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Eino

Free#24 of 49 in LLM Application Development Frameworks

Eino: Typed orchestration and agent building blocks for teams developing LLM apps in Go. Ranked #24 of 49 in LLM Application Development Frameworks by our editors (7.0/10); pricing: Free plan; best for go teams building typed agent workflows.

7.0/10Editor score
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At a glance

  • Editor score
    7.0 / 10
  • Pricing
    Free plan
  • Best for
    Go teams building typed agent workflows
  • Free plan
    Yes
  • Paid from
    None
  • RAG support
    Yes
  • Facts checked
    28 Sep 2026

  • Where it wins

    • Combines model, embedding, retriever and tool component abstractions.
    • Supports graph validation, streaming and interrupt/resume checkpoints.
    • Includes ReAct and multi-agent integrations with tracing hooks.

  • Where it doesn't

    • Go-focused framework, not a hosted application platform.
    • Integration list is limited to OpenAI, Gemini, Claude, Langfuse and APMPlus.
    • Support channels are community and documentation.

Our verdict on Eino

Eino is an open-source Go framework for developing LLM applications, aimed at teams that want reusable components and typed orchestration in their own applications. It covers chat models, embeddings, retrievers and tools, then provides chain, graph and workflow patterns for composing them. ReAct and multi-agent integrations support agent workflows, while tool calling and execution flows connect model interactions to tools. Its Go focus makes it most relevant to Go teams; developers seeking a hosted, language-neutral builder should look elsewhere.

The framework’s standout strength is its orchestration layer. Typed graph compilation and validation give teams a way to define and check graph workflows, while streaming primitives handle incremental model output. Callbacks and tracing hooks provide observability extension points, and checkpoints support interrupting and resuming a workflow. These features suit applications where model calls, tool execution and workflow state need to be composed explicitly rather than assembled through a hosted visual interface.

Eino is distributed as source code and is self-hosted, with no subscription tier to compare. The listed integrations are OpenAI, Gemini and Claude for model providers, plus Langfuse and APMPlus. Documentation and community are the stated support channels, so teams should be prepared to work within that model. Choose Eino if Go, typed graphs and agent workflows fit your stack; consider an alternative if you need a hosted deployment, a JavaScript SDK or a broader listed integration ecosystem.

Eino pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on cloudwego.io

Eino fact sheet

Free planYes
Paid fromNone
Primary languageMulti-language
RAG supportYes
Agent and tool useYes
Workflow graphsYes
Prompt optimizationNot verified
Open-source licenseApache-2.0
JavaScript/TypeScript SDKNo
DeploymentSelf-hosted
PlatformsLinux
SupportCommunity, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
Integrations5 integrations: OpenAI, Gemini, Claude, Langfuse, APMPlus
PricingFree plan
Websitecloudwego.io
Facts checked28 Sep 2026

Eino integrations

Eino lists 5 integrations on its own site.

  • OpenAI
  • Gemini
  • Claude
  • Langfuse
  • APMPlus

Alternatives to Eino

See all Eino alternatives →

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Featured on iTechGuides

Featured on iTechGuides — Eino 7.0/10

Eino is listed in our LLM Application Development Frameworks directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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