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Kling AI is an AI-powered creative studio that builds high-resolution generative video and image tools using a diffusion-based transformer architecture. It serves a global client base across marketing, e-commerce, and entertainment, monetizing via subscription credits and API packages. Its key differentiator is the ability to generate high-fidelity videos up to two minutes long with strong temporal consistency.
$2.8B / $18B val51-200 employees
Creative / MediaFoundation Model ProviderB2CSeries E+$1B+
Everyone loves the way 3Blue1Brown explains complex ideas. Now imagine having that same level of clarity for any topic, tailored to each learner’s needs. That’s what we’re building at Knowlify. Current use cases: - Researchers turn dense papers into clear, digestible explanations - Textbook publishers help students grasp challenging concepts - Universities produce high-quality content while cutting costs by 90% - Corporations keep teams sharp and up to date on the latest technologies With Knowlify, the possibilities for learning are limitless.
San Francisco, CA, USA1-50 employees
We’re on a mission to leverage AI and voice technology to solve inefficiencies and revenue leakage in our healthcare system. With the rise of EHRs, the manual documentation burden on doctors has never been higher, leading to burnout and fatigue and high attrition rates. Assigning the correct diagnosis and billing codes is crucial for proper reimbursement and patient care, but medical coding is becoming more and more complex each year with growing numbers of codes (over 145,000 now), and doctors are unsupported by current technology to keep up with its ever increasing requirements. $125 billion is left on the table each year by healthcare organizations due to improper documentation and coding. Knowtex creates visit notes with up-to-date and accurate reimbursement codes from doctor-patient conversations, allowing the doctor to focus on patient care and preventing revenue leakage for hospital systems through standardized, transparent, and accurate documentation.
San Francisco, CA, USA
PROBLEM 😩 Zoom is great for adults, not ideal to engage an 8 year old online. SOLUTION 🔥 Koala Go, the award-winning interactive platform for online teaching businesses. Learn more at https://teachwithkoala.com/
San Francisco, CA, USA; Remote1-50 employees
Automate and strengthen manual risk and compliance operations for fintechs and banks. Given a third party contracts and documentation, Kobalt’s reasoning engine ingests internal policies and procedures, legal commitments, past privacy and compliance assessments, and syncs with external legislation to instantly auto-surface and track risks. We're helping community/regional/sponsor banks increase revenue and scale their partnership and vendor volume, and we're helping fintechs conduct their partner diligence in 1/10 the time, all without needing to increase headcount.
New York, NY, USA1-50 employees
We provide free digital mental health technologies for millions of people struggling online — particularly young people. For example, we partner with online communities to help find and treat at-risk individuals directly on their platform.
Remote1-50 employees
Kontext is an AI-native advertising platform that serves real-time, context-based ads inside GenAI applications and chatbots, enabling brands to monetize conversational moments with large language model-powered creatives.
Dover$10M11-50 employees
AI / MLAI ApplicationB2B SaaSSeed$10M-$50M
We’re building Kontigo, a USDC Smart Neobank for Latinos in the U.S. and Latin America. We launched our Peer-to-Peer onramp 20 days ago and we’ve already had $540k in deposits, 10k active users and a +300k waitlist. The founding team has built and scaled fintechs in Latam, and it’s ex-Venmo, Nubank, Rappi, MercadoLibre, Ualá, Platzi, and Yuno. We’re already backed by DST Global, Soma Capital, Pioneer Fund, Transpose + 10 YC alums. Sending money to Latin America is just as painful as holding it due to the region's fragmentation into 33 countries with 39 different currencies. On one hand, cross-border payments to Latam are absurdly expensive (up to 20% per transaction). Conversely, over the past decade, currency depreciation across the region has become unsustainable. (some countries surpassing the trillion percent ). Kontigo solves this with a USDC global wallet & a BTC savings account. - Like Venmo, but on-USDC. - Like Zelle, but for cross-border payments. No limits. - Like Nubank & Revolut, but without inflationary currencies. Bitcoin-backed. User wallets are connected to an AI-private banker on WhatsApp to execute international USDC transactions.
