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Alternatives to Deep Agents

Deep Agents is an agent framework by LangChain: Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls. If it doesn't fit your setup, these 12 agent frameworks cover similar ground. They are ordered by how closely they match Deep Agents and by our rank, which weighs adoption, freshness and documentation; money never changes the order. Pi Agent Core leads the list (more GitHub stars (117.6K)). Each entry shows data reasons to switch, and you can open a side-by-side comparison with Deep Agents.

Updated Oct 26, 2026 · Built from catalog data; how we rank and grade

You're replacing

Deep Agents

Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.

12 alternatives

Ordered by how closely each matches Deep Agents (shared product, category or stated alternative) and by rank.

  1. 1
    Pi Agent Core

    Earendil

    Minimal TypeScript agent harness with an agent runtime, multi-provider LLM API, terminal UI and coding agent CLI that users extend themselves.

    • More GitHub stars (117.6K)

    ★ 117.6K↓ 5.1M/wkLast active Oct 24, 2026Compare →

  2. 2
    LlamaIndex

    LlamaIndex

    Open-source Python toolkit for RAG and agents over your own data, with event-driven workflows and 300+ integration packages.

    • 52.6K GitHub stars
    • Active in the last 30 days

    ★ 52.6K↓ 1.4M/wkLast active Oct 14, 2026Compare →

  3. 3
    CopilotKit

    CopilotKit

    Open-source SDK that connects AI agents to app front ends with chat UI, generative UI, shared state and human approvals; creator of the AG-UI protocol.

    • 38.2K GitHub stars
    • Active in the last 30 days

    ★ 38.2K↓ 286.2K/wkLast active Oct 24, 2026Compare →

  4. 4
    Letta

    Letta

    Open-source agent harness for stateful agents whose memory persists and improves with use, with a terminal UI, app server and TypeScript SDK.

    • 25.2K GitHub stars
    • Active in the last 30 days

    ★ 25.2K↓ 40.7K/wkLast active Oct 18, 2026Compare →

  5. 5
    trueforge

    truefoundry

    Open-source agent harness that runs the model loop for you, with MCP tools, skills, sandboxing, approvals and a chat UI.

    • 6.4K GitHub stars
    • Active in the last 30 days

    ★ 6.4KLast active Oct 24, 2026

  6. 6
    ai

    TanStack

    TypeScript SDK for streaming chat, tool-calling agents and structured output across model providers and UI frameworks.

    • 3.2K GitHub stars
    • Active in the last 30 days

    ★ 3.2KLast active Oct 24, 2026

  7. 7
    LangChain

    LangChain

    Python framework of interoperable components and integrations for building agents and LLM apps, with LangGraph and Deep Agents layered above it.

    • More GitHub stars (148.4K)

    ★ 148.4K↓ 37.3M/wkLast active Oct 24, 2026

  8. 8
    CrewAI

    CrewAI

    Open-source Python framework for multi-agent workflows, with role-based Crews and event-driven Flows.

    • 60.1K GitHub stars
    • Active in the last 30 days

    ★ 60.1K↓ 644.6K/wkLast active Oct 24, 2026Compare →

  9. 9
    Vercel AI SDK

    Vercel

    TypeScript toolkit for AI apps and agents with a unified provider API, streaming, UI hooks and a wrapper for running established agent harnesses.

    • 27.5K GitHub stars
    • Active in the last 30 days

    ★ 27.5KLast active Oct 23, 2026

  10. 10
    LangGraph.js

    LangChain

    Open-source agent harness from LangChain for building agents with code, with LangSmith for testing and monitoring.

    • 3.4K GitHub stars
    • Active in the last 30 days

    ★ 3.4K↓ 2.3M/wkLast active Oct 22, 2026

  11. 11
    Claude Agent SDK (TypeScript)

    Anthropic

    TypeScript SDK that gives programs Claude Code's built-in tools for reading, editing and running code, installed from npm.

    • 1.8K GitHub stars
    • Active in the last 30 days

    ★ 1.8K↓ 8.1M/wkLast active Oct 23, 2026Compare →

  12. 12
    trigger.dev

    triggerdotdev

    TypeScript platform to build and deploy long-running AI agents and workflows with retries, queues and human approval steps.

    • Supports JavaScript

    ★ 16.6KLast active Oct 24, 2026

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