AI & Machine Learning Startups

Retrace is an open-source record-replay tool and AI debugger for Python that captures failed pytest and CI runs as replayable .retrace artifacts, letting an AI debug backwards from real runtime values to the root cause. It targets developers and coding agents debugging CI failures, flaky tests, and production crashes, with verification in VS Code.

1 investor

retrain.ai builds a generative AI-driven Talent Intelligence Platform that provides skills-based data and insights to help enterprises and HR teams plan their workforce, hire, retain, and upskill employees. The company serves employers across industries seeking to address the skills gap through data-driven talent management.

1 investor

reTravel develops machine learning-based marketing solutions for travel companies to improve customer retention, increase engagement, and grow revenue. The company partners with travel tech platforms and industry consultants globally to deliver tailored analytics and marketing strategies.

1 investor

Rette AI provides a revenue cycle platform for orthopedic practices that focuses on workers' compensation, generating statutory authorization requests, checking documentation against ACOEM and California MTUS treatment guidelines, and tracking utilization review deadlines. It aims to reduce claim denials and recover lost revenue for practices with limited administrative staff.

1 investor

ReturnStack provides managed reverse logistics for retailers, receiving, inspecting, and reselling customer returns through its own AI-equipped warehouse operations. It uses multimodal AI to grade item condition, detect return fraud, and automate reselling, while providing returns analytics and reporting.

1 investor

Rev AI provides a developer-first speech-to-text API delivering machine-generated transcripts from pre-recorded files or real-time audio streams across 57+ languages. It also offers voice AI insights such as sentiment analysis, topic extraction, summarization, and translation for developers and enterprises.

1 investor

REV1 develops AI-powered software that automatically converts 3D CAD models into production-ready 2D engineering drawings with geometric dimensioning and tolerancing annotations for mechanical engineers.

1 investor

Reval is an AI-powered recruiting platform that uses AI agents to source, screen, vet, and submit candidates, delivering interview-ready talent to hiring companies within 48 hours. It charges a low kickoff fee plus 10% of base salary on hire, positioning itself as an alternative to traditional recruiting agencies.

1 investor

Revcast is an AI-agent-based revenue planning platform that generates sales forecasts and revenue plans using real-time data on people capacity, pipeline, performance, and costs. It serves go-to-market teams and revenue operations leaders, helping them plan, forecast, and adjust to hit revenue targets.

1 investor

Revealed provides a continuously updated data and intelligence platform on enterprise healthcare buyers—hospitals, practices, payers, and pharma—for RevOps, sales, and marketing teams. It runs pre-engineered queries across licensed, public, and proprietary data to deliver account maps, buying group contacts, and signals, and offers pre-built automations that operate inside tools like Claude, ChatGPT, Copilot, and CRMs.

1 investor

Revealix is a clinical decision support platform for diabetic foot health risk assessment that enables healthcare providers to screen, document, and stratify patient risk in a 3-minute mobile workflow. The platform is designed to help intercept foot wound risk in primary care settings before wounds develop, addressing preventable complications in people with diabetes.

1 investor

REVEL builds special-purpose humanoid robots that learn skilled physical tasks from experienced workers, capturing their know-how and converting it into robot intelligence. It targets manufacturers facing labor shortages and hard-to-fill, repetitive, hands-on roles.

1 investor

REVEL builds special-purpose humanoid robots that capture the skills of experienced manufacturing workers and convert them into robot intelligence to perform hard-to-staff, hands-on physical tasks. It targets high-volume manufacturers facing labor shortages and the loss of expert knowledge.

1 investor

revel8 provides security awareness training that simulates real-world cyber attacks with role-specific scenarios to help employees identify threats, and delivers insights to improve organizational security. It targets European enterprises with an emphasis on regulatory compliance including GDPR, DORA, and NIS-2.

1 investor

Revela Health develops software that performs enhanced AI analysis of routinely captured ultrasound scans to identify subtle signs of endometriosis, returning structured reports to clinicians. The technology aims to shorten the diagnostic pathway for women experiencing pelvic pain by supporting earlier diagnosis and treatment planning.

1 investor

Revelen.AI uses artificial intelligence and machine learning to match ballistics evidence, helping law enforcement identify weapons and suspects and solve firearms crimes faster. Its technology relies on mobile forensics devices and AI/ML processing to deliver real-time crime intelligence for police investigations.

1 investor

Revenir provides an API service that automates VAT reclaim processing for banks and card providers, integrating with tax authorities to enable streamlined VAT refunds directly within banking applications for travelers.

1 investor

Revenium provides real-time attribution and cost monitoring for AI spend, breaking down every model call, agent turn, and tool call by team, customer, feature, and agent. It connects cost to outcomes (TCO, COGS, ROI per workflow), flags waste, and lets teams set spending guardrails to catch cost runaways before they hit the bill.

1 investor

Revenue.io offers a Salesforce-native AI platform that unifies sales dialing, engagement, conversation intelligence, and coaching to guide sales reps in real time. It serves revenue teams — including sales development, account executives, sales leadership, revenue operations, enablement, and marketing — in the sales technology category.

1 investor

Revenue Grid provides revenue intelligence and sales optimization software for sales leaders and teams, helping them improve processes and drive repeatable revenue growth.

1 investor

Revenya provides revenue-based financing (RBF) to venture-backed startups, offering non-dilutive capital repaid as a percentage of monthly revenue. It uses AI/ML to assess a company's financial health and risk from connected data, and offers Shariah-compliant terms, serving startups across the MENA region.

1 investor

ReversingLabs provides a cybersecurity platform for software supply chain and file security, analyzing and deconstructing software binaries to detect risks. It serves enterprises including Fortune 500 companies and cybersecurity vendors across software, banking, defense, retail, and insurance sectors, with its Spectra Core tracking over 40 billion searchable files daily.

1 investor

Revert provides smart plugs that use AI to automatically manage power consumption of commercial equipment based on usage patterns and utility rates, reducing phantom load for schools and businesses.

1 investor

Revery AI operates a social platform where fashion creators showcase designs and build audiences, powered by AI tools that generate product images and create virtual try-on capabilities for styling outfits on different models.

1 investor