Fireworks AI
Small (~100)
Hebbia
Small (~140)
Best For
Fireworks AI
Best for: Engineers who want to work with ex-Meta AI infrastructure engineers on LLM inference
Hebbia
Best for: Engineers who want a famously kind, high-EQ team building cutting-edge AI for finance and legal professionals
Ratings
Fireworks AIHebbia
4.2
4.4
Overall
3.3
3.2
Work-Life Balance
4.3
4.5
Culture & Values
4.2
4.4
Comp & Benefits
4.2
4.2
Senior Mgmt
4.0
4.2
Career Opps
👍 88% Recommend
👤 92% CEO Approval (George Sivulka)
Culture Values
Fireworks AI only
🎧 Deep Work / Low Meetings
Hebbia only
🎯 Direct Product Impact
Shared
⚙️ Engineering-Driven🚀 Ship Fast & Iterate🧩 Wears Many Hats🌱 Learning & Growth
Pros & Cons
Fireworks AI
- World-class team of ex-Meta AI infrastructure engineers — technically very strong peers
- Working on LLM inference optimization which is one of the hottest areas in AI infrastructure
- Early-stage startup intensity with long hours expected and high performance bar
- Small team and rapidly evolving product means less structure, process, and career laddering
Hebbia
- Incredible culture and smart, kind team
- Cutting-edge AI work in finance
- Very long hours expected
- Fully in-office, no flexibility
Bottom Line
Fireworks AI
Choose Fireworks AI if you want to work with ex-Meta AI infrastructure engineers on cutting-edge LLM inference — but expect early-stage startup intensity and limited structure.
Hebbia
Choose Hebbia if you want one of the most collegial cultures in AI (4.4 Glassdoor, 88% recommend) and direct impact in fintech — but expect very long hours and fully in-office, no remote flexibility.
Open Roles
Fireworks AI — 30 jobs
💻 Engineering
9
💼 Sales / GTM
5
📊 Data
1
🎨 Design
1
👤 HR / People
1
📣 Marketing
1
🧠 ML / AI
1
⚙️ Operations
1
📋 Product
1
Hebbia — 32 jobs
💼 Sales / GTM
10
💻 Engineering
8
📊 Data
2
🎨 Design
2
💰 Finance
1
👤 HR / People
1
🧠 ML / AI
1
Summary
Fireworks AI scores 4.2/5.0 on Glassdoor with a 3.3 work-life balance rating. Hebbia scores 4.4/5.0 overall with a 3.2 WLB. That’s a 0.2-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Ship Fast & Iterate, Wears Many Hats, Learning & Growth. Fireworks AI also emphasizes Deep Work / Low Meetings. Hebbia also emphasizes Direct Product Impact.
On the hiring front, Fireworks AI has 30 open roles and Hebbia has 32 open roles.