Labelbox
Medium (~350)
Synthesia
Mid (~660)
Best For
Labelbox
Best for: ML infrastructure engineers building data labeling and training platforms for frontier AI labs and enterprises
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
LabelboxSynthesia
3.8
4.4
Overall
3.6
4.2
Work-Life Balance
3.8
4.5
Culture & Values
3.6
4.4
Comp & Benefits
3.5
4.2
Senior Mgmt
3.6
4.2
Career Opps
👍 72% Recommend
👤 78% CEO Approval (Manu Sharma)
👍 88% Recommend
👤 92% CEO Approval (Victor Riparbelli)
Culture Values
Labelbox only
💎 Strong Comp & Equity🌈 Diverse & Inclusive
Synthesia only
🌱 Learning & Growth🤝 Flat Hierarchy🎯 Direct Product Impact🧩 Wears Many Hats
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate
Pros & Cons
Labelbox
- Competitive compensation and equity
- Working with top AI labs as customers
- Rapid growth creates organizational churn
- Some teams move faster than others
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
Labelbox
Choose Labelbox if you want to work on the data side of AI — labeling, evaluation, and training infrastructure used by frontier AI teams — with moderate SF-based intensity.
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
Labelbox — 9 jobs
💻 Engineering
3
🧠 ML / AI
3
📊 Data
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
Labelbox scores 3.8/5.0 on Glassdoor with a 3.6 work-life balance rating. Synthesia scores 4.4/5.0 overall with a 4.2 WLB. That’s a 0.6-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate. Labelbox also emphasizes Strong Comp & Equity, Diverse & Inclusive. Synthesia also emphasizes Learning & Growth, Flat Hierarchy, Direct Product Impact, Wears Many Hats.
On the hiring front, Labelbox has 9 open roles and Synthesia has 76 open roles.