LLM development tool - AI tools

  • PromptsLabs
    PromptsLabs A Library of Prompts for Testing LLMs

    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
  • Laminar
    Laminar The AI engineering platform for LLM products

    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$
  • LM Studio
    LM Studio Discover, download, and run local LLMs on your computer

    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
  • LMQL
    LMQL A programming language for LLMs.

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

    • Free
  • Flowise
    Flowise Build LLM Apps Easily - Open Source Low-Code Tool for LLM Orchestration

    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$
  • GPT–LLM Playground
    GPT–LLM Playground Your Comprehensive Testing Environment for Language Learning Models

    GPT-LLM Playground is a macOS application designed for advanced experimentation and testing with Language Learning Models (LLMs). It offers features like multi-model support, versioning, and custom endpoints.

    • Free
  • Inductor
    Inductor Streamline Production-Ready LLM Applications

    Inductor enables developers to rapidly prototype, evaluate, and improve LLM applications, ensuring high-quality app delivery.

    • Freemium
  • lm-studio.me
    lm-studio.me Local LLM Running & Download Platform

    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
  • PromptMage
    PromptMage A Python framework for simplified LLM-based application development

    PromptMage is a Python framework that streamlines the development of complex, multi-step applications powered by Large Language Models (LLMs), offering version control, testing capabilities, and automated API generation.

    • Other
  • Libretto
    Libretto LLM Monitoring, Testing, and Optimization

    Libretto offers comprehensive LLM monitoring, automated prompt testing, and optimization tools to ensure the reliability and performance of your AI applications.

    • Freemium
    • From 180$
  • Langfuse
    Langfuse Open Source LLM Engineering Platform

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

    • Freemium
    • From 59$
  • aider
    aider AI Pair Programming in Your Terminal

    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
  • LM-Kit
    LM-Kit Enterprise-Grade C# Toolkits for AI Agent Integration

    LM-Kit provides .NET developers with tools for AI agent customization, creation, and orchestration. It enables multimodal generative AI systems integration in C# and VB.NET applications.

    • Paid
    • From 1000$
  • Langtail
    Langtail The low-code platform for testing AI apps

    Langtail is a comprehensive testing platform that enables teams to test and debug LLM-powered applications with a spreadsheet-like interface, offering security features and integration with major LLM providers.

    • Freemium
    • From 99$
  • Agenta
    Agenta End-to-End LLM Engineering Platform

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

    • Freemium
    • From 49$
  • promptfoo
    promptfoo Test & secure your LLM apps with open-source LLM testing

    promptfoo is an open-source LLM testing tool designed to help developers secure and evaluate their language model applications, offering features like vulnerability scanning and continuous monitoring.

    • Freemium
  • LLM Token Counter
    LLM Token Counter Secure client-side token counting for popular language models

    A sophisticated token counting tool that helps users manage token limits across multiple language models including GPT-4, Claude-3, and Llama-3, with client-side processing for maximum security.

    • Free
  • Keywords AI
    Keywords AI LLM monitoring for AI startups

    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$
  • Didn't find tool you were looking for?

    Be as detailed as possible for better results
    EliteAi.tools logo

    Elite AI Tools

    EliteAi.tools is the premier AI tools directory, exclusively featuring high-quality, useful, and thoroughly tested tools. Discover the perfect AI tool for your task using our AI-powered search engine.

    Subscribe to our newsletter

    Subscribe to our weekly newsletter and stay updated with the latest high-quality AI tools delivered straight to your inbox.

    © 2025 EliteAi.tools. All Rights Reserved.