Lambda
Mid (~500)
Vast AI
Small (~30)
Best For
Lambda
Best for: Professionals interested in Lambda
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
LambdaVast AI
3.6
5.0
Overall
3.7
3.8
Work-Life Balance
3.7
5.0
Culture & Values
3.6
5.0
Comp & Benefits
3.4
5.0
Senior Mgmt
3.4
5.0
Career Opps
👍 72% Recommend
👤 76% CEO Approval (CEO)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Lambda only
🎯 Direct Product Impact
Vast AI only
🤝 Flat Hierarchy🧩 Wears Many Hats
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Pros & Cons
Lambda
- Building the GPU cloud that powers the world’s top AI labs — genuinely impactful infrastructure
- Smart engineering team with strong technical culture and good WLB on most teams
- Management style described as top-down; strategy clarity could be better
- Internal politics and coordination overhead slow things down for some teams
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
Lambda
Lambda — 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
Lambda — 32 jobs
💻 Engineering
14
💰 Finance
6
📋 Product
4
👤 HR / People
2
⚖️ Legal
1
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
Lambda scores 3.6/5.0 on Glassdoor with a 3.7 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 1.4-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Strong Comp & Equity. Lambda also emphasizes Direct Product Impact. Vast AI also emphasizes Flat Hierarchy, Wears Many Hats.
On the hiring front, Lambda has 32 open roles and Vast AI has 9 open roles.