Y Combinator Winter 2024 (W24) Companies

OffDeal is an AI-powered investment bank that provides M&A advisory services to small business owners seeking to exit their businesses. The company combines proprietary technology that identifies and analyzes potential buyers with seasoned bankers to facilitate sales at premium valuations.

3 investors

Oma Care provides a platform that compensates caregivers for caring for their loved ones, addressing the caregiver experience.

1 investor

OneGrep provides an AI agent that integrates with DevOps tools to automate manual operational tasks, including search, correlation, and incident response workflows, enabling engineering teams to reduce tool training overhead and accelerate development cycles.

2 investors

Onyx is an open-source application platform for large language models that enables teams to leverage any LLM while maintaining data transparency and customization. The platform integrates internet search, internal knowledge connectors, code execution, and model context protocol integrations to provide enterprise and startup teams with flexible AI deployment options.

1 investor

Open builds AI systems for customer communication and support that automate ticket resolution, quality assurance, and customer insights in a single unified platform. The company serves businesses looking to consolidate fragmented customer service operations.

1 investor

OpenCall builds AI-powered call handling solutions that automate routine customer service interactions, freeing human agents to focus on complex issues and high-value work. The platform combines AI with human agents to reduce operational costs for customer-facing businesses.

1 investor

OpenFoundry provides a developer platform for discovering, prototyping, and deploying open-source AI models to production environments. The platform serves AI developers and teams building AI-powered products.

2 investors

Openmart provides a verified database of 50,000+ real estate investors across the United States, including investment firms, property investors, and syndicates, with enriched contact data for B2B sales and marketing teams. The platform enables direct outreach to decision-makers with email campaigns and segmented lists filtered by location, business size, revenue, and specialization.

4 investors

PandasAI is an open-source library that lets users query data stored in dataframes, databases, or data lakes using natural language to perform analysis and generate visualizations without writing code.

4 investors

Panelytic provides payments, identity, and financial controls infrastructure for autonomous machines. The company operates in the machine economy sector, enabling secure transactions and identity management for autonomous systems.

1 investor

Paradigm provides an AI agent orchestration platform that works with spreadsheet-like structured data, allowing users to deploy multiple intelligent agents to work with tabular information.

3 investors

Parallel develops AI agents for hospital administrative workflows, specifically automating medical coding tasks to increase coding speed and accuracy while integrating with existing hospital systems.

2 investors

ParcelBio develops APEXm, a proprietary mRNA platform that enhances protein expression for longer-lasting therapeutic effect compared to conventional mRNA technologies. The platform targets autoimmune disease, oncology, and therapeutic protein replacement applications.

5 investors

PartnerHQ operates a marketplace where B2B companies purchase introductions between decision-makers to facilitate sales conversations. The platform maps professional relationships and allows individuals to earn revenue by facilitating connections.

1 investor

Patchwork offers an AI-powered alternative to Slack that uses personalized feeds to organize team communications including updates, design and engineering discussions, and announcements for individual team members.

1 investor

Pazi provides a platform for creating autonomous agents that handle business operations across various company roles, from software development to sales, with the ability to set objectives and monitor progress.

1 investor

Penciled is an AI-powered patient scheduling and cancellation management platform for physical therapy clinics that integrates with WebPT. The platform automates administrative tasks including patient texting for scheduling, intake completion, and cancellation filling to increase visit volume and reduce front-desk workload.

1 investor

Piramidal bridges in-vivo and in-silico intelligence for neuroscience research and clinical applications. The company develops technology that integrates biological data with computational intelligence.

5 investors

Pivot Robotics develops adaptive manufacturing automation systems that combine 3D vision, AI, and adaptive control to eliminate finishing bottlenecks in production. The company serves manufacturers seeking flexible automation that adapts to variable processes without requiring programming expertise.

3 investors

PointOne automates administrative and time-tracking tasks for large law firms to improve operational efficiency. The company provides data insights to help legal firms make data-driven decisions around staffing, pricing, and innovation as the industry adapts to AI.

3 investors

Polar provides remote workers, freelancers, and maritime employees with U.S. bank accounts and tools to transfer dollars to over 120 countries, hold USD savings at competitive rates, and trade commodities and cryptocurrencies.

1 investor

Polished is an AI agent that generates finished advertisements (video and static) from user prompts or existing ads in minutes, then iterates on them conversationally. It serves ad creators and marketers across all platforms (Meta, TikTok, YouTube, LinkedIn) with built-in generation, remixing, voiceover, and music composition.

1 investor

Powder provides an AI document extraction agent that parses financial documents (brokerage statements, tax returns, insurance documents, estate plans, and asset decks) for registered investment advisors and wealth management firms. The platform extracts structured data from unorganized documents to automate portfolio analysis and proposal generation.

2 investors

Precip provides hyper-local rainfall measurement and forecasting using AI, delivering up-to-the-hour precipitation data at 1km resolution without requiring physical weather stations. The service targets industries and organizations that need accurate rainfall data for operational decision-making and scheduling.

2 investors