Langflow vs Parlant

Langflow significantly outpaces Parlant in community adoption with 156,432 stars compared to 18,325 stars on GitHub. This 8.5x difference suggests Langflow has a much larger and more active community. In terms of developer contributions, Langflow has 10,356 forks, indicating strong developer engagement.

Langflow is growing faster, adding 999 stars in the last 30 days (+0.6%) against adding 27 stars for Parlant (+0.1%). Langflow is both larger and pulling further ahead.

Both projects show recent activity, with Langflow last updated 11 hours ago and Parlant 17 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python. However, they differ in their additional technology choices: Parlant leverages SCSS.

Langflow has been in development longer, starting 4 years ago, compared to Parlant which began 3 years ago. This 1.0-year head start suggests Langflow may have more mature features and established processes.

Langflow uses the MIT license, which is more permissive than Parlant's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Both tools serve similar use cases in AI Agent Platforms. However, they also have distinct specializations: Langflow also focuses on Low-Code/No-Code, LLM Application Frameworks while Parlant extends into AI Chat Interfaces, Chatbot Platforms.

Langflow provides self-hosting options for complete data control and customization, while Parlant may be primarily cloud-based or require different deployment approaches.