Twilio
Large (~5,500)
Vast AI
Small (~30)
Best For
Twilio
Best for: Professionals interested in Twilio
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
TwilioVast AI
3.9
5.0
Overall
4.1
3.8
Work-Life Balance
4.0
5.0
Culture & Values
3.9
5.0
Comp & Benefits
3.7
5.0
Senior Mgmt
3.7
5.0
Career Opps
👍 78% Recommend
👤 82% CEO Approval (CEO)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Twilio only
🌐 Remote-Friendly⚖️ Work-Life Balance🔓 Open Source🌱 Learning & Growth
Vast AI only
🚀 Ship Fast & Iterate🤝 Flat Hierarchy🧩 Wears Many Hats
Shared
⚙️ Engineering-Driven💎 Strong Comp & Equity
Pros & Cons
Twilio
- Genuine remote-first flexibility with excellent work-life balance
- Strong compensation, benefits, and engineering-driven culture
- Frequent reorgs and leadership changes create uncertainty
- Culture has shifted from creative builders to more corporate, profit-driven focus
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
Twilio
Twilio — check Glassdoor for detailed reviews.
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
Twilio — 143 jobs
💼 Sales / GTM
44
💻 Engineering
43
📋 Product
8
🧠 ML / AI
7
📣 Marketing
6
⚙️ Operations
3
📊 Data
2
🎨 Design
2
💰 Finance
2
👤 HR / People
2
⚖️ Legal
2
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
Twilio scores 3.9/5.0 on Glassdoor with a 4.1 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 1.1-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Strong Comp & Equity. Twilio also emphasizes Remote-Friendly, Work-Life Balance, Open Source, Learning & Growth. Vast AI also emphasizes Ship Fast & Iterate, Flat Hierarchy, Wears Many Hats.
On the hiring front, Twilio has 143 open roles and Vast AI has 9 open roles.