1-50 employees
Kopra Bio makes genetically engineered viruses that teach your immune system to kill cancer using tech we developed at UCSF. We’re making the next Keytruda ($25B/yr cancer drug blockbuster) starting with the most aggressive form of brain cancer, glioblastoma. In the most challenging brain cancer model, we improve survival from 0% with the current FDA approved treatment to 90% with our treatment.
San Francisco, CA, USA1-50 employees
KorrAI provides an AI-native workspace for remote desktop risk studies across construction, infrastructure, and mining projects. Our platform, TRAIL, enables insurers, asset owners, and builders to evaluate site and construction risk in hours instead of weeks by unifying geospatial data, geotechnical reports, catastrophe model outputs, and engineering context into one traceable system.
Toronto, ON, Canada1-50 employees
Koyal is an Agentic AI Filmmaking Platform that allows you to seamlessly convert script or audio into personalized, visually compelling stories. We’re a team from Carnegie Mellon, MIT and Meta, with experience in AI video generation. https://koyal.ai builds directly upon our published research at the AI conference NeurIPS in December. We’ve been covered in the international press for our patented secure personalization protocol CHARCHA: the genAI captcha. Announcement: https://x.com/meh_agarwal/status/1965866965425348687 Demo: https://x.com/meh_agarwal/status/1965137062119752099 We currently have paid pilots with the biggest global music labels, podcasts and production houses, and just launched our public beta at beta.koyal.ai We recently concluded a pilot with Universal Music and T-Series (world’s largest music label) alongside Bollywood production houses like Maddock Entertainment, and Collective Artists Network! As part of that, we launched 5 music videos for Grammy and Oscar winning artists like A R Rahman, Ricky Kej and Shankar Mahadevan all crossing 1.5 million views! We've recently built SOTA capabilities in (i) multilingual script to audio to video, (ii) Agentic lip-sync with dynamic movement & (iii) Multi-character consistency.
San Francisco, CA, USA1-50 employees
We provide simple, well-documented, and fully compliant payments APIs and interfaces so that any company can instantly start leveraging crypto to offer services like remittances, USD wallets, and investments.
Miami, FL, USA; Santiago, Santiago Metropolitan Region, Chile; Mexico City, CDMX, Mexico; Remote1-50 employees
Krave Mart is the Rappi for Pakistan. We’re an online grocery store that delivers within minutes.
Karachi, Sindh, Pakistan; Sindh, Pakistan51-200 employees
Kular is an AI Lead Generator, generating leads for busy professionals and business owners and only charging for results. Today, Kular generates leads for over 1000 companies via email and LinkedIn. Kular is being built by a team of MIT, IIT, Cambridge and Oxford grads, backed by some of the best investors in the world, including Y-Combinator, Entrepreneur First, Acequia Capital and angel investors behind companies like Ironclad, OpenSea and Stripe.
London, England, United Kingdom1-50 employees
Kura breaks 87% on the WebVoyager Benchmark. That is 31% better than Claude's Computer Use demo and 14% better than the previous State of the Art. In 10 years there will be more AI agents on the internet than humans. Kura is SOTA for giving AI agents the tools for interacting with websites.
1-50 employees
With Kyber, companies operating in regulated industries can quickly draft, review, and send complex regulatory notices. For example, when Branch Insurance's claims team has to settle a claim, instead of spending hours piecing together evidence to draft a complex notice, they can simply upload the details of the claim to Kyber, auto-generate multiple best in-class drafts, easily assign reviewers, collaborate on notices in real-time, and then send the letter to the individual the notice is for. Kyber not only saves these teams time, but significantly improves consistency, compliance, and personalization.
