Together AI
Small (~150)
Vast AI
Small (~30)
Best For
Together AI
Best for: Open-source AI infrastructure builders who want research-level impact at a startup
Vast AI
Best for: Scrappy generalists who want a front-row seat to the AI compute revolution
Ratings
Together AIVast AI
4.1
5.0
Overall
3.8
3.8
Work-Life Balance
4.3
5.0
Culture & Values
4.0
5.0
Comp & Benefits
4.0
5.0
Senior Mgmt
3.8
5.0
Career Opps
👍 82% Recommend
👤 85% CEO Approval (Vipul Ved Prakash)
👍 100% Recommend
👤 100% CEO Approval (Jake Cannell)
Culture Values
Together AI only
🔓 Open Source🌱 Learning & Growth
Vast AI only
🚀 Ship Fast & Iterate💎 Strong Comp & Equity
Shared
⚙️ Engineering-Driven🤝 Flat Hierarchy🧩 Wears Many Hats
Pros & Cons
Together AI
- Open-source AI infrastructure — real mission alignment, not just marketing
- Small team with outsized research output; your work has direct impact
- Early-stage means wearing many hats constantly — not for specialists
- Limited career ladder; growth paths are still being defined
Vast AI
- Front-row seat to the AI compute revolution — demand for GPU cloud is surging
- Strong compensation and generous equity stakes for a bootstrapped startup
- Processes are still being defined — expect ad hoc workflows
- Intense workload — the team explicitly values high output
Bottom Line
Together AI
Choose Together AI if you want real open-source mission with outsized research output — but expect to wear many hats.
Vast AI
Choose Vast AI if you want perfect Glassdoor scores and generous equity at a tiny GPU marketplace — but expect startup chaos.
Open Roles
Together AI — 49 jobs
💻 Engineering
19
🧠 ML / AI
9
📊 Data
4
📋 Product
3
🎧 Support
3
📣 Marketing
2
💼 Sales / GTM
2
🎨 Design
1
⚖️ Legal
1
⚙️ Operations
1
Vast AI — 9 jobs
💻 Engineering
6
🧠 ML / AI
2
Summary
Together AI scores 4.1/5.0 on Glassdoor with a 3.8 work-life balance rating. Vast AI scores 5.0/5.0 overall with a 3.8 WLB. That’s a 0.9-point gap on overall satisfaction.
Both companies share these culture values: Engineering-Driven, Flat Hierarchy, Wears Many Hats. Together AI also emphasizes Open Source, Learning & Growth. Vast AI also emphasizes Ship Fast & Iterate, Strong Comp & Equity.
On the hiring front, Together AI has 49 open roles and Vast AI has 9 open roles.