LLM development platform - AI tools

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

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$

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$

Literal AI streamlines the development of LLM applications, offering tools for evaluation, prompt management, logging, monitoring, and more to build production-grade AI products.

• Freemium

LlamaEdge is a lightweight and fast local LLM runtime and API server, powered by Rust & WasmEdge, designed for creating cross-platform LLM agents and web services.

• Free

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

Lora provides an SDK for integrating a fine-tuned, mobile-optimized local Large Language Model (LLM) into applications with minimal setup, offering GPT-4o-mini level performance.

• Freemium

Kalavai offers a platform for deploying Large Language Models (LLMs) across various devices, scaling from personal laptops to full production environments. It simplifies LLM deployment and experimentation.

• Paid
• From 29$

Langbase is a serverless AI developer platform that enables developers to build, deploy, and manage AI products with composable infrastructure, featuring BaseAI - the first Web AI Framework.

• Freemium
• From 20$

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

• Freemium
• From 49$

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

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

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

• Free

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

Axolotl AI is a free, open-source tool designed to make fine-tuning Large Language Models (LLMs) faster, more accessible, and scalable across various AI models and platforms.

• Free

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

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

• Freemium

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

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

Conviction is an AI platform designed for evaluating, testing, and monitoring Large Language Models (LLMs) to help developers build reliable AI applications faster. It focuses on detecting hallucinations, optimizing prompts, and ensuring security.

• Freemium
• From 249$

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$

Transformer Lab is an open-source platform enabling researchers, ML engineers, and developers to collaboratively build, train, evaluate, and deploy AI models with features like provenance, reproducibility, and transparency.

• Free

WebLLM enables running large language models (LLMs) directly within a web browser using WebGPU for hardware acceleration, reducing server costs and enhancing privacy.

• Free

Braintrust provides an end-to-end platform for developing, evaluating, and monitoring Large Language Model (LLM) applications. It helps teams build robust AI products through iterative workflows and real-time analysis.

• Freemium
• From 249$

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

• Freemium
• From 59$

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

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

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

ChatDev simulates a virtual software company using AI agents based on LLMs to automate tasks like designing, coding, testing, and documenting software projects.

• Free