Artificial Intelligence Startups

Shepherd provides schools with a learning platform that integrates AI-powered study tools, tutoring access, peer collaboration features, and progress tracking to offer students personalized academic support.

1 investor

A video dataset company that provides cleaned, segmented, and labeled video content from millions of hours of footage for AI model training. The platform serves AI research labs and development teams.

1 investor

SID trains agentic search models that improve search accuracy and performance on complex search tasks by providing better contextual understanding. The company develops AI models designed to connect intelligence to the world through advanced search capabilities.

1 investor

SiLogy provides Viv, an AI verification engineer that autonomously debugs failing tests for chip developers by analyzing code, log files, and waveforms. The platform operates fully on-premise with optional bring-your-own-key LLM access, serving semiconductor design and verification teams.

1 investor

Silurian develops customized foundation models for simulating the impact of weather on assets and infrastructure. The company serves energy and government sectors.

1 investor

Simulithic runs AI agent simulations that model real user cohorts—built from a product's last 90 days of session data—to predict how experiments and product variants will perform before shipping to real users. It integrates with session tools like Clarity and PostHog and returns predicted metrics such as lift, confidence intervals, churn, and activation for product and growth teams.

1 investor

Sitefire provides a marketing platform that helps brands increase their product visibility to AI agents and LLMs by generating and optimizing content discovered by these systems.

1 investor

Sizeless provides an AI-powered mobile workflow for capturing construction trenches and utility connections with 3D precision. The software converts smartphone video scans into CAD-ready plans and GIS models for deep construction, district heating, and utility connection projects.

1 investor

Skymerse provides an automated flight operations decision platform for airlines that checks every flight against live NOTAMs, weather, runway constraints, and aircraft limits to generate flight-ready operational decisions. The company also operates Notamify, a product that transforms NOTAM data into briefings and operational signals for airline crews and dispatchers.

1 investor

Skyvern automates browser-based workflows using AI and computer vision, handling tasks like logging into portals, filling forms, and extracting data without APIs or custom scripts. It serves enterprise teams and developers automating repetitive portal interactions, data extraction, and compliance processes across industries.

1 investor

Slicker is an AI-powered payment recovery platform for subscription businesses that automatically recovers failed recurring transactions through smart retry timing, personalized dunning communications, and analytics. The platform helps subscription companies reduce involuntary churn and protect recurring revenue across multiple payment providers and billing systems.

1 investor

Solari AI provides AI agents to business users without technical expertise that require minimal configuration before deployment.

1 investor

Sophy Health develops multimodal AI agents for wellness platforms, mental health apps, and coaching services. The AI companions provide empathetic support, track behavioral patterns, and integrate across voice and chat channels.

1 investor

AgentRouter provides a wallet and API orchestration platform that enables AI agents to discover, route to, and pay for API calls across multiple third-party services. The platform handles payment processing and routing logic for agents executing various tasks across 770+ supported APIs.

1 investor

Sourceress uses machine learning to match job candidates with open roles by defining job requirements, identifying suitable applicants, and contacting them with personalized messages; hiring managers report satisfaction with recommended candidates over 85% of the time.

1 investor

Speck aggregates data from CRM systems, email, data warehouses, and web sources to provide sales professionals with comprehensive research and context before meetings. The platform integrates directly into browser-based meeting applications to enable real-time information retrieval during calls.

1 investor

Spott builds an ATS and CRM platform for recruitment agencies that integrates AI directly into its core infrastructure. The platform aims to streamline candidate matching, outreach, and administration for professional recruiters through practical AI features.

1 investor

Sprites provides a shared workspace platform that combines campaign management and approval workflows for Google Ads, Meta, LinkedIn, and SEO, with an AI agent that executes approved changes and automatically generates reports. The platform serves marketing teams and agencies managing paid media, SEO, and content workflows.

1 investor

Squire is a developer tool that generates pull request descriptions, conducts code reviews, and writes code to address feedback from reviews.

1 investor

Orca is an agent development environment (ADE) that runs multiple AI code agents (Claude Code, Codex, OpenCode, Grok) side by side in isolated worktrees with built-in terminals, file editor, and git tracking for software developers. It includes a mobile companion app for iOS and Android to manage agent work remotely.

1 investor

StarJar automates the processing of incoming hospital documents such as patient referrals, claims, and medical images for major healthcare systems across the United States.

1 investor

Storia AI develops an open-source AI agent that helps software developers understand and modify code within their organization's codebase and its operational context. The tool uses retrieval-augmented generation grounded in documentation and external references to answer developer questions about architecture decisions and code integration without generating false information.

1 investor

Stratum is an AI platform that reads government application filings, checks them against agencies' existing review rubrics, and routes each step to the model that reviews it most accurately, clearing adjudication backlogs while a human officer still makes the final decision. It targets US government agencies handling filings such as patents, FDA registrations, SEC filings, building permits, passports, and veterans' benefits.

1 investor

Struct is an AI-powered on-call agent that automatically investigates and resolves engineering alerts and incidents by integrating with observability platforms, alerting systems, and work tools. The platform serves software development teams to reduce manual incident triage and allow engineers to focus on shipping.

1 investor