Open SWE is an open-source framework for building and deploying internal coding agents, leveraging Deep Agents and LangGraph to enhance developer productivity through intelligent automation.
Last Updated Nov 10, 2026
About
Open SWE is an open-source internal coding agent framework designed for modern software development teams. Built on Deep Agents and LangGraph, it provides developers with a highly extensible and flexible set of core architectural components for building and deploying intelligent coding agents. Whether automating code reviews, assisting with feature development, or tackling complex codebase maintenance tasks, Open SWE significantly boosts team efficiency and reduces the burden of repetitive work.
Key Features
Intelligent Code Generation and Completion: Leveraging the deep learning capabilities of Deep Agents, it supports context-aware code generation, helping developers quickly write functions, modules, or even complete logic.
Multi-Step Task Orchestration: Using LangGraph's graph-based workflow engine, it breaks down complex coding tasks into multiple sub-steps and automatically coordinates execution order and dependencies.
Codebase Understanding and Navigation: Automatically analyzes project structure, identifies code patterns, and supports natural language queries and navigation of the codebase.
Pluggable Agent Components: Provides a modular agent architecture, allowing developers to freely replace or extend specific functional modules based on project needs.
Integration with Existing Toolchains: Seamlessly integrates with Git, CI/CD pipelines, code review tools, and popular IDEs, ensuring smooth adoption into existing workflows.
Pricing & Fees
- Pricing: Open SWE itself is an open-source framework released for free by LangChain; there is no separate paid plan for the framework.
- Open-source license: The code is publicly available and can be self-hosted and customized, so organizations avoid per-seat fees for the framework itself.
- Related platform costs: Open SWE is built on Deep Agents and LangGraph (also open source), but teams using LangSmith for observability pay separately — LangSmith starts at $0/seat (Developer, up to 5k base traces/month) and $39/seat per month (Plus, up to 10k base traces/month), with Enterprise at custom pricing.
- Pay-as-you-go usage: LangSmith charges are usage-based beyond included traces, metered in LangChain Standard Units (LSU) at $1.00 per LSU.
Who It's For
- Software Engineers and Developers: Professionals seeking to accelerate daily coding and reduce repetitive work with intelligent agents.
- Tech Leads and Architects: Decision-makers looking to introduce automation tools to enhance overall development efficiency and code quality.
- DevOps and Platform Engineering Teams: Engineers responsible for building internal developer platforms and wishing to integrate intelligent coding agents to enhance platform capabilities.
- Open Source Contributors and Researchers: Enthusiasts and scholars interested in intelligent coding agent technology, who want to participate in framework improvements or secondary development.
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