Hebbia
Small (~140)
Vast AI
Small (~30)
Best For
Hebbia
Best for: Engineers who want a famously kind, high-EQ team building cutting-edge AI for finance and legal professionals
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
HebbiaVast AI
4.4
5.0
Overall
3.2
3.8
Work-Life Balance
4.5
5.0
Culture & Values
4.4
5.0
Comp & Benefits
4.2
5.0
Senior Mgmt
4.2
5.0
Career Opps
👍 88% Recommend
👤 92% CEO Approval (George Sivulka)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Hebbia only
🌱 Learning & Growth🎯 Direct Product Impact
Vast AI only
🤝 Flat Hierarchy💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🧩 Wears Many Hats
Pros & Cons
Hebbia
- Incredible culture and smart, kind team
- Cutting-edge AI work in finance
- Very long hours expected
- Fully in-office, no flexibility
Vast AI
- Front-row seat to the AI compute revolution — demand for GPU cloud is surging
- Strong compensation and generous equity stakes for a bootstrapped startup
- Processes are still being defined — expect ad hoc workflows
- Intense workload — the team explicitly values high output
Bottom Line
Hebbia
Choose Hebbia if you want one of the most collegial cultures in AI (4.4 Glassdoor, 88% recommend) and direct impact in fintech — but expect very long hours and fully in-office, no remote flexibility.
Vast AI
Choose Vast AI if you want perfect Glassdoor scores and generous equity at a tiny GPU marketplace — but expect startup chaos.
Open Roles
Hebbia — 32 jobs
💼 Sales / GTM
10
💻 Engineering
8
📊 Data
2
🎨 Design
2
💰 Finance
1
👤 HR / People
1
🧠 ML / AI
1
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
Hebbia scores 4.4/5.0 on Glassdoor with a 3.2 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 0.6-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Wears Many Hats. Hebbia also emphasizes Learning & Growth, Direct Product Impact. Vast AI also emphasizes Flat Hierarchy, Strong Comp & Equity.
On the hiring front, Hebbia has 32 open roles and Vast AI has 9 open roles.