Which is more popular, LangChain Go or Mastra?

Mastra has more GitHub stars (28,525 vs 9,709).

Which is more actively developed, LangChain Go or Mastra?

Mastra had more commits in the last 90 days (4,109 vs 0).

Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.

Side-by-side comparison of two AI agent tools

LangChain Go has had no commit in 8 months; Mastra is actively maintained (4,109 commits in the last 90 days).
Mastra is growing faster: +968 GitHub stars in the last 30 days vs +117 for LangChain Go.
Pick LangChain Go for: langChain for Go, the easiest way to write LLM-based programs in Go. Pick Mastra for: from the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents.

From GitHub data refreshed daily.

LangChain for Go, the easiest way to write LLM-based programs in Go

From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScript stack.

+Native Go implementation with idiomatic patterns and no Python dependencies
+Multi-provider support with consistent API across OpenAI, Gemini, Ollama and other LLM services
+Strong community and documentation including Discord support, comprehensive docs site, and API reference

-Smaller ecosystem compared to the Python LangChain with fewer community plugins and extensions
-Go-specific limitation reduces cross-team collaboration in polyglot environments
-Less mature feature set compared to the original Python implementation

•Go-based web services and APIs that need to integrate ChatGPT-like completion functionality
•Enterprise Go applications requiring LLM capabilities while maintaining existing Go infrastructure
•Building chatbots and conversational interfaces within Go microservices architectures

Which is more popular, LangChain Go or Mastra?: Mastra has more GitHub stars (28,525 vs 9,709).
Which is more actively developed, LangChain Go or Mastra?: Mastra had more commits in the last 90 days (4,109 vs 0).
Should I use LangChain Go or Mastra?: Compare their capabilities, limitations and "best for" notes above. Trying each on a small task is the fastest way to decide.