Comparison
langchain vs mastra
Verdict
Pick langchain if langChain is an open-source platform designed specifically for building agents and applications that leverage large language models (LLMs). It provides a standard framework to develop interoperable components and connect; pick mastra if mastra is a modern TypeScript framework tailored specifically for building AI-powered applications and agents, supporting technologies like chatbots, language models, and TTS.
Markdown twin · langchain alternatives · mastra alternatives
GraphCanon updated 5d
vs
Trust & integrity
| Signal | langchain | mastra |
|---|---|---|
| Maintenance | Very active (0d since push) As of 2w · github_public_v1 | Very active (0d since push) As of 5d · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Organization account As of 5d · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- langchain
- The agent engineering platform.
- mastra
- Modern TypeScript framework for AI-powered applications and agents
Stars
- langchain
- 144k
- mastra
- 27k
Forks
- langchain
- 24k
- mastra
- 2.6k
Open issues
- langchain
- 463
- mastra
- 469
Language
- langchain
- Python
- mastra
- TypeScript
Adopt for
- langchain
- LangChain is an open-source platform designed specifically for building agents and applications that leverage large language models (LLMs). It provides a standard framework to develop interoperable components and connect
- mastra
- Mastra is a modern TypeScript framework tailored specifically for building AI-powered applications and agents, supporting technologies like chatbots, language models, and TTS.
Persona
- langchain
- -
- mastra
- -
Runtime
- langchain
- -
- mastra
- -
License
- langchain
- MIT License, allowing free use for both personal and commercial purposes under its stipulated terms.
- mastra
- Mastra operates under a dual-license model with its core components licensed under Apache-2.0 and enterprise-exclusive features under the proprietary Mastra Enterprise License.
Last pushed
- langchain
- Aug 7, 2026
- mastra
- Aug 16, 2026
Categories
- langchain
- AI Agents, LLM Frameworks
- mastra
- AI Agents, Evaluation & Observability, LLM Frameworks, Speech & Audio
Trust and health
Open issues (now)
- langchain
- 463
- mastra
- 469
Stars delta
- langchain
- +2.3k (30d)
- mastra
- +954 (30d)
Open issues delta
- langchain
- +57 (30d)
- mastra
- +66 (30d)
Full report
- langchain
- Trust report
- mastra
- Trust report
Typed relationship
langchain integrates mastraMastra can integrate with LangChain, as both are used to build AI applications and agents, potentially leveraging one another's functionalities for broader capabilities.
Choose langchain if…
- langchain is primarily Python; mastra is TypeScript.
- License: langchain is MIT, mastra is Other.
- Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI..
- Mastra can integrate with LangChain, as both are used to build AI applications and agents, potentially leveraging one another's functionalities for broader capabilities.
- Tags unique to langchain: ai-agents, anthropic, chatgpt, deepagents.
- * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations.
When NOT to use langchain
- * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity.
- * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth
- * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework.
Choose mastra if…
- mastra is primarily TypeScript; langchain is Python.
- License: mastra is Other, langchain is MIT.
- Pricing: Free for open-source Apache-licensed portions; Mastra Enterprise License subscription required for full feature access..
- Requirements: Project must be developed in TypeScript.; JavaScript and TypeScript ecosystems (Node.js, NextJS) are prerequisites for leveraging Mastra's integrations fully..
- Mastra can integrate with LangChain, as both are used to build AI applications and agents, potentially leveraging one another's functionalities for broader capabilities.
- Tags unique to mastra: ai, chatbots, evals, javascript.
- Also covers Evaluation & Observability, Speech & Audio.
- You should use Mastra when you are developing AI-driven applications or bots that require integration with technologies such as text-to-speech (TTS) or complex chatbot functionalities.
When NOT to use mastra
- Mastra may not be suitable if your application does not require TypeScript and prefers simpler setup or non-TypeScript environments.
