Programming Free

Langroid

Transparent Python framework for message-based multi-agent applications

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PricingFree
Starting price$0
Free planYes
Free trialNo
APIYes
Open sourceYes
DeploymentSelf Hosted
Last verifiedAugust 3, 2026
Overview

Tool overview

Langroid is listed under Programming AI tools.

Summary

What is Langroid?

Langroid is an MIT-licensed Python framework for building LLM applications as collaborating agents that exchange messages, use tools, retrieve documents, maintain state, and delegate work.

Best fit

Best for

Python developers who want explicit multi-agent orchestration

Audience

Who is it for?

AI developersPython engineersResearchersAgent-framework evaluators
Recommendation

Decision note

Rebuilt from the original export under the complete V412/V411 factual-source-verification workflow. Preview only. Apply remains blocked until Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0; explicit clears are reviewed; image import is disabled; a representative WordPress edit screen is compared with the export and proposed row; and a post-Apply zero-change Preview succeeds.

Capabilities

Key features

Message-based agents and hierarchical tasks

Tool calling, structured extraction, and RAG

Local and hosted model support

Logging, caching, human participation, and MCP

Workflows

Use cases

Build collaborative agent applications

Create document and database assistants

Run local-model multi-agent workflows

Prototype transparent task delegation

Strengths

Pros

  • Free and MIT licensed
  • Lightweight Python architecture
  • Broad model and vector-store support
Considerations

Limitations

The framework does not host models or guarantee agent correctness.

Production users must add evaluation, permissions, observability, and cost controls.

Cost

Pricing details

Pricing modelFree
Starting price$0
Free planYes
Free trialNo
Pricing context

Billing options

Free open-source softwareBring your own model provider
Pricing context

Pricing note

Langroid is free under MIT. Users pay only for model APIs and infrastructure they choose.

View official pricing
Compatibility

Supported programming languages

  • English
Connectivity

Integrations

OpenAI-compatible models

Local models

Qdrant

Chroma

LanceDB

MCP

Exa

Firecrawl

Specs

Technical details

PlatformsAPI
Multilingual supportUnknown
Login requiredNo
Open sourceYes
LicenseMIT
DeploymentSelf Hosted
CompanyLangroid Project
Current version0.62.0
Models / versionsOpenAI models Local and non-OpenAI models
Editions / plansLangroid Python package
Data confidenceHigh
Last verifiedAugust 3, 2026
Documentation → Source code → Release notes → Data source →
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Answers

Frequently asked questions

Langroid is an MIT-licensed Python framework for building LLM applications as collaborating agents that exchange messages, use tools, retrieve documents, maintain state, and delegate work.
Python developers who want explicit multi-agent orchestration
The listed pricing model for Langroid is free. Pricing can change, so users should verify the latest plan details on the official website.
The current profile does not indicate an available free trial. Check the official website before purchasing.
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