--- title: "langchain-decorators vs langchain-hs" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/ju-bezdek-langchain-decorators-vs-tusharad-langchain-hs" tools: ["ju-bezdek-langchain-decorators", "tusharad-langchain-hs"] --- # langchain-decorators vs langchain-hs *GraphCanon updated Aug 8, 2026* ## Verdict Pick langchain-decorators if langchain-decorators: syntax enhancer for better LangChain prompt engineering; pick langchain-hs if langChain-HS offers a unique implementation in Haskell, bringing functional programming paradigms to AI development. [langchain-decorators](https://github.com/ju-bezdek/langchain-decorators) reports 233 GitHub stars, 12 forks, and 6 open issues, last pushed Apr 18, 2026. [langchain-hs](https://tusharad.github.io/langchain-hs/) has 52 stars, 7 forks, and 4 open issues, last pushed Aug 7, 2026. Figures are from public GitHub metadata via [langchain-decorators's repository](https://github.com/ju-bezdek/langchain-decorators) and [langchain-hs's repository](https://github.com/tusharad/langchain-hs). | | [langchain-decorators](/tools/ju-bezdek-langchain-decorators.md) | [langchain-hs](/tools/tusharad-langchain-hs.md) | | --- | --- | --- | | Tagline | syntactic sugar for langchain | Haskell implementation of LangChain | | Stars | 233 | 52 | | Forks | 12 | 7 | | Open issues | 6 | 4 | | Language | Python | Haskell | | Adopt for | langchain-decorators: syntax enhancer for better LangChain prompt engineering. | LangChain-HS offers a unique implementation in Haskell, bringing functional programming paradigms to AI development. | | Persona | - | - | | Runtime | - | - | | License | MIT | MIT | | Categories | Developer Tools, LLM Frameworks | Developer Tools, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [langchain-decorators](/tools/ju-bezdek-langchain-decorators.md) | [langchain-hs](/tools/tusharad-langchain-hs.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Very active (96%) | | Days since push | 111d | 0d | | Open issues (now) | 6 | 4 | | Full report | [trust report](/tools/ju-bezdek-langchain-decorators/trust.md) | [trust report](/tools/tusharad-langchain-hs/trust.md) | ## Decision facts: langchain-decorators - **Adopt for:** langchain-decorators: syntax enhancer for better LangChain prompt engineering. ## Decision facts: langchain-hs - **Adopt for:** LangChain-HS offers a unique implementation in Haskell, bringing functional programming paradigms to AI development. ## Choose when ### Choose langchain-decorators if… - langchain-decorators is primarily Python; langchain-hs is Haskell. - Tags unique to langchain-decorators: llm, prompt-engineering. - Also covers LLM Frameworks. - Wants to streamline and simplify prompt engineering with LangChain. ### Choose langchain-hs if… - langchain-hs is primarily Haskell; langchain-decorators is Python. - Tags unique to langchain-hs: ai development library, functional programming, haskell. - Also covers Model Training. - You require a robust AI functionality with a preference or need for functional programming approaches ## When NOT to use langchain-decorators - Needs tools without the added layer of abstraction decorators provide. - Seeks lower-level control over each function call without syntactic sugar. ## When NOT to use langchain-hs - When your team lacks experience with functional programming as Haskell requires a different mindset compared to imperative languages. - If performance optimization is the top priority, given that Haskell might not match the speed of languages like Python in all scenarios. ## Common questions ### What is the difference between langchain-decorators and langchain-hs? langchain-decorators: syntactic sugar for langchain. langchain-hs: Haskell implementation of LangChain. See the comparison table for live GitHub stats and shared categories. ### When should I choose langchain-decorators over langchain-hs? Choose langchain-decorators over langchain-hs when langchain-decorators is primarily Python; langchain-hs is Haskell; Tags unique to langchain-decorators: llm, prompt-engineering; Also covers LLM Frameworks; Wants to streamline and simplify prompt engineering with LangChain. ### When should I choose langchain-hs over langchain-decorators? Choose langchain-hs over langchain-decorators when langchain-hs is primarily Haskell; langchain-decorators is Python; Tags unique to langchain-hs: ai development library, functional programming, haskell; Also covers Model Training; You require a robust AI functionality with a preference or need for functional programming approaches. ### When should I avoid langchain-decorators? Needs tools without the added layer of abstraction decorators provide. Seeks lower-level control over each function call without syntactic sugar. ### When should I avoid langchain-hs? When your team lacks experience with functional programming as Haskell requires a different mindset compared to imperative languages. If performance optimization is the top priority, given that Haskell might not match the speed of languages like Python in all scenarios. ### Is langchain-decorators or langchain-hs more popular on GitHub? langchain-decorators has more GitHub stars (233 vs 52). Stars measure visibility, not whether either tool fits your constraints. ### Are langchain-decorators and langchain-hs open source? Yes - both are open-source projects on GitHub (langchain-decorators: MIT, langchain-hs: MIT). ### Where can I find alternatives to langchain-decorators or langchain-hs? GraphCanon lists graph-backed alternatives at [langchain-decorators alternatives](/tools/ju-bezdek-langchain-decorators/alternatives) and [langchain-hs alternatives](/tools/tusharad-langchain-hs/alternatives) ([langchain-decorators markdown twin](/tools/ju-bezdek-langchain-decorators/alternatives.md), [langchain-hs markdown twin](/tools/tusharad-langchain-hs/alternatives.md)), 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](/compare/ju-bezdek-langchain-decorators-vs-tusharad-langchain-hs.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, langchain-decorators or langchain-hs? langchain-decorators: Slowing. langchain-hs: 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-decorators and langchain-hs? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [langchain-decorators trust report](/tools/ju-bezdek-langchain-decorators/trust); [langchain-hs trust report](/tools/tusharad-langchain-hs/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=ju-bezdek-langchain-decorators`](/api/graphcanon/graph?tool=ju-bezdek-langchain-decorators) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_