Top 9 LangChain Competitors & Alternatives in 2026
Updated onFind more companies/brands/products like LangChain. We've shortlisted leading alternatives and mapped their strengths, pricing, and go-to-market focus.
LangChain
A widely-adopted, developer-focused framework for building LLM-powered applications, agents, and chains with rich integrations and observability tooling.
Competitors
#1LlamaIndex
Best for enterprisesA flexible data-centric framework for retrieval-augmented generation and building agentic applications that connect LLMs to structured and unstructured data sources.
#2Haystack (deepset)
Best for enterprisesAn open-source, production-grade orchestration framework for building modular LLM pipelines, RAG systems, and agentic applications with enterprise support options.
#3Est. 2018 • 1k+ employees • Public (NASDAQ:MSFT)Microsoft Learn
Best for power usersMicrosoft Learn is Microsoft’s free online documentation and technical skilling platform offering product docs, interactive training, credentials, Q&A, and community resources for Microsoft technologies.
Starts at $0
#4Est. 2023 • 2-10 employees • PrivateCrewAI
Best for enterprisesCrewAI is a San Francisco–based company that provides an open-source multi-agent framework and an enterprise Agent Management Platform for building, deploying, and managing collaborative AI agents at scale.
Starts at $0 / per month / month
#5Est. 2022 • 11-50 employees • PrivateDSPy
Best for power usersDSPy is an open-source declarative framework for programming and optimizing modular language-model-based AI applications.
Starts at $0
Est. 2025 • 1 employee • PrivateChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.
Starts at $39 / month
Has a free trial
#6Est. 2023 • 2-10 employees • Public (NASDAQ:WDAY)Flowise
Best for SMBsFlowise is an open-source generative AI development platform and cloud service for visually building AI agents, chatbots, and complex LLM workflows using a low-code interface.
Starts at $0 / month
Has a free trial
#7Est. 2020 • 11-50 employees • PrivateHumanloop
Best for enterprisesHumanloop is a privately held AI software company founded in 2020 that built an enterprise LLM evaluation, prompt management, and observability platform to help product teams safely develop and deploy AI applications, and whose team joined Anthropic in 2025.
Starts at $0 / month
Has a free trial
#8Est. 2017 • 201-1k employees • Public (NASDAQ:CRWV)Weights & Biases
Best for enterprisesFounded in 2017, Weights & Biases is an AI developer platform that helps teams build, train, and monitor machine-learning models and applications with experiment tracking, model and dataset versioning, evaluations, and enterprise-ready deployment options.
Starts at $0 / month
Has a free trial
Market overlap
Asymmetric competition means that LangChain is a competitor of these companies, but they are not necessarily competitors of LangChain.
GraphBit
Best for enterprisesA high-performance, developer-first AI agent framework with a Rust core and Python bindings for building reliable, enterprise-grade agent workflows.
Est. 2025 • 2-10 employees • PrivatePromptius
Best for SMBsA no-code/low-code platform for building and deploying production-grade autonomous AI agents from natural-language prompts.
- Est. 2025 • 1 employee • Private
ChampSignal
Best for SMBsGet the insights your competitors don't want you to have. ChampSignal discovers, monitors, and analyzes your competitors. Like having a full-time competitive intelligence analyst.
Starts at $39 / month
Has a free trial
Est. 2024 • 11-50 employees • PrivateMCP360
Best for SMBsMCP360 is a unified Model Context Protocol (MCP) gateway that gives AI agents instant access to 100+ tools through a single integration and account.
Starts at $0 / month
Est. 2025 • 2-10 employees • PrivateTasklet AI
Best for SMBsTasklet AI appears to be a newly-registered AI productivity startup operating at the domain tasklet.ai, offering task/agent-style automation tools though public company details and pricing are not published.
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