Cohere
Small (~500)
Sierra
Large (~500)
Best For
Cohere
Best for: Enterprise AI builders willing to trade stability for cutting-edge NLP research
Sierra
Best for: Builders who want to work with proven Salesforce and Google leadership on enterprise AI agents
Ratings
CohereSierra
2.9
4.0
Overall
2.5
3.5
Work-Life Balance
3.0
4.1
Culture & Values
3.2
4.0
Comp & Benefits
2.3
3.8
Senior Mgmt
2.5
3.8
Career Opps
👍 48% Recommend
👤 55% CEO Approval (Aidan Gomez)
👍 80% Recommend
👤 84% CEO Approval (Bret Taylor)
Culture Values
Cohere only
No unique values
Sierra only
🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Shared
🌱 Learning & Growth⚙️ Engineering-Driven
Pros & Cons
Cohere
- Cutting-edge NLP research from Transformer co-author
- Enterprise AI focus gives real customer impact
- Frequent organizational restructuring has led to notable team turnover
- Internal communication from leadership could be more transparent
Sierra
- Elite founders with proven track records
- Strong equity at $10B valuation
- In-person-first culture
- Competitive intensity may not suit everyone
Bottom Line
Cohere
Choose Cohere if you want Transformer co-author pedigree and enterprise AI focus — but expect turbulence and lower ratings.
Sierra
Choose Sierra if you want elite founders (Bret Taylor, Clay Bavor) and strong equity at a $10B enterprise AI company — but it's in-person-first and the competitive intensity won't suit everyone.
Open Roles
Cohere — 116 jobs
💻 Engineering
36
💼 Sales / GTM
12
🧠 ML / AI
9
📋 Product
8
📣 Marketing
7
💰 Finance
4
👤 HR / People
4
📊 Data
3
⚙️ Operations
2
⚖️ Legal
1
🎧 Support
1
Sierra — 134 jobs
💻 Engineering
42
💼 Sales / GTM
27
📋 Product
15
👤 HR / People
7
🎨 Design
5
⚖️ Legal
5
📣 Marketing
5
⚙️ Operations
5
📊 Data
2
💰 Finance
1
Summary
Cohere scores 2.9/5.0 on Glassdoor with a 2.5 work-life balance rating. Sierra scores 4.0/5.0 overall with a 3.5 WLB. That’s a 1.1-point gap on overall satisfaction.
Both companies share these culture values: Learning & Growth, Engineering-Driven. Sierra also emphasizes Ship Fast & Iterate, Strong Comp & Equity.
On the hiring front, Cohere has 116 open roles and Sierra has 134 open roles.