Opennote vs Quizlet: Revenue, Funding & Team Size Compared
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Opennote generates $3.5M in revenue; Quizlet generates $139M. Quizlet is 39× bigger than Opennote by revenue. The table below compares Opennote and Quizlet on funding, valuation, customers, team size and headquarters — every figure GetLatka has verified for each company.
| Company |  OpennoteThis company |  Quizlet |
|---|---|---|
| Revenue | $3.5M | $139M |
| Valuation | Not disclosed | $1B |
| Funding raised | Not disclosed | $62M |
| Customers | Not disclosed | 1M |
| Team size | 32 | 547 |
| Founded | 2025 | 2005 |
| HQ | San Francisco, United States | San Francisco, United States |
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Opennote at a glance
Opennote generates $3.5M in revenue with 32 employees, headquartered in San Francisco, United States.
- Revenue
- $3.5M
- Team size
- 32
- Founded
- 2025
The AI tutor that lives in your notes
Quizlet at a glance
Quizlet generates $139M in revenue with 547 employees, headquartered in San Francisco, United States.
- Revenue
- $139M
- Valuation
- $1B
- Funding
- $62M
- Customers
- 1M
- Team size
- 547
- Founded
- 2005
Quizlet is a San Francisco-based consumer learning platform founded in 2005 and 2006 that has grown into one of the largest digital study tools in the United States. As of early 2018, the platform counted more than 30 million monthly…
Other Opennote alternatives
Opennote competes with more than the companies on this page. Browse the full alternative lists to compare revenue, funding and team size across the category.
Opennote vs Quizlet: frequently asked questions
Is Opennote or Quizlet bigger?
Quizlet is the bigger company by revenue, at $139M against $3.5M for Opennote.
How much revenue does Opennote make?
Opennote generates $3.5M in annual revenue with a team of 32.
How much revenue does Quizlet make?
Quizlet generates $139M in annual revenue with a team of 547.
How much funding has Quizlet raised?
Quizlet has raised $62M in total funding since it was founded in 2005.