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Agents tracked: 378 Downloads (7d): 242M down 5.8% GitHub stars: 8.3M VS Code installs: 151M Releases (7d): 389 Agent status: 1 with issues Updated Oct 10, 2026

Copilot Sdk alternatives

Copilot Sdk by GitHub costs Free (OSS) and is open source. If you need something cheaper, open source, self-hosted or simply different, here are 10 alternatives that do the same job, ranked by how widely they are used, with the differences that matter.

10 Copilot Sdk alternatives, by popularity

  1. 1
    LangChain · LangChain · Frameworks
    Free (OSS)

    A framework for building LLM applications and agents from composable parts: model integrations, tools, retrievers and prebuilt agent abstractions. Available for Python and JavaScript.

    • Works with local models
    • More widely used (Gid Score 78 vs 23)
  2. 2
    LangGraph · LangChain · Frameworks
    Free (OSS)

    A low-level orchestration framework for building stateful agents as graphs, with durable execution, persistence and human-in-the-loop steps. Available for Python and JavaScript.

    • Works with local models
    • More widely used (Gid Score 70 vs 23)
  3. 3
    AI SDK · Vercel · Frameworks
    Free (OSS)

    Vercel's TypeScript toolkit for building AI applications and agents, with one API across model providers and UI helpers for streaming.

    • Works with local models
    • More widely used (Gid Score 68 vs 23)
    • Growing fast: usage up 34% in 30 days
  4. 4
    Strands Agents · AWS · Frameworks
    Free (OSS)

    An open-source SDK from AWS for building and controlling agents in Python and TypeScript.

    • Works with local models
    • More widely used (Gid Score 63 vs 23)
  5. 5
    Claude Agent SDK · Anthropic · Frameworks
    Free (OSS)

    Anthropic's SDK that exposes the agent loop, tools and context management behind Claude Code, for building custom agents in Python and TypeScript.

    • More widely used (Gid Score 62 vs 23)
  6. 6
    Mastra · Mastra · Frameworks
    Free (OSS)

    A TypeScript framework for building agents and AI workflows, with memory, evals, retrieval and observability built in.

    • Works with local models
    • More widely used (Gid Score 58 vs 23)
    • Growing fast: usage up 33% in 30 days
  7. 7
    Deep Agents · LangChain · Frameworks
    Free (OSS)

    A batteries-included agent harness built on LangGraph, with planning, a virtual file system and sub-agents for long-running tasks.

    • Works with local models
    • More widely used (Gid Score 58 vs 23)
  8. 8
    CopilotKit New · CopilotKit · Frameworks
    Free + $39/mo

    A full-stack SDK for agent-native application frontends with chat UI, generative UI, shared state and human-in-the-loop for React, Angular, Vue, React Native and chat channels; the team maintains the AG-UI protocol.

    • More widely used (Gid Score 57 vs 23)
  9. 9
    Cloudflare Agents SDK · Cloudflare · Frameworks
    Free (OSS)

    Cloudflare's SDK for building stateful agents that run on Workers and Durable Objects.

    • More widely used (Gid Score 56 vs 23)
    • Growing fast: usage up 37% in 30 days
  10. 10
    DSPy · Stanford NLP · Frameworks
    Free (OSS)

    A framework for programming language models with declarative modules and optimizers instead of hand-written prompts.

    • Works with local models
    • More widely used (Gid Score 55 vs 23)

Copilot Sdk vs alternatives at a glance

AgentPriceFree to startOpen sourceMCPLocal modelsGid Score
Copilot SdkFree (OSS) ✓✓ ? ? 23
LangChainFree (OSS) ✓✓ ✓ ✓ 78
LangGraphFree (OSS) ✓✓ ✓ ✓ 70
AI SDKFree (OSS) ✓✓ ✓ ✓ 68
Strands AgentsFree (OSS) ✓✓ ✓ ✓ 63
Claude Agent SDKFree (OSS) ✓✓ ✓ ? 62
MastraFree (OSS) ✓✓ ✓ ✓ 58
Deep AgentsFree (OSS) ✓✓ ✓ ✓ 58
CopilotKitFree + $39/mo ✓✓ ✓ ? 57
Cloudflare Agents SDKFree (OSS) ✓✓ ✓ ? 56
DSPyFree (OSS) ✓✓ ✓ ✓ 55

Prices from the vendors' pricing pages; features from official docs (“?” means not documented). Full feature comparison · All prices

How teams use these tools

FAQ

What is the best alternative to Copilot Sdk?

By usage, the closest alternative is LangChain, followed by LangGraph, AI SDK, Strands Agents.

Is there a free alternative to Copilot Sdk?

Yes. LangChain is free to start.

Is there an open-source alternative to Copilot Sdk?

Yes. LangChain is open source.

How do these Copilot Sdk alternatives compare on price?

LangChain: Free (OSS); LangGraph: Free (OSS); AI SDK: Free (OSS); Strands Agents: Free (OSS); Claude Agent SDK: Free (OSS); Mastra: Free (OSS).

Copilot Sdk: pricing, features and stats · All agent frameworks and SDKs · Find the right agent in 4 questions