OpenAI
Large (~3,500)
Twilio
Large (~5,500)
Best For
OpenAI
Best for: Engineers who want to build frontier AI models at the company defining the industry, with elite compensation
Twilio
Best for: Professionals interested in Twilio
Ratings
OpenAITwilio
4.5
3.9
Overall
3.6
4.1
Work-Life Balance
4.6
4.0
Culture & Values
4.5
3.9
Comp & Benefits
4.3
3.7
Senior Mgmt
4.3
3.7
Career Opps
👍 90% Recommend
👤 95% CEO Approval (Sam Altman)
👍 78% Recommend
👤 82% CEO Approval (CEO)
Culture Values
OpenAI only
🚀 Ship Fast & Iterate🎯 Direct Product Impact
Twilio only
🌐 Remote-Friendly⚖️ Work-Life Balance🔓 Open Source
Shared
⚙️ Engineering-Driven🌱 Learning & Growth💎 Strong Comp & Equity
Pros & Cons
OpenAI
- Cutting-edge frontier AI research with world-class colleagues
- Elite compensation — top-tier TC and equity packages
- High-intensity environment — long hours and intense pace are the norm
- Internal politics and rapid org changes as the company scales
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
Bottom Line
OpenAI
High-intensity, mission-driven culture with world-class colleagues and top-tier comp — but expect long hours, rapid org changes, and internal politics as the company scales.
Twilio
Twilio — check Glassdoor for detailed reviews.
Open Roles
OpenAI — 655 jobs
💻 Engineering
317
💼 Sales / GTM
57
📋 Product
30
📊 Data
28
🧠 ML / AI
28
📣 Marketing
24
⚙️ Operations
17
⚖️ Legal
13
🎨 Design
10
👤 HR / People
9
💰 Finance
7
🎧 Support
4
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
Summary
OpenAI scores 4.5/5.0 on Glassdoor with a 3.6 work-life balance rating. Twilio scores 3.9/5.0 overall with a 4.1 WLB. That’s a 0.6-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth, Strong Comp & Equity. OpenAI also emphasizes Ship Fast & Iterate, Direct Product Impact. Twilio also emphasizes Remote-Friendly, Work-Life Balance, Open Source.
On the hiring front, OpenAI has 655 open roles and Twilio has 143 open roles.