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$

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

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

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

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$

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

ModelBench enables teams to rapidly deploy AI solutions with no-code LLM evaluations. It allows users to compare over 180 models, design and benchmark prompts, and trace LLM runs, accelerating AI development.

• Free Trial
• From 49$

LiteLLM provides a simplified and standardized way to interact with over 100 large language models (LLMs) using a consistent OpenAI-compatible input/output format.

• Free

Unify provides tools to build, test, and optimize LLM pipelines with custom interfaces and a unified API for accessing all models across providers.

• Freemium
• From 40$

Weights & Biases (W&B) Weave is a comprehensive framework designed for tracking, experimenting with, evaluating, deploying, and enhancing LLM-based applications.

• Other

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

• Freemium
• From 180$

Datasaur offers a comprehensive platform for NLP labeling and custom LLM development, designed to enhance accuracy and reduce costs for AI projects.

• Contact for Pricing

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$

Float16.cloud provides managed GPU infrastructure and LLM solutions for AI workloads. It offers services like serverless GPU computing and one-click LLM deployment, optimizing cost and performance.

• Usage Based

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$

Klu is an all-in-one LLM App Platform that enables teams to experiment, version, and fine-tune GPT-4 Apps with collaborative prompt engineering and comprehensive evaluation tools.

• Freemium
• From 30$