ONYX
AcquiredThe World's Smartest Personal Trainer
San Francisco, United States · Founded 2018 · $113.0M raised
- Headquarters
- San Francisco, California
- Employees
- 1–10
- Founded
- 2018
- Business Model
- B2C
- Website
- onyx.fit
- Total Funding
- $113.0M
- Last Round
- $113.0M Series BJul 2026
- Rounds
- 1
- Acquired by
- Cult.fit
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 1 investor for this company. The full record is or through the API.
About
Onyx was a San Francisco-based AI fitness startup that used on-device computer vision to deliver personalized workout experiences, enabling users to track exercise repetitions, receive real-time form corrections, and access lifelike fitness classes via their smartphone camera. Founded in August 2018 by Asaf Avidan Antonir and James Sha, the company raised an initial $1 million before being acquired by Indian health and fitness platform Cure.fit in January 2021. Following the acquisition, Onyx's technology was integrated into Cure.fit's international fitness offerings.
Summary
ONYX is a Healthcare company based in San Francisco, United States, founded in 2018. It has raised $113.0M in total across 1 round, most recently a $113.0M Series B round in Jul 2026. Investors include Bessemer Venture Partners.
Funding & Exit History
Jul 2026
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Funding: Series B. Amounts, valuations, and investors where available.
Investors
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