Untether AI
ClosedToronto, Canada · Founded 2018 · $125.0M raised
- Headquarters
- Toronto
- Employees
- 51–200
- Founded
- 2018
- Business Model
- B2B
- Website
- untether.ai
- Total Funding
- $125.0M
- Last Round
- $125.0M Venture RoundJul 2021
- Rounds
- 1
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Untether AI developed high-performance AI inference chips designed to operate at extreme energy efficiency, targeting inference acceleration for neural networks. The company raised $125M and expanded to approximately 70-150 employees before AMD acquired its team in June 2025.
Summary
Untether AI is an Artificial Intelligence company based in Toronto, Canada, founded in 2018. It has raised $125.0M in total across 1 round, most recently a $125.0M Venture Round in Jul 2021.
Funding History
Jul 2021
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