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Alternatives to CopilotKit

30 tools that compete with or replace CopilotKit. Ranked by direct product-type match — not generic category overlap.

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Reachat

Reachat

Open-source React UI components for building LLM chat interfaces.

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Microsoft Agent Framework

Microsoft Agent Framework

Microsoft's framework for building production-grade agentic AI on Azure, now with a Go SDK option.

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Genkit

Genkit

Google's open-source framework for building full-stack AI apps with multi-provider APIs

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Tambo

Tambo

Open-source generative UI SDK for React – build agents that speak your UI

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GitLab Duo

GitLab Duo

Agentic AI platform for the entire DevSecOps lifecycle in GitLab.

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DB-GPT

DB-GPT

Open-source agentic AI data assistant for SQL, code, and reports

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Mirascope

Mirascope

Open-source Python decorator library for building LLM apps with minimal abstraction and built-in observability.

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OpenAI Agents SDK

OpenAI Agents SDK

Open-source Python SDK for building multi-agent workflows with handoffs, guardrails, and voice.

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AutoGen

AutoGen

Open-source framework for building multi-agent AI workflows.

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Mastra

Mastra

TypeScript framework for building production AI agents with built-in observability.

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Semantic Kernel

Semantic Kernel

Microsoft's open-source SDK for building production-grade AI agents with plugins and orchestration.

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Boundary ML

Boundary ML

Open-source programming language for building type-safe AI agents.

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sunpeak

sunpeak

Open-source MCP App framework for building and testing ChatGPT & Claude apps.

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Openui

Openui

Open-source streaming-first generative UI framework for AI agents

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AI Toolkit

AI Toolkit

SDK for building document-aware AI editors with reviewable, controlled edits

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Open Harness

Open Harness

Code-first open-source SDK for building AI agents with full control.

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Langchain4j

Langchain4j

Open-source Java library for building LLM-powered apps with unified API

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Stirrup

Stirrup

Lightweight open-source Python framework for building customizable AI agents

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Harness Sdk

Harness Sdk

Open-source SDK for building production AI agents in Python & TypeScript.

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Marvin

Marvin

Marvin is an open-source Python framework that turns ordinary functions into AI-powered tools via simple decorators.

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Zhipu GLM

Zhipu GLM

Chinese enterprise AI platform with open-source GLM models, MaaS APIs, and autonomous agents

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MetaGPT

MetaGPT

Assign roles to GPTs to build software collaboratively with MetaGPT's open-source framework.

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Future AGI

Future AGI

Build self-improving AI agents that hallucinate less.

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Imbue

Imbue

Open tools for loyal, auditable AI agents you control

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Inngest

Inngest

Durable execution and AI agent orchestration with zero infrastructure.

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Pipedream

Pipedream

Developer platform for connecting APIs, AI, and databases in workflows and agents.

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Tessl

Tessl

Enterprise control plane for the full agent skill lifecycle.

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SmolAgents

SmolAgents

Hugging Face's minimal Python library for code-writing AI agents

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Kore.ai

Kore.ai

Enterprise AI platform for compliant multi-agent orchestration.

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Vercel AI SDK

Vercel AI SDK

Build production-grade AI apps in TypeScript with streaming, multi-provider support & fallbacks

FreemiumTry
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