Hottest Startups - March 2025 🔥

Browser Use

Browser Use is pioneering infrastructure that makes websites accessible for AI agents by extracting interactive elements into structured text—minimizing hallucinations while reducing token usage and latency for LLM interactions. Founded in 2024 by Magnus Müller and Gregor Žunič, who met while pursuing master's degrees at ETH Zurich, the startup recently secured an impressive $17M seed funding round led by Felicis Ventures with participation from Paul Graham, A Capital, and Nexus Venture Partners. After building their initial prototype in just four days, the open-source project has exploded to over 50,000 GitHub stars, making it one of the fastest-growing AI projects with more than 15,000 developers actively contributing to their deterministic approach that outperforms traditional vision-based automation methods.

🧨 Attracting interest from 14 VC firms over the last 90 Days

Browser Use - Make websites accessible to AI agents

Make websites accessible for AI agents. Extract interactive elements and automate browser interactions.

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Doji

Doji is revolutionizing fashion e-commerce with AI-powered virtual try-ons, enabling users to generate lifelike avatars from selfies and "try" curated luxury items from partners like LVMH's Loro Piana. Backed by Alexis Ohanian's Seven Seven Six and Origins Fund, the startup recently secured $6 million in Series A funding to scale its iOS-first platform, which reduces return rates by 40% through precise fit prediction. Co-founded in 2022 by Dorian Dargan (ex-Meta/Apple designer) and Jim Winkens (ex-Google DeepMind engineer), who met via a viral Twitter thread on AI x fashion, Doji combines technical rigor with luxury aesthetics. The duo's beta has gained traction at Anthropic and Humane, with plans to white-label their technology for global luxury brands while leveraging AI to track fashion trends and provide personalized style recommendations.

🧨 Attracting interest from 16 VC firms over the last 90 Days

Pickle

Pickle is an innovative AI startup comprised of engineers with medical and computer engineering backgrounds that has developed a personalized real-time lip-syncing clone service for video conferencing platforms like Zoom and Google Meet. Founded in September 2024 and accepted into Y Combinator's Winter 2025 batch, the company secured pre-seed funding from NFX and earlier backing from Krew Capital. Since launching its open beta in October 2024, Pickle has attracted over 1,000 paying clients globally within just three months, with 70% based in the U.S. and professionals from major tech companies like Amazon, Microsoft, Google, and Zoom forming its primary user base. The technology allows participants to engage in video calls without turning on their cameras, using an AI-generated avatar that mirrors their facial expressions and movements in real-time, addressing common challenges in remote communication.

🧨 Attracting interest from 10 VC firms over the last 90 Days

AgentOps

AgentOps is tackling the unpredictability of AI agents with a developer platform that enables building, monitoring, and debugging reliable agent systems through powerful visualization tools. Founded in 2023 by Adam Silverman and Alex Reibman, the company secured $2.6M in funding in August 2024. Recognizing that building reliable AI agents traditionally involves frustrating black box work and prompt guessing, AgentOps provides graph-based tools for tracing, debugging, and deploying agents that actually work. Their platform enables developers to identify exactly where and why agent workflows break down, creating unprecedented visibility into previously opaque processes and establishing much-needed standards for agent development as the technology rapidly matures.

🧨 Attracting interest from 18 VC firms over the last 90 Days

Lighthouse

Lighthouse is streamlining the U.S. immigration process for exceptional technologists with a seamless visa solution that eliminates traditional bureaucratic hurdles. Founded in 2024 and currently bootstrapped, this San Francisco-based startup is creating specialized immigration pathways for the world's brightest tech talent, allowing them to focus on building rather than navigating complex visa requirements. Led by immigration and legal experts with deep connections to the tech ecosystem, Lighthouse combines technology and expert guidance to accelerate visa approvals for high-skilled individuals who might otherwise face significant delays or rejections through conventional channels. The company's innovative approach to talent mobility is positioned to solve a critical bottleneck in global innovation by helping companies access exceptional international talent more efficiently.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Icon

