Top 7 Tambo Competitors & Alternatives in 2025

Updated on 9/19/2025

Find more companies like Tambo. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.

Tambo

Best for SMBs

Open-source AI orchestration framework for React that streams AI-generated UI components, manages chat state, tool-calls, and offers both self-hosted and cloud hosting options.

Starts at $25 / monthly

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Competitors

#1

Assistant UI
Best for SMBs

An open-source TypeScript/React library of composable primitives and a hosted backend for building production AI chat interfaces and generative UI.

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#2

UI Kit AI
Best for SMBs

A professionally designed React component library and MCP server for building accessible, themeable UI components for AI-powered apps.

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#3

CUI Kit
Best for SMBs

Open-source React + Material Design component library focused on building production-ready AI chat interfaces with easy integration to model backends.

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#4

NLKit / NLUX
Best for SMBs

A JavaScript toolkit (NLKit) and NLUX React UI kit that provide adapters, runtime utilities, and UI primitives to embed conversational AI features in web apps.

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#5

Vercel
Best for SMBs
Est. 2015 • 201-1k employees

Cloud platform optimized for frontend and full‑stack apps (creator of Next.js) that provides instant deployments, edge CDN and team collaboration features.

Starts at $0 / month

Has a free trial

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#6

Rustic UI (Rustic AI)
Best for mid-market companies

An open-source frontend framework and component library for multimodal conversational interfaces and agent-driven UIs, built for production use and extensibility.

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#7

openv0
Best for power users

An open-source generative UI component framework that uses AI to generate and iterate React (and other framework) components with live preview and plugin pipelines.

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