Open-source LLM development environment - AI tools

Flowise is an open-source low-code platform that enables developers to build customized LLM orchestration flows and AI agents through a drag-and-drop interface.

• Freemium
• From 35$

Laminar is an open-source platform that enables developers to trace, evaluate, label, and analyze Large Language Model (LLM) applications with minimal code integration.

• Freemium
• From 25$

Hegel AI provides a developer platform for building, monitoring, and improving large language model (LLM) applications, featuring tools for experimentation, evaluation, and feedback integration.

• Contact for Pricing

LM Studio is a desktop application that allows users to run Large Language Models (LLMs) locally and offline, supporting various architectures including Llama, Mistral, Phi, Gemma, DeepSeek, and Qwen 2.5.

• Free

Missing Studio is an open-source AI platform designed for developers to build and deploy generative AI applications. It offers tools for managing LLMs, optimizing performance, and ensuring reliability.

• Free

Agenta is an LLM engineering platform offering tools for prompt engineering, versioning, evaluation, and observability in a single, collaborative environment.

• Freemium
• From 49$

Superpipe is an open-source experimentation platform designed for building, evaluating, and optimizing Large Language Model (LLM) pipelines to improve accuracy and minimize costs. It allows deployment on user infrastructure for enhanced privacy and security.

• Free

PromptsLabs is a community-driven platform providing copy-paste prompts to test the performance of new LLMs. Explore and contribute to a growing collection of prompts.

• Free

EleutherAI is a research institute focused on advancing and democratizing open-source AI, particularly in language modeling, interpretability, and alignment. They train, release, and evaluate powerful open-source LLMs.

• Free

LM Studio is a user-friendly desktop application that allows users to run various large language models (LLMs) locally and offline, including Llama 2, PN3, Falcon, Mistral, StarCoder, and GEMMA models from Hugging Face.

• Free

LMQL is a programming language designed for large language models, offering robust and modular prompting with types, templates, and constraints.

• Free

Langfuse provides an open-source platform for tracing, evaluating, and managing prompts to debug and improve LLM applications.

• Freemium
• From 59$

Aider is a command-line tool that enables pair programming with LLMs to edit code in your local git repository. It supports various LLMs and offers top-tier performance on software engineering benchmarks.

• Free

LLMStack is an open-source development platform that enables users to build AI agents, workflows, and applications by integrating various model providers and custom data sources.

• Other

BenchLLM is a tool for evaluating LLM-powered applications. It allows users to build test suites, generate quality reports, and choose between automated, interactive, or custom evaluation strategies.

• Other

Rig is a Rust-based framework for building modular and scalable LLM applications. It offers a unified LLM interface, Rust-powered performance, and advanced AI workflow abstractions.

• Free

Gentrace is an LLM evaluation platform designed for AI teams to test and automate evaluations of generative AI products and agents. It facilitates collaborative development and ensures high-quality LLM applications.

• Usage Based

Phoenix accelerates AI development with powerful insights, allowing seamless evaluation, experimentation, and optimization of AI applications in real time.

• Freemium

Keywords AI is a comprehensive developer platform for LLM applications, offering monitoring, debugging, and deployment tools. It serves as a Datadog-like solution specifically designed for LLM applications.

• Freemium
• From 7$