Icon is disrupting digital marketing through its AI Admaker platform that generates viral-ready assets in seconds, leveraging generative AI to produce content with proven virality coefficients. The startup has secured $500K from Peter Thiel's Founders Fund and celebrity backers including Eric Nam (K-Pop), Alex Botez (Chess), and Reilly Opelka (Tennis), with plans to raise a $20M Series A for global expansion. Co-founded in early 2025 by Max Altman (brother of OpenAI's Sam Altman) and a stealth technical co-founder, the team combines Silicon Valley pedigree with AI artistry - Altman previously founded YC-backed Saga and advised Pika and RunwayML. Early campaigns for Red Bull and Gymshark achieved 10M+ views through AI-generated meme-style ads, demonstrating their platform's edge in attention economics.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Profound

Profound is an AI brand reputation management platform that audits enterprise LLM outputs to prevent PR crises, securing $3.5M in seed funding at $18M valuation from Insight Partners in August 2024. Co-founded by Dylan Babbs (Uber Maps design lead) and James Cadwallader (ex-Google Trust & Safety), the startup combines Babbs' expertise in geospatial data visualization with Cadwallader's AI policy background from South Park Commons. Their platform already monitors 15M+ daily inferences for clients like LVMH and Johnson & Johnson, using multimodal analysis to flag brand risks in real-time. Profound helps companies manage their online reputation by analyzing how AI platforms portray and discuss brands, ensuring favorable representation in AI-generated responses and improving visibility in AI search environments.

🧨 Attracting interest from 16 VC firms over the last 90 Days

Maven AGI

Maven AGI is revolutionizing enterprise customer support with AI agents that autonomously resolve over 93% of inquiries, reducing support costs by 81% while handling millions of interactions across 50+ languages. Founded in July 2023 by a powerhouse team including Jonathan Corbin (CEO, ex-VP at HubSpot), Eugene Mann (CPO, ex-Google/Stripe product leader), and Sami Shalabi (CTO, former Engineering Lead for Google News), the Boston-based startup has secured $28M in funding, including a $20M Series A in May 2024 led by M13 Ventures with participation from Lux Capital and MIT's E14 Fund. Their platform unifies fragmented systems, integrates knowledge sources, and enables intelligent actions through what they call "business AGI" – specialized functional AI agents coordinated by an orchestration layer. Early adopters like Tripadvisor, which uses Maven AGI to manage support for 30,000+ hotels and restaurants across 43 countries, report 90% autonomous query handling, enabling human agents to focus on strategic initiatives rather than routine tasks.

🧨 Attracting interest from 12 VC firms over the last 90 Days

MavenAGI

Nous Research

Nous Research is pioneering open-source AI development through its collective of researchers focused on creating human-centric language models that prioritize user freedom and transparency. Founded in 2023 and having secured $5.2 million in funding, including a recent grant from a16z's Open Source AI Grant Program, this Saratoga-based research collective has quickly established itself as a formidable presence in the AI ecosystem. Their flagship Hermes 3 model—optimized from Meta's Llama 3—has achieved over 50 million downloads, powering numerous AI agents across social platforms while offering less biased and more neutral responses than centralized alternatives. In March 2025, Nous Research launched an innovative API providing developers access to "unrestricted" models that major players like OpenAI and Anthropic don't offer, featuring toggle-on reasoning capabilities and a developer-first approach. Their latest initiative, Nous Psyche (launched January 2025), represents a revolutionary step toward democratizing AI by creating a decentralized platform on Solana that allows anyone to participate in training cutting-edge models through distributed infrastructure. Unlike traditional companies, Nous Research operates as a collaborative group of AI enthusiasts united by a shared vision of making sophisticated AI technologies more accessible without reliance on centralized corporations—combining technical innovation with a philosophical commitment to user agency and decentralized development.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Jaideep Sarkar

Jaideep Sarkar is developing a stealth-mode startup in Redmond, Washington, leveraging his deep expertise in cloud infrastructure and enterprise software. While specific details of his venture remain under wraps, Sarkar's background as a technical leader at Microsoft has positioned him to address significant challenges in cloud computing, particularly around AI infrastructure scalability and security. His experience spans both consumer and enterprise technology, with specialization in distributed systems that can handle massive workloads while maintaining reliability and performance. Industry insiders suggest his new venture may focus on solving the growing disconnect between AI model capabilities and the infrastructure needed to deploy them efficiently in production environments. With the project's official launch anticipated later in 2025, Sarkar has been assembling a team of fellow Microsoft veterans and infrastructure specialists, indicating a solution that will likely target enterprise-grade problems. The Redmond location suggests potential synergies with the Microsoft ecosystem while maintaining independence as a startup.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Neopolis