New York, NY, USA1-50 employees
Kyten Technologies is building a factory to manufacture custom aerospace-grade battery packs. 100,000+ drones, submarines, and satellites are being built in the US, but the legacy supply chain can't keep up. During our six years at Starlink, we put 5,000+ battery packs into space. Now, we're bringing rapid development and volume production of aerospace-grade battery packs to the entire industry.
Seattle, WA, USA1-50 employees
LMArena is an open platform where everyone can access and interact with the world's leading AI models and contribute to AI progress through real-world feedback. Built with scientific rigor and transparency at its core, LMArena enables developers, researchers, knowledge workers and enthusiasts to compare model outputs, uncover performance differences and advance the reliability of AI systems. Revenue from paid AI evaluation services to labs and enterprises.
San Francisco$250M / $1.7B val51-200 employees
AI / MLAI ApplicationB2B SaaSSeries B$200M-$1B
Labric is building the data layer that makes AI work for science. We capture messy lab data from instruments and tools, clean it, and connect it—so researchers can actually use AI to accelerate discovery.
1-50 employees
Lakonia is building an AI-powered command and control platform for law enforcement and the military. Our AI transcribes radio communications, analyzes them, and then synthesizes information for commanders/dispatchers and operators to act on.
San Francisco, CA, USA1-50 employees
Query, trace, and validate datasets and models at scale. Automate context for agents and humans. One API: lakehouse, lineage, feature store, ontologies, bio-registries & formats.
1-50 employees
Laminar is open-source observability for AI agents. Trace complex workflows, replay and debug agent runs, and detect anomalies across trajectories at scale.
San Francisco, CA, USA1-50 employees
Autonomous AI agents that answer calls, close sales, and run operations, so your team can focus on guests. Trusted by some of the top hotel groups in the US, supporting 50+ hotels across brands like Marriott, Hilton, and Hyatt Built on advanced Computer Use Agent technology, Lance agents can navigate your existing hotel software, make real-time decisions, and handle complex multi-step tasks.
San Francisco, CA, USA1-50 employees
Landeed is the digital infrastructure for property intelligence, verification, and transactions in India. We provide read/write rails that turn fragmented property and regulatory records into verified data for managing compliance and completing transactions. Landeed uses AI-powered document intelligence and proprietary language models to convert messy records into queryable data that powers title search, legal-grade due diligence, collateral verification, title transfers and property payments. With coverage across 24 states, enterprises go live nationally from day one. We are trusted by Fortune India 500 companies across BFSI, real estate, and retail. Landeed is the blue tick for property.
Hyderabad, Telangana, India1-50 employees
Lanesurf helps freight brokers book shipments with vetted carriers at the best prices by negotiating rates across multiple calls in parallel. Our self-improving voice AI stack is built for the messy reality of logistics - noisy calls, compliance checks, constant exceptions and turns them into faster bookings at better margins. With each booking, the AI learns from aggregated, anonymized lane and pricing data. As more customers use Lanesurf, this learning compounds, driving faster bookings at the best prices and powering a voice-driven freight marketplace.
San Francisco, CA, USA1-50 employees
Langdock is a comprehensive and secure platform for deploying AI in companies. From a powerful chat interface for all employees to tools for creating custom workflow automations with AI-driven agents.
Berlin, Berlin, Germany1-50 employees
Traces, evals, prompt management and metrics to debug and improve your LLM application. Onboard via https://langfuse.com Langfuse helps you build and improve LLM applications across the entire lifecycle: - Develop: Observability, Langfuse UI & Prompt Management - Monitor: Traces, Analytics, Metrics & Evaluations - Test: Experiments, Releases & Datasets We are hiring: https://langfuse.com/careers Langfuse was acquired by Clickhouse in January of 2026.
