Glean
Large (~1,475)
OpenAI
Large (~3,500)
Best For
Glean
Best for: AI engineers who want to work on enterprise search with ex-Google leadership and don't mind below-market base pay offset by strong equity upside
OpenAI
Best for: Engineers who want to build frontier AI models at the company defining the industry, with elite compensation
Ratings
GleanOpenAI
4.2
4.5
Overall
3.8
3.6
Work-Life Balance
4.3
4.6
Culture & Values
4.2
4.5
Comp & Benefits
4.0
4.3
Senior Mgmt
4.0
4.3
Career Opps
👍 84% Recommend
👤 88% CEO Approval (Arvind Jain)
👍 90% Recommend
👤 95% CEO Approval (Sam Altman)
Culture Values
Glean only
🪟 Transparent
OpenAI only
🤖 Ethical AI / Safety💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🌱 Learning & Growth🎯 Direct Product Impact🚀 Ship Fast & Iterate
Pros & Cons
Glean
- World-class AI talent — learn from ex-Google leadership on cutting-edge enterprise search
- Transparent collaborative culture with strong career growth
- Below-market compensation — comp rated only 3.6/5
- Sales org has high churn and toxicity problems in EMEA and US
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
Bottom Line
Glean
Top-tier AI engineering talent and explosive growth, but comp lags peers and the sales org has churn problems — the engineering side is the real draw.
OpenAI
High-intensity, mission-driven culture with world-class colleagues and top-tier comp — but expect long hours, rapid org changes, and internal politics as the company scales.
Open Roles
Glean — 196 jobs
💼 Sales / GTM
68
💻 Engineering
42
📋 Product
16
📣 Marketing
10
👤 HR / People
8
🧠 ML / AI
6
🎨 Design
5
📊 Data
3
⚙️ Operations
3
OpenAI — 660 jobs
💻 Engineering
304
💼 Sales / GTM
58
📋 Product
33
🧠 ML / AI
32
📊 Data
28
📣 Marketing
27
⚙️ Operations
19
👤 HR / People
14
🎨 Design
12
⚖️ Legal
10
🎧 Support
4
💰 Finance
3
Summary
Glean scores 4.2/5.0 on Glassdoor with a 3.8 work-life balance rating. OpenAI scores 4.5/5.0 overall with a 3.6 WLB. That’s a 0.3-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth, Direct Product Impact, Ship Fast & Iterate. Glean also emphasizes Transparent. OpenAI also emphasizes Ethical AI / Safety, Strong Comp & Equity.
On the hiring front, Glean has 196 open roles and OpenAI has 660 open roles.