Neopolis is reimagining career development by creating AI career companions that function as personal agents for professionals, while simultaneously helping hiring managers build and coach their dream teams. Founded in 2023 and currently bootstrapped, this Mountain View-based startup draws inspiration from how celebrities and athletes benefit from dedicated agents who manage their career trajectories. Led by a team with backgrounds spanning human resources technology, machine learning, and talent marketplace development, Neopolis has developed an AI system that analyzes career paths, job markets, and individual strengths to provide personalized career guidance and opportunity matching. The platform's dual-sided approach serves both job seekers and employers, creating a more efficient talent marketplace where professionals receive strategic career development while hiring managers gain insights to build complementary teams. By applying AI to career management, Neopolis aims to transform work-life dynamics and create more fulfilling professional experiences, potentially disrupting traditional recruitment and professional development models.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Mastra

Mastra is an open-source TypeScript framework that empowers developers to rapidly prototype and productionize AI agents by providing robust primitives such as workflows, memory-enabled agents, and evaluation tools. Launched in 2024 through Y Combinator with a $500K pre-seed deal, this early-stage venture closed an additional $500K in funding in March 2025. The team is led by seasoned open-source experts including Sam Bhagwat (CEO and co-creator of Gatsby.js), Abhi Aiyer (CTO), and Shane Thomas (CPO), whose combined expertise is steering the evolution of a full-stack AI toolkit for modern web development. Their framework enables developers to build AI features with a modern JavaScript/TypeScript stack, bridging the gap between prototyping and production-ready AI applications.

🧨 Attracting interest from 18 VC firms over the last 90 Days

Pig

Pig is making Windows applications more accessible and automated by enabling users to build complex AI-powered automations without coding expertise. Founded in 2024 and backed by $500,000 in funding secured in March 2025, the San Francisco-based startup has developed a platform that allows users to create, deploy, and manage sophisticated workflows across any Windows application. Unlike traditional RPA tools that require extensive configuration, Pig uses computer vision and natural language understanding to interpret on-screen elements and execute tasks based on simple instructions. The technology can recognize UI components across legacy and modern Windows applications, making it possible to automate complex processes that span multiple programs and previously required human intervention. Especially valuable for enterprises still reliant on legacy Windows software, Pig's solution reduces manual data entry, streamlines repetitive tasks, and enables non-technical teams to build their own automations. The company's vision extends beyond simple task automation to creating AI assistants that can learn from user behavior and proactively suggest optimizations.

🧨 Attracting interest from 12 VC firms over the last 90 Days

Adam

Adam is revolutionizing 3D design by enabling anyone to generate complex CAD models using natural language commands, dramatically lowering the barrier to entry for product development. Founded in 2024 and backed by $500,000 in recent funding, this San Francisco-based startup leverages advanced AI to translate verbal or written descriptions into detailed, editable 3D designs ready for manufacturing. The platform serves both industrial designers and mechanical engineers, eliminating the steep learning curve traditionally associated with CAD software. By processing natural language instructions and references to existing objects, Adam can generate intricate designs in seconds that would take experienced CAD professionals hours or days. The technology shows particular promise for rapid prototyping, allowing designers to quickly iterate through numerous concepts before committing resources to physical production. As manufacturing becomes increasingly automated and distributed, Adam is positioning itself as a critical bridge between human creativity and production systems.

🧨 Attracting interest from 16 VC firms over the last 90 Days

Cal AI

Cal AI is simplifying nutrition tracking with an AI-powered application that instantly calculates calories and nutrients from food photos or barcode scans. Founded in 2024 and based in Roslyn, New York, this bootstrapped startup is addressing a common pain point in health and fitness—the tedious process of logging meals—by leveraging computer vision and machine learning to make calorie tracking effortless. The app analyzes images to identify food items, estimate portions, and provide detailed nutritional breakdowns, eliminating the need for manual entry. What distinguishes Cal AI is its personalization capabilities, which adapt to users' habits and goals, providing smart reminders and actionable insights that help maintain consistency. The app's AI engine learns from each interaction, becoming increasingly accurate at recognizing users' frequent meals and offering predictive suggestions. With a growing user base of fitness enthusiasts and health-conscious consumers, Cal AI is positioning itself to disrupt the $4.2 billion nutrition app market by making precise dietary management accessible to everyone.

