Vast AI
Small (~30)
Writer
Mid (~400)
Best For
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Writer
Best for: Professionals interested in Writer
Ratings
Vast AIWriter
5.0
3.5
Overall
3.8
2.7
Work-Life Balance
5.0
3.6
Culture & Values
5.0
3.5
Comp & Benefits
5.0
3.3
Senior Mgmt
5.0
3.3
Career Opps
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
👍 70% Recommend
👤 74% CEO Approval (CEO)
Culture Values
Vast AI only
🤝 Flat Hierarchy🧩 Wears Many Hats💎 Strong Comp & Equity
Writer only
🔓 Open Source
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate
Pros & Cons
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
Writer
- Real AI engineering with proprietary LLMs — not just wrapping OpenAI APIs
- Strong enterprise traction and visionary product direction
- Intense work culture with very high expectations and limited work-life balance
- Growing management layers creating organizational friction
Bottom Line
Vast AI
Choose Vast AI if you want perfect Glassdoor scores and generous equity at a tiny GPU marketplace — but expect startup chaos.
Writer
Writer — check Glassdoor for detailed reviews.
Open Roles
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Writer — 49 jobs
💻 Engineering
16
💼 Sales / GTM
12
🎨 Design
1
⚙️ Operations
1
📋 Product
1
Summary
Vast AI scores 5.0/5.0 on Glassdoor with a 3.8 work-life balance rating. Writer scores 3.5/5.0 overall with a 2.7 WLB. That’s a 1.5-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate. Vast AI also emphasizes Flat Hierarchy, Wears Many Hats, Strong Comp & Equity. Writer also emphasizes Open Source.
On the hiring front, Vast AI has 9 open roles and Writer has 49 open roles.