Pylon
Small (~70)
Vast AI
Small (~30)
Best For
Pylon
Best for: Professionals interested in Pylon
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
PylonVast AI
3.0
5.0
Overall
4.0
4.5
Work-Life Balance
3.1
5.0
Culture & Values
3.0
5.0
Comp & Benefits
2.8
5.0
Senior Mgmt
2.8
5.0
Career Opps
👍 60% Recommend
👤 63% CEO Approval (CEO)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Pylon only
🎯 Direct Product Impact
Vast AI only
💎 Strong Comp & Equity
Shared
🚀 Ship Fast & Iterate⚙️ Engineering-Driven🤝 Flat Hierarchy🧩 Wears Many Hats
Pros & Cons
Pylon
- YC + a16z backed with strong product-market fit in B2B customer support
- Small team with outsized ownership — every engineer directly shapes the product
- Polarized reviews — aggressive culture reported by some employees
- Very early-stage with minimal processes — only 4 Glassdoor reviews
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
Pylon
Pylon — 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
Pylon — 29 jobs
💼 Sales / GTM
12
💻 Engineering
9
🎨 Design
2
📣 Marketing
2
💰 Finance
1
📋 Product
1
Vast AI — 10 jobs
💻 Engineering
5
🧠 ML / AI
2
📊 Data
1