🧨 Attracting interest from 12 VC firms over the last 90 Days

Iris Finance

Iris Finance is transforming financial intelligence for operators and investors by providing real-time visibility into company performance metrics that enable data-driven decision making. The Chicago-based startup, founded in 2023, has secured $2 million in funding with its most recent round closing in September 2024. Led by a team with backgrounds spanning fintech, enterprise software, and data science, Iris has developed a platform that aggregates, normalizes, and visualizes financial data from disparate sources to create actionable insights. The company's solution automates complex financial analysis that typically requires teams of analysts, making sophisticated financial intelligence accessible to businesses of all sizes. Their technology is particularly valuable for venture-backed companies that need to demonstrate performance metrics to investors, as well as for investors seeking to monitor portfolio companies with consistent, comparable data. By streamlining financial reporting and forecasting, Iris enables leadership teams to focus on strategic decisions rather than spreadsheet management.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Shapes INC

Shapes INC is an applied research lab pioneering human-AI interaction through the development of general-purpose social agents that can engage naturally across platforms like Discord and X (formerly Twitter). Founded in 2022 and backed by $4.32 million in funding, the San Francisco-based startup has created autonomous AI personalities—aptly called "shapes"—that join online communities and participate meaningfully in conversations. What sets Shapes apart is the scale of deployment: their agents are joining new friend groups at a rate of one every 10 seconds and collectively participate in millions of interactions daily. Led by a team with backgrounds spanning natural language understanding, social psychology, and reinforcement learning from human feedback, the company is pioneering a new class of social AI that can adapt to different community norms and interaction styles. By focusing on creating AI entities that can genuinely participate in human social environments, Shapes is building foundational technology for a future where AI companions become integrated into our digital social fabric.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Sam Blond

Sam Blond is quietly building a stealth startup in Miami, Florida, drawing significant attention from investors and industry insiders based on his exceptional track record in enterprise sales leadership. Most recently known for his transformative role as Chief Revenue Officer at Brex, where he scaled the fintech unicorn's sales organization during its hypergrowth phase, Blond previously held similar positions at Zenefits and EchoSign (acquired by Adobe). His expertise in building and scaling enterprise SaaS sales teams has made him a sought-after advisor and angel investor in the startup ecosystem. Though details about his current venture remain closely guarded, Blond's deep connections in both the Miami and San Francisco tech communities, combined with his experience driving revenue at multiple billion-dollar companies, suggest he's tackling significant challenges in the enterprise software space. With preparations underway for a formal launch later in 2025, industry observers anticipate a solution that addresses fundamental pain points in how businesses sell, operate, or leverage data.

🧨 Attracting interest from 12 VC firms over the last 90 Days

Cline

Cline is developing an autonomous coding agent that operates directly within developers' IDEs, capable of creating and editing files, executing commands, and even using web browsers—all with explicit user permission at each step. Founded in 2024 and currently bootstrapped, this San Francisco-based startup is redefining the developer experience by providing AI assistance that goes beyond mere code completion or suggestion. Unlike most coding assistants that simply generate snippets, Cline acts as a true development partner that can understand project context and execute complex operations across the development environment. The platform's permission-based approach ensures developers maintain control while benefiting from automation that dramatically accelerates common coding tasks. By integrating seamlessly with existing workflows and tools, Cline reduces the cognitive load on developers, allowing them to focus on higher-level architecture and design decisions while the AI handles repetitive implementation details.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Dawn

Dawn is revolutionizing AI application monitoring by providing developers with tools to discover anomalies, set up tracking, and curate high-quality datasets from real user interactions. Founded in 2024 and backed by $500K in funding from April 2024, the San Francisco-based startup has quickly gained traction among AI engineers looking to understand their applications' performance and user behavior in production. Dawn's platform addresses a critical gap in the AI development lifecycle by offering visibility into how models perform with actual users, enabling data-driven improvements and faster iteration cycles. By helping teams identify issues early and build better training datasets from real-world usage, Dawn is establishing itself as essential infrastructure for organizations building and deploying AI-powered applications.

