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Sim

YC X25

San Francisco, US · Founded 2025 · 10 employees · Hiring · 10 known investors

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Sim is an open-source AI workspace where teams build, deploy, and manage AI agents across their existing tool stack using 1,000+ integrations and every major LLM. The platform enables automation of real work through visual, conversational, or code-based interfaces for technical teams.

Also known as Sim Studio, Inc. · Sim Studio

AI & Machine LearningDeveloper ToolsEnterprise SoftwareArtificial IntelligenceUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X25)

Sim was founded in 2025 by Emir Karabeg and Waleed Latif.

EKEmir Karabeg
Emir KarabegCEOEmir Karabeg studied data science and cognitive science at UC Berkeley, where he focused on NLP research for machine translation. He previously founded WorkNinja, an AI learning platform, before starting Sim Studio.
WLWaleed Latif
Waleed LatifCTOWaleed Latif studied computer science and cognitive science at UC Berkeley, where he led engineering and publications on neurotechnology research. He previously built core backend infrastructure at Amazon's Ring division, handling over 1 million transactions per second, before co-founding Sim.
VMVikhyath Mondreti
Vikhyath MondretiFounding EngineerFounder at Kanava AI

Investors · 10

Standard Capitallisted by Standard CapitalSan Francisco

How we know: Standard Capital's portfolio page · funding news · pulse2.com · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · pulse2.com · open dataset · 5k.vc investor directory · Not right? Tell us

f7 VenturesreportedTiburon · $10K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Fuel CapitalreportedCovina · $500K – $1M

How we know: a partner's Signal profile · Not right? Tell us

Liquid VenturesreportedSan Francisco · $250K – $5M

How we know: pulse2.com · Y Combinator's founder network · Not right? Tell us

Metsu Capitalreported

How we know: Y Combinator's founder network · Not right? Tell us

SV AngelreportedSan Francisco · $150K – $20M

How we know: pulse2.com · Y Combinator's founder network · Not right? Tell us

Twenty Two VenturesreportedPalo Alto · $50K – $250K

How we know: pulse2.com · Y Combinator's founder network · Not right? Tell us

Also in the syndicate · 1

Perplexity

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 10

Atlas 3DSiemens provides industrial products, services and software spanning the industrial lifecycle, using AI, simulation and smart technologies for digital transformation. Its offerings include building operations management and modular, interoperable solutions for enterprise and industrial customers.
LumeriaLumeria makes the Lumoscope, a multi-spectrum skin imaging scanner that clips onto a phone and uses RGB, UV, and polarized light to track skin conditions such as fine lines, tone, texture, pigment, and vascularity. Paired with an AI assistant called Lumi, it offers consumers personalized skincare routines, ingredient analysis, and progress tracking for at-home skin monitoring (not medical diagnosis).
ApifyApify provides a platform for web data extraction and browser automation, enabling developers to build web crawlers and data scraping tools using JavaScript. The platform serves developers and AI builders globally who need to extract and process web data at scale.
FinteliteFintelite provides AI-powered document processing that extracts, classifies, and analyzes data from invoices, bank statements, and forms for businesses in finance, insurance, and other document-heavy industries. The platform also offers fraud detection capabilities to identify forged or tampered documents.
n8nn8n is a visual and code-based workflow automation platform that enables technical teams to build, connect, and deploy AI agents and integrations with flexible deployment options ranging from on-premise to cloud infrastructure.
WaferWafer develops performance optimization tools and services across GPU accelerators, architectures, and computing stack layers.
AnsysAnsys provides engineering simulation software used by engineers and students to design and test products. Its tools cover simulation across areas from silicon to systems.
DataheraldDataherald provides an API that converts natural language queries into SQL, enabling product developers to add no-code data analytics and reporting features for their users.
Electronic ArtsElectronic Arts (EA) develops and publishes video games, content, and online services for consoles, mobile devices, and PCs, with franchises such as EA SPORTS FC, Battlefield, Apex Legends, and The Sims. It also offers subscription services and game technologies for players and communities worldwide.
Bronco AIBronco AI develops AI tools for semiconductor verification engineers to detect design flaws, increase test coverage, and accelerate chip production timelines at major chipmakers.

Companies working in the same space as Sim.

Legal entities · 1

corporate structure
Sim Studio, Inc.

In the news

Sim.ai: $7 Million Series A Closed To Advance Development Of Its Agentic AI Platformpulse2.com · Nov 2025$7M Series A | Simsim.ai · Nov 2025Sim Studio: UI to Build AI Agentsycombinator.com · May 2025

Frequently asked questions

What does Sim do?
Sim is an open-source AI workspace where teams build, deploy, and manage AI agents across their existing tool stack using 1,000+ integrations and every major LLM. The platform enables automation of real work through visual, conversational, or code-based interfaces for technical teams.
Who founded Sim?
Sim was founded by Emir Karabeg, Waleed Latif in 2025.
Who are Sim's investors?
Sim's investors include Ritual Capital, Standard Capital, Y Combinator, f7 Ventures, Fuel Capital, Liquid Ventures, Metsu Capital, SV Angel and 1 more.
Where is Sim headquartered?
Sim is headquartered in San Francisco, US.