PostHog
Small (~170)
Vast AI
Small (~30)
Best For
PostHog
Best for: Self-directed engineers who want radical transparency, no meetings, and full ownership of their product area
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
PostHogVast AI
4.3
5.0
Overall
4.5
3.8
Work-Life Balance
4.4
5.0
Culture & Values
4.3
5.0
Comp & Benefits
4.1
5.0
Senior Mgmt
4.1
5.0
Career Opps
👍 86% Recommend
👤 90% CEO Approval (James Hawkins)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
PostHog only
🔓 Open Source🪟 Transparent📡 Async-First🌐 Remote-Friendly
Vast AI only
⚙️ Engineering-Driven🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Shared
🤝 Flat Hierarchy🧩 Wears Many Hats
Pros & Cons
PostHog
- Extreme transparency — public handbook, open-source everything, radical autonomy
- Generous compensation with competitive pay, equity, and home office budget
- Small team means limited career progression paths
- Top-down decision-making can sometimes override team input
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
PostHog
Radically transparent open-source culture with 2-3 person autonomous teams, no deadlines, and a public handbook — ideal if you're self-motivated, tough if you need structure.
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
PostHog — 14 jobs
💻 Engineering
6
💼 Sales / GTM
3
📋 Product
1
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
PostHog scores 4.3/5.0 on Glassdoor with a 4.5 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 0.7-point gap on overall satisfaction.
Both companies share these culture values: Flat Hierarchy, Wears Many Hats. PostHog also emphasizes Open Source, Transparent, Async-First, Remote-Friendly. Vast AI also emphasizes Engineering-Driven, Ship Fast & Iterate, Strong Comp & Equity.
On the hiring front, PostHog has 14 open roles and Vast AI has 9 open roles.