🧨 Attracting interest from 15 VC firms over the last 90 Days

Atomic Industries

Atomic Industries is revolutionizing manufacturing through computational methods that power an AI-driven tool and die maker, potentially transforming how industrial equipment is designed and produced. Founded in 2019 and based in Warren, Michigan, the company has secured significant funding including a $7 million round in April 2024, bringing its total to an impressive $30 million. Led by a team with deep expertise in advanced manufacturing and artificial intelligence, Atomic Industries leverages machine learning algorithms to optimize and automate the traditionally labor-intensive and expertise-dependent tool and die making process. The company's technology enables manufacturers to rapidly design, iterate, and produce tools with unprecedented precision and efficiency, addressing critical bottlenecks in industrial production systems. Their approach could dramatically reduce lead times and costs for tooling, making advanced manufacturing more accessible and responsive to market demands in sectors ranging from automotive to aerospace.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Ndea

Ndea is building frontier AI systems that blend intuitive pattern recognition and formal reasoning into a unified architecture, with the ambitious goal of operationalizing AGI to achieve unprecedented scientific progress. Founded in 2024 by François Chollet, the creator of Keras and deep learning pioneer at Google, and Mike Knoop, the San Francisco-based startup is entirely focused on developing what they call "a factory for rapid scientific advancement" capable of inventing and commercializing countless ideas. Currently bootstrapped, Ndea's technical approach appears centered around Latent Program Networks (LPNs), a novel methodology that may enable AI systems to learn and adapt with human-level efficiency. The company's core strategy combines advanced deep learning techniques with program synthesis, potentially offering a breakthrough in creating AI that transcends the limitations of current models. By prioritizing the development of systems that can tackle complex reasoning tasks, Ndea is positioning itself at the frontier of artificial general intelligence research.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Superwhisper

Superwhisper is transforming productivity with an offline AI-powered voice-to-text application that works across macOS and iOS, supporting over 100 languages with perfect punctuation and formatting. Founded by Neil Chudleigh, a Y Combinator alumnus (S15) and former co-founder of PartnerStack, the Toronto-based startup has gained prominence for its privacy-focused approach that keeps all processing local on users' devices. The tool has become particularly popular among developers practicing "vibe coding" (a term coined by former OpenAI researcher Andrej Karpathy), where programmers dictate code changes to AI assistants rather than typing. Since its launch in late 2023, Superwhisper has rapidly expanded its user base through its freemium model, with premium options including a €299.99 lifetime license that appeals to professionals seeking to boost productivity through hands-free writing and dictation. The company's commitment to continuous improvement and user privacy has positioned it as a leader in the voice-to-text market, challenging conventional cloud-based transcription services.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Dave Zohrob

Dave Zohrob is an experienced tech entrepreneur currently building in stealth mode in New York City. As the former co-founder and CEO of Chartable, a podcast analytics platform acquired by Spotify in 2022, Zohrob brings significant expertise in audio technology and data analytics to his newest venture. He launched his current pre-launch startup in 2024 after departing Spotify, bringing with him experience from previous roles at AngelList and other tech companies. While details about his stealth project remain intentionally sparse, Zohrob's background in audio technology, combined with his track record of successfully scaling and exiting a startup, positions him uniquely in New York's competitive tech ecosystem. His professional history demonstrates a pattern of identifying opportunities at the intersection of content, technology, and analytics—suggesting his current venture likely leverages this expertise while exploring new frontiers in digital innovation.

🧨 Attracting interest from 6 VC firms over the last 90 Days

Thinking Machines Lab

Thinking Machines Lab is developing multimodal AI systems that collaborate with humans across various domains, making knowledge more accessible and customizable to different levels of expertise. Founded in February 2025 by Mira Murati, former OpenAI CTO who left in September 2024 after 6½ years, the startup has quickly assembled an all-star team including Andrew Tulloch and Lilian Weng. The San Francisco-based company is positioning itself outside the crowded frontier model development space, instead focusing on creating AI that adapts to the full spectrum of human expertise through improved explainability, adaptability, and accessibility. Their strategic vision includes bridging what Murati terms the "comprehension chasm" in AI, designing systems that articulate their reasoning in human-understandable terms while fostering a culture of open science through frequent publication of technical research.

🧨 Attracting interest from 10 VC firms over the last 90 Days

Thinking Machines Lab