Berlin, Berlin, Germany1-50 employees
Lantern is the easiest way to build AI applications using Postgres. We started Lantern because we believe AI is going to impact every single enterprise in every single industry. We want to allow every company to tap into their unstructured data to build better applications. With Lantern Cloud, developers have access to everything they need to build an AI application: embedding generation, vector compression, vector search, efficient indexing, and more. All on top of the database they already know, Postgres, and using infrastructure that scales to billions. Check out our code on Github: https://github.com/lanterndata/lantern
San Francisco, CA, USA1-50 employees
Lapel is building a customer operations platform that brings hospitality to the internet: tools to power every touchpoint across sales, success, and support. Today, most teams manage relationships through dashboards, funnels, and canned replies—great for metrics, terrible for humans. We believe online customer relationships should feel personal, not transactional. Learn more at lapel.com
1-50 employees
Lapis helps businesses run ads on Meta, Linkedin, and Google.
San Francisco, CA, USA1-50 employees
Lark lets teams write end-to-end tests in plain English. Validate dashboards, APIs, SDKs, and full product flows without maintaining fragile test code. Run continuously on feature branches, in CI, or in production.
San Francisco, CA, USA1-50 employees
At Latent, we're building medical language models to tackle the trillions of operational overhead weighing down healthcare. Our flagship product streamlines authorizations for life-saving drugs by analyzing EHR records and surfacing the most relevant data. We've built our product and signed enterprise contracts with some of the largest health systems in the US.
San Francisco, CA, USA1-50 employees
Latent Space develops AI applications specifically designed to address the unique challenges and opportunities in emerging economies. Our products are Halo AI (an AI universal concierge for SEA enterprises), GoVisa (an AI-enabled online visa and permit application), and Supa (a hyperlocal knowledge AI for 280M+ Indonesians).
Jakarta, Jakarta, Indonesia51-200 employees
Advertising today is like trading in the 1980s pits: archaic, manual, and iterative guesswork. Humans update bids and keywords using noisy, delayed data with fixed rules that both break at scale and ignore stochasticity. We've built quantitative systems that advertise the way modern hedge-funds trade markets: continuous decision-making under stochastic outcomes and explicit profit constraints. We use customers' existing ad copy and use reinforcement learning and train our own LLMs to run ads on autopilot, harvesting profits when we’re confident and borrowing signals from similar keywords when data is sparse. Starting with brands on Amazon, we are automating millions in live ad spend, increasing gross sales while decreasing advertising cost of sales by 40%.
1-50 employees
Lavender is a cloud and AI-powered platform that provides AI-driven email coaching and content personalization to sales teams, enabling better email performance and ROI. It combines historical email analysis with AI recommendations and integrates with tools like Ora for outbound email optimization.
New York and Atlanta$14.2M11-50 employees
Sales TechAI ApplicationB2B SaaSSeries A$10M-$50M
Lavo Life Sciences runs simulations of drug molecules on computers. Pharma companies use these simulations to guide their experiments and ultimately save time and money in the lab. This will de-risk and expedite clinical trials and FDA approval.
1-50 employees
Layerup builds the autonomous Agentic AI Operating System for the largest enterprises in the most critical industries on the planet. Layerup's Agentic AI OS orchestrates enterprise systems—from internal software and data infrastructure to ML models and on-prem apps—to deploy autonomous AI agents and deliver end-to-end automation.
San Francisco, CA, USA1-50 employees
With a unique second cursor that integrates directly into your UI, Layup delivers real-time, adaptive assistance, completely transforming user engagement. We save product and support teams countless hours that would otherwise be spent creating in-app guides and other product documentation.
New York, NY, USA1-50 employees
LazyEditor is an AI-driven video editor that instantly handles the entire editing process, from removing silences and filler words to adding b-rolls and enhancing overall quality. We help content creators produce professional, high-quality videos that maximize engagement with minimal effort.
San Francisco, CA, USA1-50 employees
Leadbay (YC F25) discovers and qualifies SMB leads that couldn't be found before. Small-to-enterprise teams use us to prospect the most low-data-low-signals industries like construction, hospitality, even startups. Co-founders are Milan Stankovic (CTO) - PhD to make AI work with limited data, and Ludovic Granger (CEO). Try us on leadbay.ai.
