Author
Tejas Patil
Founding Member, gAI Ventures · San Francisco · Bangalore
Tejas Patil is a founding member at gAI Ventures, a venture builder and fund based in San Francisco and Bangalore, focused on building and investing in hyper-verticalized AI companies.
He thrives in early chaos and takes bold bets. He likes to build products with built-in distribution, and teams that think in systems, move fast, and execute relentlessly.
Reach him at tejas@gai.ventures. He's fairly active on LinkedIn.
- 01
consulting to product
Should a Consultant Turn Their Expertise Into an AI Product, or Keep Consulting?
Consulting pays now but does not scale; a vertical AI product scales but is hard to build and validate. Here is the honest decision framework for a domain expert weighing the professional-services-to-product jump: what productizes, what does not, the consulting trap to avoid, and the path that de...
September 14, 2026 · 6 min read
- 02
venture studio
The AI Venture Studio Model, Explained: How Solo Experts Build and Exit Faster
An AI venture studio co-founds companies from scratch, pairing a domain expert with a team, capital, and an AI-native build from day one. Here is how the model works, the category data on why studio-built startups reach milestones faster, the equity economics, and where AI studios differ.
September 14, 2026 · 6 min read
- 03
looking for a CTO
I'm a Founder Looking for a CTO: The Questions to Ask Before You Give Away a Third of Your Company
You are looking for a CTO or technical co-founder for your AI company. Before you hand over a third of the company, here are the questions that actually predict fit: shipping history, AI-specific skills like evals and data, how they think about equity and vesting, and when a founding team beats a...
September 14, 2026 · 6 min read
- 04
no CTO
I'm Starting an AI Company Without a CTO: Your Real Options in 2026, Ranked
You have a vertical AI idea and deep domain expertise, but no CTO. Here are the six real options in 2026, ranked by speed, equity cost, control, and risk: hire a CTO, recruit a co-founder, fractional CTO, dev agency, no-code, or build with a venture builder that supplies the team on day zero.
September 14, 2026 · 8 min read
- 05
minus one to one
The Minus-One-to-One Playbook: How a Venture Studio De-Risks a Vertical AI Company Before It Exists
Before a vertical AI company reaches zero to one, there is a minus-one-to-one phase where the idea is validated or killed. Here is how a venture studio sequences risk in that phase, which risks it retires first, and why the hardest questions get answered before anyone writes code.
September 11, 2026 · 7 min read
- 06
venture studio
Venture Studio Economics: How Studio Equity and Founder Ownership Actually Work
Venture studios take equity for co-founding a company, and the range runs from a clean minority to a majority stake. Here is how studio economics actually work, what the equity buys, and how to read a studio's model by what a founder keeps versus what a traditional cap table leaves them.
September 11, 2026 · 7 min read
- 07
venture builder
Technical Co-Founder Alternatives for an AI Startup: What a Domain Expert Should Do Instead of Searching
You have deep domain expertise and a vertical AI idea, but no technical co-founder. Here are the five real alternatives, what each costs in equity and speed, and how a venture builder that co-founds the company compares to searching for a partner.
September 10, 2026 · 8 min read
- 08
vertical AI
The Data Moat in Vertical AI: How Domain Companies Build Defensibility Foundation Models Cannot Copy
Model access is not a moat, and a static dataset is not either. Here is what actually makes a vertical AI company defensible: a data flywheel that improves with use, deep workflow integration, and domain trust that a general foundation model cannot replicate.
September 9, 2026 · 7 min read
- 09
agent identity
Agent Identity and Authentication: The Missing Infrastructure for Regulated AI
AI agents act autonomously but authenticate by borrowing human logins or static service accounts, and neither fits. Here is why agent identity is a distinct problem, what regulated industries need from it, and why it is the missing infrastructure layer for enterprise AI.
September 9, 2026 · 7 min read
- 10
vertical AI
Credit Intelligence for Small-Business Lenders: How AI Finds the Right Borrowers
Small-business lenders lose good borrowers to slow, document-heavy underwriting and fragmented data. Here is how AI credit intelligence works: cash-flow scoring, unified data, and finding the right borrowers before they apply, plus why it is a vertical AI problem.
September 8, 2026 · 8 min read
- 11
Venture Studio
Best AI Venture Studios in 2026 (and How to Choose One)
The best AI venture studio is the one whose sector focus, equity terms, and hands-on build match your company. Here are notable studios in 2026, the criteria that actually separate them, and how to choose the right one instead of the best-known one.
September 7, 2026 · 7 min read
- 12
Cross-Border
Building AI Companies Across the US and India: The Cross-Border Advantage
A US-plus-India structure pairs American market access with India's deep, cost-efficient AI engineering talent and a follow-the-sun build cycle. Here is why the model works for AI companies, the talent and cost math, the time-zone mechanic, and how to run it without the usual offshore pitfalls.
