Colin AI vs Sierra: Revenue, Funding & Team Size Compared
Colin AI has not disclosed its revenue; Sierra generates $200M. The table below compares Colin AI and Sierra on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  Colin AIThis company |  Sierra |
|---|---|---|
| Revenue | Not disclosed | $200M |
| Valuation | Not disclosed | $15.8B |
| Funding raised | Not disclosed | $1.6B |
| Team size | Not disclosed | 700 |
| Growth | Not disclosed | 100% |
| Founded | 2024 | 2023 |
| HQ | Madrid, Spain | San Francisco, United States |
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Colin AI at a glance
- Founded
- 2024
Build your own AI phone assistants that interact like real humans.
Sierra at a glance
Sierra generates $200M in revenue with 700 employees, headquartered in San Francisco, United States.
- Revenue
- $200M
- Valuation
- $15.8B
- Funding
- $1.6B
- Team size
- 700
- Founded
- 2023
Sierra is the conversational AI platform for businesses. We help companies elevate their customer experience with AI.
Other Colin AI alternatives
Colin AI competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Colin AI vs Sierra: frequently asked questions
How much revenue does Sierra make?
Sierra generates $200M in annual revenue with a team of 700.
How much funding has Sierra raised?
Sierra has raised $1.6B in total funding since it was founded in 2023.