LangChain vs Semantic Kernel — Features, Pricing & Reviews Compared

LangChain

framework

Semantic Kernel

framework

Pain: 3/10017 integrations6 features2,054,811 npm/wkSeries B

20 integrations4 features

Overview

What each tool does and who it's for

LangChain

LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.

LangChain is highly praised for its capability in building and managing AI agents, evidenced by its consistent top ratings on G2, often scoring 4.5 to 5 out of 5. Users appreciate its robust functionality but note potential issues with observability and data management when deploying in production environments. The pricing sentiment is not directly addressed in the user reviews or mentions, implying that pricing may not be a major concern for users. Overall, LangChain holds a solid reputation among AI developers, although there are some concerns about AI agents potentially causing data management issues without proper oversight.

Semantic Kernel

Find official documentation, practical know-how, and expert guidance for builders working and troubleshooting in Microsoft products.

Users appreciate "Semantic Kernel" for its integration capabilities with Microsoft products and its ability to enhance AI functionalities like reasoning and remembering. However, there are no explicit user complaints or detailed pricing sentiments available in the provided data. Overall, the software enjoys a positive reputation, especially in the context of Microsoft's broader AI and cloud ecosystem developments. The lack of direct feedback makes it difficult to determine detailed user sentiments on specific features or pricing.

Key Metrics

4.6★ (20)

Avg Rating

—

Mentions (30d)

131,755

GitHub Stars

27,906

21,716

GitHub Forks

4,600

2,054,811

npm Downloads/wk

—

236,288,352

PyPI Downloads/mo

—

Mention Velocity

How discussion volume is trending week-over-week

LangChain

-50% vs last week

Semantic Kernel

-80% vs last week

Where People Discuss

Mention distribution across platforms

LangChain

76%

YouTube

Hacker News

Dev.to

GitHub

Rss

Semantic Kernel

Twitter/X

88%

YouTube

Community Sentiment

How developers feel about each tool based on mentions and reviews

LangChain

9% positive89% neutral2% negative

Semantic Kernel

4% positive95% neutral1% negative

Pricing

LangChain

usage-based + subscription + contract + per-seat + tieredFree tier

Pricing found: $0 / seat, $39 / seat, $39, $0.005 / deployment, $0.0007 / min

Semantic Kernel

tiered

Use Cases

When to use each tool

LangChain (8)

Building autonomous AI agentsCreating multi-agent systems for complex tasksImplementing real-time monitoring and observability for agentsDeveloping no-code agent builders for non-technical usersIntegrating AI agents into existing enterprise workflowsTesting and debugging AI agents in production environmentsScaling agent deployment across multiple teamsUtilizing agent evaluation tools for performance assessment

Semantic Kernel (10)

Creating custom agents for user inquiriesProviding troubleshooting documentation for Microsoft productsFacilitating Q&A sessions in developer communitiesOffering interactive lessons for technical skill developmentDelivering virtual training sessions for various technologiesSupporting certification preparation for Microsoft credentialsConnecting developers and startups through Microsoft ReactorSearching for in-depth articles on Microsoft developer toolsAdvancing technical careers with verified credentialsBuilding knowledge through scenario-based learning

Features

Only in LangChain (6)

LangSmith Agent Engineering PlatformUnderstand exactly what your agent is doingUse real-world usage for iterative improvementShip and scale agents in productionAgents for the whole companyBuild with our open source frameworks

Only in Semantic Kernel (4)

Microsoft 2026Discover AI, Azure, and Copilot essentialsTake in-demand trainingAdditional resources

Integrations

Shared (1)

GitHub

Only in LangChain (16)

OpenAIAWS LambdaGoogle Cloud PlatformMicrosoft AzureSlackZapierTwilioSalesforceJiraNotionTrelloAsanaTableauPower BIDatadogPrometheus

Only in Semantic Kernel (19)

Microsoft LearnAzureMicrosoft 365Microsoft Dynamics 365Visual StudioMicrosoft Power PlatformMicrosoft EntraMicrosoft EdgeSQL ServerASP.NETSystem CenterSurface HubInternet Information ServicesHost Integration ServerEndpoint managementSales in Microsoft 365 CopilotPrevious versions of Microsoft productsDiscover AIMicrosoft 2026

Developer Ecosystem

232

GitHub Repos

7,713

17,647

GitHub Followers

116,169

npm Packages

HuggingFace Models

What Users Say

Top reviews from G2, Capterra, and TrustRadius

LangChain

What do you like best about Langchain?Out of the box features that it provides to manage and monitor llm based applications Review collected by and hosted on G2.com.What do you dislike about Langchain?Nothing in general, folks with no experience can get lost in the myriads of features it offers Review collected by and hosted on G2.com.

5.0\u2605Verified User in Telecommunicationsg2

What do you like best about Langchain?This framework is useful for building generative AI applications, especially when you need to utilize large language models, vector databases, retrieval mechanisms, and track the entire execution process. Review collected by and hosted on G2.com.What do you dislike about Langchain?Nothing, it has only evolved to enable developers like us to develop robust applications Review collected by and hosted on G2.com.

5.0\u2605Verified User in Financial Servicesg2

What do you like best about Langchain?The platform is easy to use, even if you only have a basic understanding of AI concepts. I found that navigating the features didn't require advanced technical knowledge, which made the experience straightforward and accessible. Review collected by and hosted on G2.com.What do you dislike about Langchain?Sometimes, other frameworks appear to be simpler. Review collected by and hosted on G2.com.

5.0\u2605Mirian P.g2

Semantic Kernel

No reviews yet

Pain Points

Top complaints from reviews and social mentions

LangChain