Brex
Large (~1,600)
Vast AI
Small (~30)
Best For
Brex
Best for: Engineers who want to build AI-powered fintech at massive scale with smart colleagues
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
BrexVast AI
4.0
5.0
Overall
3.9
3.8
Work-Life Balance
3.8
5.0
Culture & Values
4.0
5.0
Comp & Benefits
3.5
5.0
Senior Mgmt
3.6
5.0
Career Opps
👍 77% Recommend
👤 71% CEO Approval (Pedro Franceschi)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Brex only
🎯 Direct Product Impact🌱 Learning & Growth🪟 Transparent
Vast AI only
🤝 Flat Hierarchy🧩 Wears Many Hats💎 Strong Comp & Equity
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven
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
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
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.
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
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
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
Brex scores 4.0/5.0 on Glassdoor with a 3.9 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 1.0-point gap on overall satisfaction.
Both companies share these culture values: Ship Fast & Iterate, Engineering-Driven. Brex also emphasizes Direct Product Impact, Learning & Growth, Transparent. Vast AI also emphasizes Flat Hierarchy, Wears Many Hats, Strong Comp & Equity.
On the hiring front, Brex has 235 open roles and Vast AI has 9 open roles.