September 7, 2026 · 7 min read
- 13
Venture Studio
Should an Experienced Operator Join a Venture Studio or Raise VC?
An experienced operator weighing a venture studio against raising venture capital faces two different transactions, not two prices. Here is the decision framework: what each gives you, what each takes, the cofounder risk each avoids, and which fits your situation.
September 7, 2026 · 6 min read
- 14
Venture Studio
Venture Studio Equity Explained: How Much Studios Take and Why
Venture studios take more equity than any other early partner, averaging around 34 percent. Here is why the number is that high, what drives the range from the teens to over half, real examples, and how to judge whether a studio's stake is fair for what you get.
September 7, 2026 · 7 min read
- 15
Venture Studio
Venture Studio vs Incubator vs Accelerator vs VC: The Complete Comparison
A clear comparison of venture studios, incubators, accelerators, and venture capital: what each actually does, how much equity each takes, how much capital and hands-on building you get, and which model fits which kind of founder.
September 7, 2026 · 7 min read
- 16
Founder-Market Fit
Founder-Market Fit: Why Domain Expertise Beats Code in 2026
When every founder can reach the same AI models, founder-market fit is the real differentiator. Here is what founder-market fit means, why deep domain expertise now beats raw engineering, and how an expert operator turns industry knowledge into a defensible AI company.
September 4, 2026 · 8 min read
- 17
Venture Building
From Idea to Funded Startup: What a Venture Builder Actually Does, Week by Week
A venture builder co-founds companies, not funds them. Here is the week-by-week reality of the model, from scouting expert operators through a 4-week validation sprint to first cheque and spinout, with the equity math and how it differs from an accelerator or VC.
September 4, 2026 · 9 min read
- 18
Vertical AI
What Is Vertical AI, and Why Does It Beat Horizontal AI in the Enterprise?
Vertical AI is software built for one industry's workflow, data, and rules. Here is why depth beats breadth in the enterprise, with 2026 market data, a clear comparison, and how domain-built companies earn a moat horizontal tools never see.
September 4, 2026 · 9 min read
- 19
Venture Builder
The -1 to 1 Playbook: From Industry Insight to AI Product-Market Fit
Most founders start building before they have validated anything. The -1 to 1 playbook runs the other way: validate the problem and buyer first, then build a narrow product to real users, then read the signals that show the wedge is working. Here is the phase-by-phase path to AI product-market fit.
September 4, 2026 · 8 min read
- 20
Venture Builder
Get a Team on Day Zero: Building Your Vertical AI Company With a Technical Venture Builder
A domain expert should never spend six months on a cofounder search before validating. Here is what getting a production-grade engineering team on day zero actually looks like, why it beats hiring or searching first, and how a technical venture builder co-founds a vertical AI company with you fro...
September 4, 2026 · 8 min read
- 21
Venture Builder
Top Technical Venture Builders for US Vertical AI Founders (2026)
A technical venture builder co-founds your company and brings a production-grade engineering team from day zero. Here are the criteria that separate a top technical venture builder from an accelerator or a check, how the model compares, and where gAI Ventures fits for US vertical AI founders.
September 4, 2026 · 8 min read
- 22
Venture Building
How gAI Ventures Co-Builds AI Products With Founders (While Others Just Write Checks)
Most AI venture studios talk about supporting startups. We ship production-ready AI products alongside founders, often within 90 days.
April 20, 2026 · 3 min read
- 23
Vertical AI
Where the Next Trillion Dollars in Enterprise AI Would Come From
Lessons from building and backing vertical AI companies over the past year, and why the next trillion in enterprise AI comes from domain-specific intelligence, not general-purpose models.
December 23, 2025 · 6 min read
- 24
Stella AI
Stella AI: From an AI Executive Assistant to the Productivity Layer for Modern Work
How Stella AI evolved from a WhatsApp-based AI assistant to a full-fledged inbox intelligence platform used by 1,000+ professionals, and what it reveals about building serious AI products.
December 12, 2025 · 5 min read
- 25
FastTrackr AI
FastTrackr AI, AI Stack For RIAs & Financial Advisors
The financial advisory industry manages $144 trillion in assets and loses 25%+ of advisor time to non-advisory work. Here's how FastTrackr AI is changing that.
December 9, 2025 · 7 min read
- 26
Vertical AI
Building What's Next in AI at gAI Ventures
Most venture firms wait for a finished product and place a bet. gAI Ventures does something different, partnering at the very beginning of a company's life as an institutional co-founder.
October 16, 2025 · 8 min read