AI & Machine Learning Startups

Onyx provides an AI agent and CLI that runs parallel agent teams against a company's existing codebase to automatically discover and test code improvements for hardware and robotics systems. It integrates with existing repositories, simulators, and hardware testing workflows, tracking experiments as Git commits with stored metric data so results compound across teams.

1 investor

Ooga provides a cloud-based platform for non-destructive testing (NDT) inspections in safety-critical infrastructure industries, combining secure workflows, qualified NDT experts, AI-enabled inspection tools, and real-time remote collaboration in an auditable system. It serves organizations performing critical infrastructure inspections that seek to reduce reliance on fragmented, travel-heavy processes.

1 investor

OOTify is a mental health support platform that uses AI and data-driven matching to connect individuals with personalized mental health services. It focuses on making mental health support more accessible to users in a digital environment.

1 investor

Opally builds AI agents that handle repetitive guest communication for hotels, responding to guest inquiries over email, chat, and calls in the hotel's own voice. It serves hospitality businesses, primarily hotels across Scandinavia and Europe, to speed up responses and increase bookings.

1 investor

Opcore provides high-performance infrastructure operated under real-world conditions, backed by in-house R&D and long-term client relationships. The company positions itself within European AI and data-center infrastructure.

1 investor

Opearlo is a digital platform that provides online services focused on speed, security, and user experience for businesses, organizations, and individuals seeking to improve productivity and efficiency through modern technology.

1 investor

Opeeka provides a Person-Centered Intelligence Solution (P-CIS) that integrates with electronic health records and other data systems to create unified patient profiles and enable population analytics for healthcare organizations. The platform supports healthcare providers and systems seeking to consolidate fragmented patient data across multiple record systems.

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

Open Assembly is a platform for open talent and workforce innovation. The company connects organizations with distributed talent networks and explores new models of work organization.

1 investor

OpenCard provides an expense management API for Expense Management Systems, delivering real-time transaction data, digital receipts, and per-transaction environmental impact metrics as JSON. It also offers an AI-based receipt scanner that extracts date, merchant, line items, VAT, and environmental data from paper receipts.

1 investor

Open Climate Fix develops solar and renewable energy forecasting and nowcasting technology to help electricity system operators and power traders improve forecasting accuracy and reduce reliance on fossil-fuel backup plants. Its work supports grid decarbonisation efforts, with a stated focus on the UK.

1 investor

Open Energy develops electric vehicle platforms and battery swap systems for B2B fleet operators in logistics and ridesharing, combining automotive engineering expertise with AI-powered energy management solutions.

1 investor

OpenInfo provides AI solutions aimed at helping businesses save time, improve customer service, and grow while controlling costs.

1 investor

Open Regen Ag provides AI-driven decision-support tools for farmers and viticulturists, including an AI chatbot specialized in agriculture, a community-driven database of agricultural products and practices with peer reviews, and research organization features. The platform helps growers optimize farming inputs, adopt best practices, and manage farm planning and budgeting.

1 investor

OpenAds generates hyper-contextual ad creatives in real time based on page content and user intent, producing thousands of variations on demand without relying on user targeting data. The platform serves advertisers seeking GDPR-compliant, top-of-funnel campaigns configured from brand guidelines and a URL.

1 investor

OpenAudio provides AI-powered voice and text technology that enables realistic voice cloning and natural conversational interactions. The platform serves businesses looking to automate customer communications and interactions at scale.

1 investor

OpenBB built financial infrastructure software and platforms for investment research, including a terminal, SDK, workspace, copilot, and Excel add-in, serving buy-side and sell-side financial institutions and individual analysts. The company has transitioned to open-sourcing its product suite under a permissive license after being unable to achieve sustainable commercial product-market fit.

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

Opencasa is a tech-enabled real estate company focused on the US Single Family Rental (SFR) market, with a platform that combines SFR portfolio aggregation, capital, property management, and tenant leasing. It provides foreign and domestic investors access to the SFR sector while managing properties across communities.

1 investor

OpenCFO offers an AI-agent platform that automates and orchestrates accounts receivable, accounts payable, and treasury workflows on top of a company's existing ERP and banking systems. It targets finance teams seeking to optimize their cash conversion cycle, improve working capital, and reduce manual reconciliation.

1 investor

OpenClaw is an open-source, self-hosted AI agent that runs on a user's own machine and performs personal tasks such as organizing email, sending messages, managing calendars, and checking in for flights, controlled through chat apps like WhatsApp and Telegram. Aimed at individuals and technical users who want a hackable personal assistant they control, it runs on macOS, Linux, and Windows and supports custom skills and plugins.</parameter> <parameter name="founders">[{"full_name": "Peter Steinberger", "title": "Creator", "twitter_handle": "steipete"}]

1 investor

OpenComputer is an open durable runtime for AI agents, running each session on a persistent virtual machine with full OS access that hibernates when idle and resumes with state intact after crashes or redeploys. It offers agents-as-code deployment, checkpoints, and elastic VMs for developers building on harnesses like Claude Agent SDK and OpenCode.

1 investor

Open Culture builds an automated laboratory platform (Habitat) that autonomously runs cell-culture experiments — perfusing, imaging, and recording living samples — and an AI agent that plans and executes experiments from plain-language descriptions while organizing results into a queryable knowledge graph. It serves neuroscience and biology research labs, drawing on the founders' prior Braingeneers work in electrophysiology and AI.

1 investor

Open Curriculum provides a platform for sharing K-12 educational curriculum resources. The organization believes open access to quality teaching materials is essential for improving education systems.

1 investor