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llm4s
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llm4s/llm4s

Agentic and LLM Programming in Scala

★267STARS
⑂119FORKS
!182ISSUES
🏆#10,333GLOBAL RANK
🔥2DAYS TRENDING
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Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#17

MOST-STARRED Scala

Window7 days30 days90 days
Stars gained+7+10+90
Per day111
Forks gained+1+3+10

llm4s gained 10 stars in the last 30 days, about 1 a day, and now has 267. It is about 2 years old and has averaged roughly 134 stars a year. It ranks #17 among Scala repositories and #10,333 across all languages on GitHubRepo.

Trending Record

llm4s has maintained a continuous presence across global trending indexes, peaking at #10029. Below is the 30-day activity profile:

💡 Overview

llm4s is an open-source project written in Scala: Agentic and LLM Programming in Scala.

Engineered for speed, consistency, and developer ease, it solves common hurdles in Scala. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in Scala for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/llm4s/llm4s.git
cd llm4s

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Scala environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

llm4s coordinates its core functionality through a modular Scala pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed llm4s into Scala backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open MIT license.

🚀 Getting Started

1

Install llm4s using your package manager: `git clone https://github.com/llm4s/llm4s.git`

2

Initialize your project workspace or configuration file for llm4s.

3

Import llm4s into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `llm4s --help` to verify successful setup.

👍 Strengths

Active community backing with 267 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in Scala for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with Scala and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

⇄ Alternatives & Direct Competitors

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scalanlp/breeze ★ 3.5K Scala

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👥 Who Should Use This

Developers and engineering teams building with Scala, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

llm4s/llm4s is currently ranked #10,333 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#10,318 mix1009/model-keyword Python ★ 268 Compare ↗
#10,318 quarto-dev/q2 Rust ★ 268 Compare ↗
#10,318 jmcorgan/fips Rust ★ 268 Compare ↗
#10,318 atoms-co/splitter Go ★ 268 Compare ↗
#10,318 Icy-Cat/x-viral-monitor JavaScript ★ 268 Compare ↗
#10,333 llm4s/llm4s This Project Scala ★ 267
#10,333 PHP-DI/Invoker PHP ★ 267 Compare ↗
#10,333 cloudfoundry/stratos TypeScript ★ 267 Compare ↗
#10,333 MadDeCoDeR/Classic-RBDOOM-3-BFG C++ ★ 267 Compare ↗
#10,333 JarryShaw/PyPCAPKit Python ★ 267 Compare ↗
#10,333 oracle/weblogic-kubernetes-operator Java ★ 267 Compare ↗
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Frequently Asked Questions

What does llm4s do? +

Agentic and LLM Programming in Scala

What language is llm4s written in? +

The primary language is Scala. Topics include: software.

Is llm4s actively maintained? +

Yes, the last recorded push was on Oct 12, 2026 with 182 open issues being tracked.

How many stars does llm4s have? +

llm4s has 267 stars and 119 forks on GitHub.

How does llm4s rank among GitHub repositories? +

With 267 stars, llm4s/llm4s is ranked #10,333 globally across all repositories tracked on GitHubRepo and #17 among Scala projects.

What license is llm4s distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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