Brex
Large (~1,600)
OpenAI
Large (~3,500)
Best For
Brex
Best for: Engineers who want to build AI-powered fintech at massive scale with smart colleagues
OpenAI
Best for: Engineers who want to build frontier AI models at the company defining the industry, with elite compensation
Ratings
BrexOpenAI
4.0
4.5
Overall
3.9
3.6
Work-Life Balance
3.8
4.6
Culture & Values
4.0
4.5
Comp & Benefits
3.5
4.3
Senior Mgmt
3.6
4.3
Career Opps
👍 77% Recommend
👤 71% CEO Approval (Pedro Franceschi)
👍 90% Recommend
👤 95% CEO Approval (Sam Altman)
Culture Values
Brex only
🪟 Transparent
OpenAI only
💎 Strong Comp & Equity
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven🎯 Direct Product Impact🌱 Learning & Growth
Pros & Cons
Brex
- Innovation-driven culture with incredibly smart, passionate, and supportive colleagues
- Strong benefits and time off actively encouraged with flexible scheduling
- Culture of overworking — many departments understaffed relative to workload expectations
- Multiple rounds of layoffs in recent years have created uncertainty and morale challenges
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
Bottom Line
Brex
Choose Brex if you want to build AI-powered fintech at massive scale with smart colleagues — but expect intense workloads and some organizational instability from recent layoffs.
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.
Open Roles
Brex — 235 jobs
💼 Sales / GTM
72
💻 Engineering
49
📋 Product
18
🎨 Design
15
📣 Marketing
14
👤 HR / People
13
📊 Data
10
⚖️ Legal
6
💰 Finance
3
⚙️ Operations
3
🎧 Support
2
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
Summary
Brex scores 4.0/5.0 on Glassdoor with a 3.9 work-life balance rating. OpenAI scores 4.5/5.0 overall with a 3.6 WLB. That’s a 0.5-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Engineering-Driven, Direct Product Impact, Learning & Growth. Brex also emphasizes Transparent. OpenAI also emphasizes Strong Comp & Equity.
On the hiring front, Brex has 235 open roles and OpenAI has 655 open roles.