- Avoid using Mastra if enterprise-level features or a dual-license model do not align with your project’s requirements or budget, especially when cost-free, fully open-source alternatives exist that
- If you are working on smaller projects where the overhead of a comprehensive framework like Mastra overwhelms the available resources or the scope of work is minimal, consider lighter-weight solutions
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (langchain-ai/langchain) · observed Aug 7, 2026
- GitHub forks (langchain-ai/langchain) · observed Aug 7, 2026
- Last push (langchain-ai/langchain) · observed Aug 7, 2026
- License file (MIT) · observed Aug 7, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (mastra-ai/mastra) · observed Aug 16, 2026
- GitHub forks (mastra-ai/mastra) · observed Aug 16, 2026
- Last push (mastra-ai/mastra) · observed Aug 16, 2026
- License file (Other) · observed Aug 16, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: langchain 144k · mastra 27k (synced Aug 7, 2026).
Common questions
- What is the difference between langchain and mastra?
- langchain: The agent engineering platform.. mastra: Modern TypeScript framework for AI-powered applications and agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose langchain over mastra?
- Choose langchain over mastra when langchain is primarily Python; mastra is TypeScript; License: langchain is MIT, mastra is Other; Pricing: LangChain itself is open-source and free to use. However, it might rely on paid services or premium models from external platforms like OpenAI.; Mastra can integrate with LangChain, as both are used to build AI applications and agents, potentially leveraging one another's functionalities for broader capabilities; Tags unique to langchain: ai-agents, anthropic, chatgpt, deepagents; * When aiming to build complex AI-powered agents or applications requiring high-level capabilities like planning, subagent interaction, and file system operations.
- When should I choose mastra over langchain?
- Choose mastra over langchain when mastra is primarily TypeScript; langchain is Python; License: mastra is Other, langchain is MIT; Pricing: Free for open-source Apache-licensed portions; Mastra Enterprise License subscription required for full feature access.; Requirements: Project must be developed in TypeScript.; JavaScript and TypeScript ecosystems (Node.js, NextJS) are prerequisites for leveraging Mastra's integrations fully.; Mastra can integrate with LangChain, as both are used to build AI applications and agents, potentially leveraging one another's functionalities for broader capabilities; Tags unique to mastra: ai, chatbots, evals, javascript; Also covers Evaluation & Observability, Speech & Audio; You should use Mastra when you are developing AI-driven applications or bots that require integration with technologies such as text-to-speech (TTS) or complex chatbot functionalities.
- When should I avoid langchain?
- * When working on smaller, less complex projects where full-scale integration with sophisticated components is not necessary as LangChain's extensive features might introduce unnecessary complexity. * If you are primarily focused on JavaScript or TypeScript development as the primary focus of LangChain is Python. Although there is a JS/TS equivalent (LangChain.js), it may not offer the same depth * For projects requiring heavy customization at lower levels, where a more granular control over individual components is required rather than working with an integrated framework.
- When should I avoid mastra?
- Mastra may not be suitable if your application does not require TypeScript and prefers simpler setup or non-TypeScript environments. Avoid using Mastra if enterprise-level features or a dual-license model do not align with your project’s requirements or budget, especially when cost-free, fully open-source alternatives exist that If you are working on smaller projects where the overhead of a comprehensive framework like Mastra overwhelms the available resources or the scope of work is minimal, consider lighter-weight solutions
- Is langchain or mastra more popular on GitHub?
- langchain has more GitHub stars (143,615 vs 27,229). Stars measure visibility, not whether either tool fits your constraints.
- Are langchain and mastra open source?
- Yes - both are open-source projects on GitHub (langchain: MIT, mastra: Other).
- Where can I find alternatives to langchain or mastra?
- GraphCanon lists graph-backed alternatives at langchain alternatives and mastra alternatives (langchain markdown twin, mastra markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, langchain or mastra?
- langchain: Very active. mastra: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for langchain and mastra?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: langchain trust report; mastra trust report.