# Untether AI

**Source:** https://www.startuphub.ai/startups/untether-ai
**Profile type:** Startup

> AI chip startup focused on energy-efficient inference acceleration, acquired by AMD.

## About

Untether AI developed AI chips designed for faster and more energy-efficient inference, utilizing an 'at-memory' architecture to minimize data movement. The company aimed to enable AI workloads outside of data centers, from the edge to the cloud. Untether AI was acquired by AMD.

## Key facts

- **Slug:** untether-ai
- **Website:** https://untether.ai/
- **Location:** Toronto, Canada
- **Founded:** 2018-01-01
- **Employees:** -149
- **Operating status:** Active
- **Total funding:** $158M
- **Sectors / tags:** AI Chip, AI Hardware, Inference Acceleration, Edge AI, Data Center AI, Semiconductors, Neuromorphic Computing, On-Device AI, Neural Network Accelerator, Semiconductor, Chip Design

## Frequently asked

### What does Untether AI do?

Untether AI developed AI chips designed for faster and more energy-efficient inference, utilizing an 'at-memory' architecture to minimize data movement. The company aimed to enable AI workloads outside of data centers, from the edge to the cloud. Untether AI was acquired by AMD.

### How much funding has Untether AI raised?

Untether AI has raised a total of $158M in funding.

### Where is Untether AI headquartered?

Untether AI is headquartered in Toronto, Canada.

### When was Untether AI founded?

Untether AI was founded in 2018.

### What industry does Untether AI operate in?

Untether AI operates in AI Chip, AI Hardware, Inference Acceleration, Edge AI, Data Center AI, Semiconductors.

### How many employees does Untether AI have?

Untether AI has approximately -149 people on record.

### What is Untether AI's revenue?

StartupHub estimates Untether AI's annual revenue at $9.5M (range $5.8M to $31.3M, 28% confidence), based on comparable companies in the sector.

### What is Untether AI's valuation?

StartupHub estimates Untether AI's effective valuation at $549.5M (range $395.0M to $948.0M, 10% confidence), based on comparable companies in the sector.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Untether AI",
          "item": "https://www.startuphub.ai/startups/untether-ai"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/untether-ai#webpage",
      "url": "https://www.startuphub.ai/startups/untether-ai",
      "name": "Untether AI - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Untether AI. Untether AI is a startup founded in 2018, operating in AI Chip and AI Hardware. AI chip startup focused on energy-efficient inference acceleration, acquired by AMD. Headquartered in Toronto, Canada. The company has approximately -149 employees.",
      "dateModified": "2026-07-01T09:30:43.137864+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/untether-ai#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/untether-ai#organization",
      "name": "Untether AI",
      "url": "https://untether.ai/",
      "description": "This is the official profile of Untether AI. Untether AI is a startup founded in 2018, operating in AI Chip and AI Hardware. AI chip startup focused on energy-efficient inference acceleration, acquired by AMD. Headquartered in Toronto, Canada. The company has approximately -149 employees.",
      "sameAs": [
        "https://www.startuphub.ai/startups/untether-ai"
      ],
      "foundingDate": "2018-01-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": -149
      },
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "Toronto",
        "addressCountry": "Canada"
      },
      "knowsAbout": [
        "AI Chip",
        "AI Hardware",
        "Inference Acceleration",
        "Edge AI",
        "Data Center AI",
        "Semiconductors",
        "Neuromorphic Computing",
        "On-Device AI",
        "Neural Network Accelerator",
        "Semiconductor",
        "Chip Design"
      ]
    },
    {
      "@type": "Product",
      "@id": "https://www.startuphub.ai/startups/untether-ai#profile-assessment",
      "name": "Untether AI - StartupHub.ai Profile Assessment",
      "url": "https://www.startuphub.ai/startups/untether-ai",
      "category": "AI Chip",
      "description": "This is the official profile of Untether AI. Untether AI is a startup founded in 2018, operating in AI Chip and AI Hardware. AI chip startup focused on energy-efficient inference acceleration, acquired by AMD. Headquartered in Toronto, Canada. The company has approximately -149 employees. Agent Readiness score: 22/100. Full audit: https://www.startuphub.ai/startups/untether-ai/agent-readiness",
      "brand": {
        "@type": "Brand",
        "name": "Untether AI"
      },
      "review": {
        "@type": "Review",
        "author": {
          "@type": "Organization",
          "name": "StartupHub.ai"
        },
        "datePublished": "2026-07-01",
        "name": "Untether AI - Profile Score 57/100",
        "reviewBody": "This is the official profile of Untether AI. Untether AI is a startup founded in 2018, operating in AI Chip and AI Hardware. AI chip startup focused on energy-efficient inference acceleration, acquired by AMD. Headquartered in Toronto, Canada. The company has approximately -149 employees. Agent Readiness score: 22/100. Full audit: https://www.startuphub.ai/startups/untether-ai/agent-readiness",
        "reviewRating": {
          "@type": "Rating",
          "ratingValue": 57,
          "bestRating": 100,
          "worstRating": 0
        }
      }
    }
  ]
}
```