Runway
Mid (~420)
Sierra
Large (~500)
Best For
Runway
Best for: Creative technologists who want to pioneer AI video generation at the intersection of art and engineering
Sierra
Best for: Builders who want to work with proven Salesforce and Google leadership on enterprise AI agents
Ratings
RunwaySierra
4.5
4.0
Overall
4.0
3.5
Work-Life Balance
4.6
4.1
Culture & Values
4.3
4.0
Comp & Benefits
4.4
3.8
Senior Mgmt
4.2
3.8
Career Opps
👍 90% Recommend
👤 90% CEO Approval (Cristóbal Valenzuela)
👍 80% Recommend
👤 84% CEO Approval (Bret Taylor)
Culture Values
Runway only
🎯 Direct Product Impact🌐 Remote-Friendly
Sierra only
💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🌱 Learning & Growth🚀 Ship Fast & Iterate
Pros & Cons
Runway
- Pioneer in AI video generation — Gen-3 Alpha is industry-leading
- Unique blend of art and engineering — creative culture values both
- Smaller team (~420) means limited specialization — engineers wear multiple hats
- AI video generation is an increasingly competitive space
Sierra
- Elite founders with proven track records
- Strong equity at $10B valuation
- In-person-first culture
- Competitive intensity may not suit everyone
Bottom Line
Runway
Choose Runway if you want to build Gen-3 Alpha at the art-meets-AI frontier — but the space is getting competitive.
Sierra
Choose Sierra if you want elite founders (Bret Taylor, Clay Bavor) and strong equity at a $10B enterprise AI company — but it's in-person-first and the competitive intensity won't suit everyone.
Open Roles
Runway
No open roles currently listed
Sierra — 134 jobs
💻 Engineering
42
💼 Sales / GTM
27
📋 Product
15
👤 HR / People
7
🎨 Design
5
⚖️ Legal
5
📣 Marketing
5
⚙️ Operations
5
📊 Data
2
💰 Finance
1
Summary
Runway scores 4.5/5.0 on Glassdoor with a 4.0 work-life balance rating. Sierra scores 4.0/5.0 overall with a 3.5 WLB. That’s a 0.5-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth, Ship Fast & Iterate. Runway also emphasizes Direct Product Impact, Remote-Friendly. Sierra also emphasizes Strong Comp & Equity.
On the hiring front, Runway has 0 open roles and Sierra has 134 open roles.