OpenAI
Large (~3,500)
PostHog
Small (~170)
Best For
OpenAI
Best for: Professionals interested in OpenAI
PostHog
Best for: Professionals interested in PostHog
Ratings
OpenAIPostHog
4.5
4.3
Overall
3.6
4.5
Work-Life Balance
4.6
4.4
Culture & Values
4.5
4.3
Comp & Benefits
4.3
4.1
Senior Mgmt
4.3
4.1
Career Opps
👍 90% Recommend
👤 95% CEO Approval (CEO)
👍 86% Recommend
👤 90% CEO Approval (CEO)
Culture Values
OpenAI only
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🌱 Learning & Growth🤖 Ethical AI / Safety🎯 Direct Product Impact💎 Strong Comp & Equity
PostHog only
🔓 Open Source🪟 Transparent📡 Async-First🌐 Remote-Friendly🤝 Flat Hierarchy🧩 Wears Many Hats
Shared
None
Pros & Cons
OpenAI
- Cutting-edge frontier AI research with world-class colleagues
- Elite compensation — top-tier TC and equity packages
- High-intensity environment — long hours and intense pace are the norm
- Internal politics and rapid org changes as the company scales
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
Bottom Line
OpenAI
OpenAI — check Glassdoor for detailed reviews.
PostHog
PostHog — check Glassdoor for detailed reviews.
Open Roles
OpenAI — 626 jobs
💻 Engineering
293
💼 Sales / GTM
49
📋 Product
32
🧠 ML / AI
31
📊 Data
27
📣 Marketing
23
⚙️ Operations
17
⚖️ Legal
15
🎨 Design
11
💰 Finance
11
👤 HR / People
8
🎧 Support
4
PostHog — 15 jobs
💻 Engineering
7
💼 Sales / GTM
3
🧠 ML / AI
1
📋 Product
1