# Assistant-ui

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

> Open-source React library for building production-grade AI chat interfaces.

## About

Assistant-ui is an open-source React toolkit for building production-ready AI chat experiences. It offers a ChatGPT-style UI with composable components and state management for streaming, interruptions, and multi-turn conversations, integrating with various LLM providers and backends. The company serves developers looking to ship AI chat directly into their applications.

## Key facts

- **Slug:** assistant-ui
- **Website:** https://www.assistant-ui.com/
- **Location:** San Francisco, United States
- **Founded:** 2024-01-01
- **Operating status:** Active
- **Total funding:** $500K
- **Sectors / tags:** AI Chat Interface, Developer Tools, Open Source, React, TypeScript, Frontend Development, Generative AI, Agentic AI
- **Social:**
  - Twitter: https://x.com/assistantui
  - GitHub: https://github.com/assistant-ui

## Frequently asked

### What does Assistant-ui do?

Assistant-ui is an open-source React toolkit for building production-ready AI chat experiences. It offers a ChatGPT-style UI with composable components and state management for streaming, interruptions, and multi-turn conversations, integrating with various LLM providers and backends. The company serves developers looking to ship AI chat directly into their applications.

### What is Assistant-ui's valuation?

StartupHub estimates Assistant-ui's effective valuation at $1.9M (range $1.3M to $3.0M, 15% confidence), based on comparable companies in the sector.

### How much funding has Assistant-ui raised?

Assistant-ui has raised a total of $500K in funding. The most recent round on record is Seed.

### Where is Assistant-ui headquartered?

Assistant-ui is headquartered in San Francisco, United States.

### When was Assistant-ui founded?

Assistant-ui was founded in 2024.

### What industry does Assistant-ui operate in?

Assistant-ui operates in AI Chat Interface, Developer Tools, Open Source, React, TypeScript, Frontend Development.

## 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": "Assistant-ui",
          "item": "https://www.startuphub.ai/startups/assistant-ui"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/assistant-ui#webpage",
      "url": "https://www.startuphub.ai/startups/assistant-ui",
      "name": "Assistant-ui - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Assistant-ui. Assistant-ui is a startup founded in 2024, operating in AI Chat Interface and Developer Tools. Open-source React library for building production-grade AI chat interfaces. Headquartered in San Francisco, United States.",
      "dateModified": "2026-07-30T06:00:12.286+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/assistant-ui#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/assistant-ui#organization",
      "name": "Assistant-ui",
      "url": "https://www.assistant-ui.com/",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/5a72b9ef-aa0a-489d-ac9f-df6b81aa48f5-square.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/5a72b9ef-aa0a-489d-ac9f-df6b81aa48f5-square.webp",
      "description": "This is the official profile of Assistant-ui. Assistant-ui is a startup founded in 2024, operating in AI Chat Interface and Developer Tools. Open-source React library for building production-grade AI chat interfaces. Headquartered in San Francisco, United States.",
      "sameAs": [
        "https://x.com/assistantui",
        "https://github.com/assistant-ui",
        "https://www.startuphub.ai/startups/assistant-ui"
      ],
      "foundingDate": "2024-01-01",
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "San Francisco",
        "addressCountry": "US"
      },
      "knowsAbout": [
        "AI Chat Interface",
        "Developer Tools",
        "Open Source",
        "React",
        "TypeScript",
        "Frontend Development",
        "Generative AI",
        "Agentic AI"
      ]
    }
  ]
}
```
