Cognition
Medium (~300)
Lambda
Mid (~500)
Best For
Cognition
Best for: Elite engineers who want to build frontier AI coding agents and own a meaningful equity stake
Lambda
Best for: Professionals interested in Lambda
Ratings
CognitionLambda
3.8
3.6
Overall
3.2
3.7
Work-Life Balance
3.9
3.7
Culture & Values
3.8
3.6
Comp & Benefits
3.6
3.4
Senior Mgmt
3.6
3.4
Career Opps
👍 76% Recommend
👤 80% CEO Approval (Scott Wu)
👍 72% Recommend
👤 76% CEO Approval (CEO)
Culture Values
Cognition only
No unique values
Lambda only
No unique values
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate💎 Strong Comp & Equity🎯 Direct Product Impact
Pros & Cons
Cognition
- Elite engineering team with strong equity
- Cutting-edge AI agent work
- High-intensity startup pace
- In-person SF expectations
Lambda
- Building the GPU cloud that powers the world’s top AI labs — genuinely impactful infrastructure
- Smart engineering team with strong technical culture and good WLB on most teams
- Management style described as top-down; strategy clarity could be better
- Internal politics and coordination overhead slow things down for some teams
Bottom Line
Cognition
Choose Cognition if you want world-class AI agent research (makers of Devin) with strong equity upside — but expect top-tier intensity and mandatory in-person in San Francisco.
Lambda
Lambda — check Glassdoor for detailed reviews.
Open Roles
Cognition — 62 jobs
💻 Engineering
21
💼 Sales / GTM
10
📊 Data
3
⚖️ Legal
2
⚙️ Operations
2
💰 Finance
1
👤 HR / People
1
📣 Marketing
1
🧠 ML / AI
1
Lambda — 32 jobs
💻 Engineering
14
💰 Finance
6
📋 Product
4
👤 HR / People
2
⚖️ Legal
1
Summary
Cognition scores 3.8/5.0 on Glassdoor with a 3.2 work-life balance rating. Lambda scores 3.6/5.0 overall with a 3.7 WLB. That’s a 0.2-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Strong Comp & Equity, Direct Product Impact.
On the hiring front, Cognition has 62 open roles and Lambda has 32 open roles.