# Coefficient Bio

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

> AI safety and research company building reliable, interpretable, and steerable AI systems.

## About

Coefficient Bio Inc. was a provider of artificial intelligence software specifically designed for medical researchers. The company has been acquired by Anthropic PBC. Anthropic is focused on building AI systems that are helpful, honest, and harmless, with a strong emphasis on AI safety and alignment research.

## Key facts

- **Slug:** coefficient-bio
- **Website:** https://www.anthropic.com/
- **Location:** San Francisco, United States
- **Founded:** 2021-01-01
- **Employees:** 4836
- **Operating status:** Active
- **Total funding:** $15.8B
- **Sectors / tags:** Biotechnology, Artificial Intelligence, Healthcare, Frontier AI Lab, AGI Research, Foundation Model, Large Language Model, AI Safety, AI Alignment, Generative AI, Biotech, MedTech, HealthTech, Drug Discovery
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/anthropicresearch
  - Twitter: https://x.com/AnthropicAI

## Frequently asked

### What does Coefficient Bio do?

Coefficient Bio Inc. was a provider of artificial intelligence software specifically designed for medical researchers. The company has been acquired by Anthropic PBC. Anthropic is focused on building AI systems that are helpful, honest, and harmless, with a strong emphasis on AI safety and alignment research.

### What is Coefficient Bio's revenue?

StartupHub estimates Coefficient Bio's annual revenue at $714.9M (range $369.9M to $2.1B, 69% confidence), based on comparable companies in the sector.

### What is Coefficient Bio's valuation?

StartupHub estimates Coefficient Bio's effective valuation at $23.4B (range $16.4B to $30.4B, 34% confidence), based on comparable companies in the sector.

### How much funding has Coefficient Bio raised?

Coefficient Bio has raised a total of $15.8B in funding. The most recent round on record is Series D.

### Where is Coefficient Bio headquartered?

Coefficient Bio is headquartered in San Francisco, United States.

### When was Coefficient Bio founded?

Coefficient Bio was founded in 2021.

### What industry does Coefficient Bio operate in?

Coefficient Bio operates in Biotechnology, Artificial Intelligence, Healthcare, Frontier AI Lab, AGI Research, Foundation Model.

### How many employees does Coefficient Bio have?

Coefficient Bio has approximately 4836 people on record.

## 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": "Coefficient Bio",
          "item": "https://www.startuphub.ai/startups/coefficient-bio"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/coefficient-bio#webpage",
      "url": "https://www.startuphub.ai/startups/coefficient-bio",
      "name": "Coefficient Bio - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Coefficient Bio. Coefficient Bio is a startup founded in 2021, operating in Biotechnology and Artificial Intelligence. AI safety and research company building reliable, interpretable, and steerable AI systems. Headquartered in San Francisco, United States. The company has approximately 4836 employees.",
      "dateModified": "2026-07-13T09:45:57.473+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/coefficient-bio#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/coefficient-bio#organization",
      "name": "Coefficient Bio",
      "url": "https://www.anthropic.com/",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/3eae53a1-7b15-4464-b488-b36440466fee-square.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/3eae53a1-7b15-4464-b488-b36440466fee-square.webp",
      "description": "This is the official profile of Coefficient Bio. Coefficient Bio is a startup founded in 2021, operating in Biotechnology and Artificial Intelligence. AI safety and research company building reliable, interpretable, and steerable AI systems. Headquartered in San Francisco, United States. The company has approximately 4836 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/anthropicresearch",
        "https://x.com/AnthropicAI",
        "https://www.startuphub.ai/startups/coefficient-bio"
      ],
      "foundingDate": "2021-01-01",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 4836
      },
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "San Francisco",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "Biotechnology",
        "Artificial Intelligence",
        "Healthcare",
        "Frontier AI Lab",
        "AGI Research",
        "Foundation Model",
        "Large Language Model",
        "AI Safety",
        "AI Alignment",
        "Generative AI",
        "Biotech",
        "MedTech",
        "HealthTech",
        "Drug Discovery"
      ]
    },
    {
      "@type": "Product",
      "@id": "https://www.startuphub.ai/startups/coefficient-bio#profile-assessment",
      "name": "Coefficient Bio - StartupHub.ai Profile Assessment",
      "url": "https://www.startuphub.ai/startups/coefficient-bio",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/3eae53a1-7b15-4464-b488-b36440466fee-square.webp",
      "category": "Biotechnology",
      "description": "This is the official profile of Coefficient Bio. Coefficient Bio is a startup founded in 2021, operating in Biotechnology and Artificial Intelligence. AI safety and research company building reliable, interpretable, and steerable AI systems. Headquartered in San Francisco, United States. The company has approximately 4836 employees. Agent Readiness score: 45/100. Full audit: https://www.startuphub.ai/startups/coefficient-bio/agent-readiness",
      "brand": {
        "@type": "Brand",
        "name": "Coefficient Bio"
      },
      "review": {
        "@type": "Review",
        "author": {
          "@type": "Organization",
          "name": "StartupHub.ai"
        },
        "datePublished": "2026-07-13",
        "name": "Coefficient Bio - Profile Score 71/100",
        "reviewBody": "This is the official profile of Coefficient Bio. Coefficient Bio is a startup founded in 2021, operating in Biotechnology and Artificial Intelligence. AI safety and research company building reliable, interpretable, and steerable AI systems. Headquartered in San Francisco, United States. The company has approximately 4836 employees. Agent Readiness score: 45/100. Full audit: https://www.startuphub.ai/startups/coefficient-bio/agent-readiness",
        "reviewRating": {
          "@type": "Rating",
          "ratingValue": 71,
          "bestRating": 100,
          "worstRating": 0
        }
      }
    }
  ]
}
```