. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Alice.tech | AI-driven exam prep | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| assistant-ui | Open Source React.js Library for AI Chat | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| awen | awen translates intent into exceptional visuals through conversation | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Bezel | Digital AI humans that model clothes for e-commerce brands. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Calltree | Enterprise-grade AI support reps for call centers | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| careCycle | Voice AI teams for medicare agencies. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Confident AI | The LLM Eval and Observability Platform for AI Quality | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Lucid | interactive video models | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Mosaic | Frontier Video Agents | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Overstand Labs | Navigate any set of data - no matter how large - in minutes. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Promptless | An AI teammate that automatically updates your customer-facing docs | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Roark | Test, monitor, and improve your voice agents | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Sennu AI | We turn traditional companies into AI companies | Winter 2025 | Y Combinator batch | Y Combinator listing |
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Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.