San Francisco, CA, USA1-50 employees
When bad software gets shipped, software companies burn a lot of money and customer trust fixing it. Most software engineers will tell you they spend more time fixing code than writing it, which will only become more true as AI code assistants gain adoption. Leaping autonomously root causes bugs and generates tested code fixes.
San Francisco, CA, USA1-50 employees
Leaping AI is the best platform to deploy voice AI agents for customer service, lead qualification and appointment scheduling. We target mid-market and Enterprise companies and industries are: home services, pay per call, travel, retail, health insurance, Medicare, health and real estate. We automated contact centers employing >100 human agents and now handle their incoming customer support and sales calls, end-to-end. All while maintaining 90% customer satisfaction score. For another company, our voice AI agents were able to convert 30% of contacted leads within a week of the outbound campaign. A similar campaign with humans previously took that same company 5 weeks.
San Francisco, CA, USA1-50 employees
LedgerUp is your AI billing teammate for B2B SaaS, transforming contract-based billing from a chore into a frictionless, revenue-accelerating process. We parse contracts, issue invoices, and collect payments in real-time, all while surfacing actionable analytics, allowing your finance team to escape spreadsheet chaos and focus on strategic growth. Just close deals and let us handle your billing for you.
San Francisco, CA, USA1-50 employees
An AI that continuously learns your organization’s knowledge and expert playbooks, uses experimentation, and with human approval ships data & AI programs and their operational UIs on your existing stack.
1-50 employees
LegalOS is an AI-native immigration law firm that combines cutting-edge technology with 40+ years of legal expertise. We’ve studied 12,000 successful petitions to design our process - which allows us to deliver top-quality visa applications in as quickly as 48 hours. Our specialized AI agents draft petition narratives, compile evidence, and anticipate USCIS objections - work that traditionally takes attorneys weeks, if not months. Every case is reviewed and signed by licensed immigration attorneys with 40+ years of experience, so companies get both speed and reliability. We support O-1, H-1B, L-1A, L-1B, TN, EB-1A, EB-1C, and EB-2 NIW petitions. Our unique approach works. We’ve filed dozens of visa applications and have a 100% approval rate so far. The U.S. processes 1M+ work visas annually—a market where incumbents still operate on fax machines, email, and 1990s case management software. We're building the modern immigration law firm.
San Francisco, CA, USA; Remote1-50 employees
Lemma enables AI agents to continuously improve from user feedback and production outcomes. Instead of relying on manual prompt tuning and reactive debugging, Lemma detects when an agent’s performance drifts, pinpoints the exact step causing failures, generates optimized prompt candidates, and automatically delivers improvements through our API or by opening a pull request in your codebase. Built by ex-AI engineers who felt this pain firsthand, Lemma turns static agents into self-improving systems, helping teams ship reliable AI products faster with compounding performance gains over time. Deploy 1x. Learn forever.
San Francisco, CA, USA1-50 employees
Lemon Slice is a frontier AI research and product lab building the future of interactive video. Our interactive avatar models allow you to turn a voice agent into an engaging video call.
San Francisco, CA, USA1-50 employees
Lenco is a multi-currency digital bank for businesses in Africa. With Lenco, retail outlets, hospitality businesses and startups can easily pay vendors, suppliers and perform cross-border payment while having access to growth capital.
Lagos, LA, Nigeria; LA, Nigeria1-50 employees
Lenk empowers financial institutions in Latin America with advanced loan origination solutions. Our platform optimizes the entire loan lifecycle, from lead acquisition to disbursement, leveraging automation and AI to enhance efficiency and improve digital experiences. Lenk enables institutions to streamline complex tasks, ensuring compliance and agility while boosting productivity and customer satisfaction.
Santiago, Santiago Metropolitan Region, Chile; Remote1-50 employees