Anyscale
Medium (~250)
OpenAI
Large (~3,500)
Best For
Anyscale
Best for: Distributed systems and ML infrastructure engineers who want to work on the Ray open-source project and commercial AI infra
OpenAI
Best for: Engineers who want to build frontier AI models at the company defining the industry, with elite compensation
Ratings
AnyscaleOpenAI
4.2
4.5
Overall
3.8
3.6
Work-Life Balance
4.2
4.6
Culture & Values
4.1
4.5
Comp & Benefits
4.0
4.3
Senior Mgmt
4.0
4.3
Career Opps
👍 84% Recommend
👤 87% CEO Approval (Robert Nishihara)
👍 90% Recommend
👤 95% CEO Approval (Sam Altman)
Culture Values
Anyscale only
🔓 Open Source🤝 Flat Hierarchy
OpenAI only
🌱 Learning & Growth🎯 Direct Product Impact💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate
Pros & Cons
Anyscale
- Brilliant colleagues from top companies
- Direct impact on AI/ML ecosystem
- Context switching between projects
- Documentation can lag behind development
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
Anyscale
Choose Anyscale if you want to work on Ray — the dominant compute framework for AI workloads — with strong engineering culture and open-source DNA.
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
Anyscale
No open roles currently listed
OpenAI — 655 jobs
💻 Engineering
317
💼 Sales / GTM
57
📋 Product
30
📊 Data
28
🧠 ML / AI
28
📣 Marketing
24
⚙️ Operations
17
⚖️ Legal
13
🎨 Design
10
👤 HR / People
9
💰 Finance
7
🎧 Support
4
Summary
Anyscale 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, Ship Fast & Iterate. Anyscale also emphasizes Open Source, Flat Hierarchy. OpenAI also emphasizes Learning & Growth, Direct Product Impact, Strong Comp & Equity.
On the hiring front, Anyscale has 0 open roles and OpenAI has 655 open roles.