Cerebras Systems
Large (~700)
Perplexity AI
Mid (~500)
Best For
Cerebras Systems
Best for: Hardware and systems engineers who want to build the world's fastest AI chip at a newly public company
Perplexity AI
Best for: Builders who thrive on speed and want massive user-facing impact at a rocketship
Ratings
Cerebras SystemsPerplexity AI
4.0
4.7
Overall
3.8
3.3
Work-Life Balance
4.1
4.8
Culture & Values
4.0
4.5
Comp & Benefits
3.8
4.5
Senior Mgmt
3.8
4.2
Career Opps
👍 80% Recommend
👤 84% CEO Approval (Andrew Feldman)
👍 92% Recommend
👤 95% CEO Approval (Aravind Srinivas)
Culture Values
Cerebras Systems only
No unique values
Perplexity AI only
🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🌱 Learning & Growth🎯 Direct Product Impact
Pros & Cons
Cerebras Systems
- Collaborative culture with strong mentorship
- Autonomy in small self-managed teams
- Top-down decisions with aggressive timelines
- Recent layoffs and workload concerns
Perplexity AI
- Fastest-growing AI product — real users, real revenue, genuine product-market fit
- Small team, massive impact per engineer — your work ships to millions quickly
- Startup intensity — expect long hours and high expectations
- Growing pains as the team scales — roles and responsibilities shift frequently
Bottom Line
Cerebras Systems
Choose Cerebras if you want to work on wafer-scale AI chips with collaborative mentorship and autonomy — but expect aggressive timelines driven from the top and recent organizational instability post-IPO.
Perplexity AI
Choose Perplexity if you want the fastest-growing AI product and huge per-engineer impact — but expect startup intensity.
Open Roles
Cerebras Systems — 93 jobs
💻 Engineering
58
🧠 ML / AI
10
💰 Finance
5
📋 Product
5
📣 Marketing
2
⚙️ Operations
2
🎨 Design
1
⚖️ Legal
1
Perplexity AI — 74 jobs
💻 Engineering
37
🧠 ML / AI
8
📊 Data
5
⚖️ Legal
4
📣 Marketing
3
⚙️ Operations
3
💼 Sales / GTM
2
🎧 Support
2
👤 HR / People
1
📋 Product
1
Summary
Cerebras Systems scores 4.0/5.0 on Glassdoor with a 3.8 work-life balance rating. Perplexity AI scores 4.7/5.0 overall with a 3.3 WLB. That’s a 0.7-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Learning & Growth, Direct Product Impact. Perplexity AI also emphasizes Ship Fast & Iterate, Strong Comp & Equity.
On the hiring front, Cerebras Systems has 93 open roles and Perplexity AI has 74 open roles.