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
4.5
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🌐 Remote-Friendly
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
- Remote-first with strong benefits — 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 — 253 jobs
💼 Sales / GTM
78
💻 Engineering
53
📋 Product
20
👤 HR / People
16
🎨 Design
15
📣 Marketing
15
📊 Data
10
💰 Finance
10
⚖️ Legal
6
⚙️ Operations
5
Vast AI — 10 jobs
💻 Engineering
5
🧠 ML / AI
2
📊 Data
1