LLM Orchestration

Langchain-hs

Haskell implementation for language model orchestration.

Status
Generally available
Last checked
Checked · Oct 11, 2026
License
Open source
Pricing
Free tier · from $0

What it is

Langchain-hs is a Haskell library that provides tools and utilities for orchestrating language models. It aims to simplify the process of integrating, managing, and deploying language models in Haskell applications.

Langchain-hs stands out as the only Haskell library specifically designed for orchestrating language models, offering a unique advantage to developers and researchers working within the Haskell ecosystem.

When it fits — and when it doesn’t

A good fit for

  • Haskell developers looking to integrate language models into their applications.

  • Researchers who need a robust framework for experimenting with language models in Haskell.

Look elsewhere if

  • Developers primarily working in languages other than Haskell.

  • Projects requiring real-time streaming capabilities (Langchain-hs is batch-oriented).

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited ecosystem and community support

    Small user base in the Haskell community, fewer resources for troubleshooting and advanced use cases.

  2. 02

    Complex setup process

    Requires a deep understanding of Haskell's ecosystem and dependencies management which can be challenging for new users.

  3. 03

    Limited language model support

    Currently supports only a subset of popular language models, limiting its applicability in diverse use cases.

  4. 04

    Performance overhead due to Haskell's runtime

    Haskell's garbage collection and lazy evaluation can introduce performance bottlenecks for real-time or high-throughput applications.

What it does well

  • Simplified language model integration in Haskell applications.

  • Support for managing and deploying various language models.

  • Extensive documentation to help developers get started.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Langchain-hs

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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