Hebbia
Small (~140)
Synthesia
Mid (~660)
Best For
Hebbia
Best for: Engineers who want a famously kind, high-EQ team building cutting-edge AI for finance and legal professionals
Synthesia
Best for: Engineers who want to build cutting-edge generative AI video at a fast-scaling London unicorn with a genuinely low-ego culture
Ratings
HebbiaSynthesia
4.4
4.4
Overall
3.2
4.2
Work-Life Balance
4.5
4.5
Culture & Values
4.4
4.4
Comp & Benefits
4.2
4.2
Senior Mgmt
4.2
4.2
Career Opps
👍 88% Recommend
👤 92% CEO Approval (George Sivulka)
👍 88% Recommend
👤 92% CEO Approval (Victor Riparbelli)
Culture Values
Hebbia only
No unique values
Synthesia only
🤝 Flat Hierarchy
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🌱 Learning & Growth🧩 Wears Many Hats🎯 Direct Product Impact
Pros & Cons
Hebbia
- Incredible culture and smart, kind team
- Cutting-edge AI work in finance
- Very long hours expected
- Fully in-office, no flexibility
Synthesia
- Low-ego supportive culture with genuine trust and ownership
- Fast-paced growth with real opportunity to develop and lead
- R&D and Product teams feel intense pressure and WLB suffers
- Promotions rare internally — new roles favor external hires
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.
Synthesia
High-growth AI company with strong culture ratings and real employee trust, though R&D teams feel the pace and promotions skew toward external hires.
Open Roles
Hebbia — 32 jobs
💼 Sales / GTM
10
💻 Engineering
8
📊 Data
2
🎨 Design
2
💰 Finance
1
👤 HR / People
1
🧠 ML / AI
1
Synthesia — 76 jobs
💼 Sales / GTM
24
💻 Engineering
11
🎨 Design
6
🧠 ML / AI
6
📣 Marketing
4
📊 Data
3
👤 HR / People
3
📋 Product
2
🎧 Support
2
⚙️ Operations
1
Summary
Hebbia scores 4.4/5.0 on Glassdoor with a 3.2 work-life balance rating. Synthesia scores 4.4/5.0 overall with a 4.2 WLB. They’re tied on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Learning & Growth, Wears Many Hats, Direct Product Impact. Synthesia also emphasizes Flat Hierarchy.
On the hiring front, Hebbia has 32 open roles and Synthesia has 76 open roles.