AI & Machine Learning Startups

Stratifyd offers an analytics platform that unifies customer data from disparate sources (surveys, call centers, chatbots, CRM, reviews, and more) to surface insights and improve customer experience. It serves enterprises, startups, and medical organizations across industries such as financial services, retail, software, pharma, healthcare, CPG, telco, and utilities.

2 investors

Stray OS develops AI-powered image processing solutions for construction jobsites to improve safety, efficiency, and productivity by digitizing visual data and generating insights.

2 investors

Stream provides AI-powered claims management software for property and casualty insurers, using machine learning to detect inconsistencies and optimize claim outcomes across the entire claim lifecycle.

2 investors

Streamlit provides an open-source Python framework for building and sharing data and machine learning web apps without front-end development, letting developers create interactive dashboards and apps directly from Python scripts. It serves data scientists and developers, with deployment options through Streamlit Community Cloud or Snowflake for enterprise use.

2 investors

Streambased makes Apache Kafka and Apache Iceberg queryable together, providing a unified view of real-time and historical data without copying data or building new pipelines. Aimed at data teams, it supports real-time analytics, dashboards, machine learning, and data science by exposing Kafka topics as query-ready Iceberg tables.

2 investors

Streamlined provides a B2B invoicing and accounts-receivable platform that automatically matches incoming payments to invoices, handling ACH and offline transactions, partial payments, overpayments, and corporate hierarchies. It integrates with ERP systems such as NetSuite and QuickBooks to sync reconciled payment data.

2 investors

StreamSights offers SightsAI, a synthetic audience platform that builds demographically and psychographically accurate AI "twins" from real-time data to let teams simulate, pretest, and optimize messaging, positioning, and content before launch. It also provides a Synthetic-Audience-as-a-Service API for integrating impact simulation and response optimization into existing LLM pipelines, serving communications and marketing teams.

2 investors

Streetbeat is an SEC-registered AI platform for finance, offering tools for wealth management, retail investing, and compliance including an AI copilot for financial advisors and a white-label investing platform for banks and fintechs. It serves financial institutions and advisors, with products spanning portfolio construction, no-code AI agent orchestration, and a consumer investing app.

2 investors

Streetbees offers SBX, an AI-powered consumer research platform that combines quantitative data with qualitative human stories, letting brands explore, test, track, and segment consumer behavior. It serves companies making innovation, growth, and brand decisions, with tools for gathering consumer insights via a mobile app community.

2 investors

Strider provides data and analytical services to identify organizations connected to strategic infrastructure projects and reveal links between commercial entities and government/military actors, particularly focused on People's Republic of China activities in Latin America and the Caribbean.

2 investors

Strike Graph provides an AI-native governance, risk, and compliance (GRC) platform that automates security compliance processes for organizations of all sizes. The company's platform includes tools for evidence validation, compliance guidance, and third-party risk management across multiple certification frameworks including SOC 2, ISO 27001, and HIPAA.

2 investors

String offers a web access API that handles web scraping at scale with rotating proxies, anti-bot bypass, CAPTCHA solving, automatic retries, and JavaScript rendering capabilities. The API serves developers and agents integrating web data retrieval into applications and systems.

2 investors

Strive Math teaches coding and mathematics to children aged 8-16 through interactive courses and 1-1 classes, with a focus on developing problem-solving and critical thinking skills. The company also provides digital tools to support teachers in delivering engaging STEM learning experiences.

2 investors

Structify helps legacy businesses integrate AI into their operations by mapping data systems and business context, then delivering a concrete blueprint for AI-driven ROI within 30 days. The company serves established enterprises across industries seeking a pragmatic, results-oriented approach to AI implementation rather than consultant recommendations.

2 investors

Structure is a no-code platform for building, backtesting, and deploying automated crypto trading strategies on Web3, letting users describe a strategy in plain English and run it as a deterministic on-chain strategy. It targets algorithmic traders, quants, fund managers, and market makers, with non-custodial, wallet-based execution on DEX venues such as Hyperliquid and Drift.

2 investors

Structured uses AI and computer vision to automatically review architectural and engineering drawing packages, checking for compliance violations, coordination conflicts, and scope gaps across disciplines including architecture, structural, MEP, and civil engineering.

2 investors

Studio builds simulated "societies" that model consumer cohorts of a market and runs a company's proposed decisions—such as price changes, product placements, or promotions—through them to forecast outcomes before launch. It serves insight and marketing teams at enterprises in sectors like retail, streaming, banking, and consumer goods, drawing on public data and a client's own sales, loyalty, and app data.

2 investors

Studydrive is a study platform and community offering over one million student-generated resources such as notes, summaries, and past exams, along with AI tools that generate flashcards and document summaries. It also includes career features like job matching, company profiles, and a careers podcast, with iOS and Android apps for students.

2 investors

Stylar is a virtual try-on app and browser extension that lets users mix and match real clothing items from over 500 brands to create and preview outfits. It targets fashion and shopping consumers who want to build a digital closet and discover their personal style.

2 investors

Styx Intel provides cybersecurity software that helps organizations protect their brand identity and reputation from external threats like executive impersonation, fake websites, and data leaks. The company focuses on digital risk protection, including brand impersonation detection and dark web monitoring.

2 investors

Sublayer is an AI-native software studio and lab that builds products, open source projects, and community around AI, including "Where Is Everyone," an attendance-prediction tool for community organizers. Its work explores software creation as the cost of making things approaches zero.

2 investors

SubQ is a sub-quadratic LLM infrastructure company that provides a 12M token context window API for developers and enterprise teams. The platform enables reasoning across full code repositories and long-running agent state through a sparse-attention architecture that reduces attention compute while maintaining reasoning quality.

2 investors

Subsets provides an AI-driven platform for subscription media companies to reduce customer churn and improve retention through predictive audience identification, experimentation, and automation. The platform integrates with subscription, product, and CRM data to enable commercial teams to run A/B tests, analyze results, and automate proven retention strategies without requiring engineering support.

2 investors

Sudowrite is an AI-powered writing tool for novelists and fiction writers, offering features to draft, expand, rewrite, and get feedback on prose, plus story planning tools like Story Bible and a plot canvas. It also includes a chat assistant, brainstorming, image generation from descriptions, and a plugin marketplace, sold on a subscription basis.

2 investors