The best langgraphjs alternatives

mastra

mastra-ai/mastra

Mastra is the modern TypeScript framework for AI-powered applications and agents.

Choose mastra if…

• you want the more widely starred option (29.3k)
• you specifically need chatbots or evals

Shares agents, ai, llm, typescript with langgraphjs.

ai

TanStack/ai

🤖 Type-safe, provider-agnostic TypeScript AI SDK for streaming chat, tool calling, agents, and multimodal apps across OpenAI, Anthropic, Gemini, React, Vue, Svelte, and Solid.

Choose ai if…

• you specifically need ai-agents or ai-sdk

Shares ai, generative-ai, llm, typescript with langgraphjs.

CopilotKit

CopilotKit/CopilotKit

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Choose CopilotKit if…

• you want the more widely starred option (38.5k)
• you specifically need agent or agent-native

Shares agents, ai, llm, typescript with langgraphjs.

composio

ComposioHQ/composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

Choose composio if…

• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (30.9k)
• you specifically need agentic-ai or ai-agents

Shares agents, ai, llm, typescript with langgraphjs.

sim

simstudioai/sim

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

Choose sim if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (30.0k)
• you specifically need agent-workflow or agentic-workflow

Shares agents, ai, artificial-intelligence, typescript with langgraphjs.

rowboat

rowboatlabs/rowboat

Open-source AI coworker, with memory

Choose rowboat if…

• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (18.1k)
• you specifically need agents-sdk or ai-agents

Shares agents, ai, generative-ai, llm with langgraphjs.

holaOS

holaboss-ai/holaOS

Open-source agentic workspace enterprises can make their own. Connect the systems you already run — 100+ integrations, MCP, chat tools, apps, browser, local files — with shared memory. Any agent (Claude Code, Codex), any model, or BYOK. Set up in clicks, not months. Local-first: your data never leaves your machines.

Choose holaOS if…

• you want the more widely starred option (11.5k)
• you specifically need agent or agent-harness

Shares ai, artificial-intelligence, llm, typescript with langgraphjs.

ai

vercel/ai

The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

Choose ai if…

• you want the more widely starred option (27.7k)
• you specifically need anthropic or gemini

Shares artificial-intelligence, generative-ai, llm, typescript with langgraphjs.

haystack

deepset-ai/haystack

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

Choose haystack if…

• you would rather work in Python than TypeScript
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (26.9k)
• you specifically need agent-framework or agentic-ai

Shares agents, ai, generative-ai, llm with langgraphjs.

SuperAGI

TransformerOptimus/SuperAGI

<⚡️> SuperAGI - A dev-first open source autonomous AI agent framework. Enabling developers to build, manage & run useful autonomous agents quickly and reliably.

Choose SuperAGI if…

• you would rather work in Python than TypeScript
• you want the more widely starred option (17.7k)
• you specifically need agi or artificial-general-intelligence

Shares agents, ai, artificial-intelligence, llm with langgraphjs.

harness-sdk

strands-agents/harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

Choose harness-sdk if…

• you would rather work in Python than TypeScript
• Apache License 2.0 suits your use better than MIT License
• you want the more widely starred option (9.0k)
• you specifically need agent-framework or agentic

Shares agents, ai, generative-ai, llm with langgraphjs.

koog

JetBrains/koog

Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems

Choose koog if…

• you would rather work in Kotlin than TypeScript
• Apache License 2.0 suits your use better than MIT License
• you specifically need agentframework or agentic-ai

Shares agents, ai, generative-ai, llm with langgraphjs.