LLMStack - Alternatives & Competitors

Ranked by Relevance

• 1
  LLM API Access 200+ AI Models with One Unified API

  LLM API provides seamless access to over 200 leading AI models from top providers like OpenAI, Anthropic, Google, and Meta through a single, reliable API, empowering businesses and developers with infinite scalability.

  • Usage Based
• 2
  OAK (Open-Agent-Kit) The Open-Source Platform for Building and Deploying Custom AI Agents - Your Way

  OAK (Open-Agent-Kit) is an open-source platform enabling developers to rapidly build, customize, and deploy AI agents with support for multiple LLMs and a flexible plugin system.

  • Freemium
  • From 13$
• 3
  OpenLIT Open Source Platform for AI Engineering

  OpenLIT is an open-source observability platform designed to streamline AI development workflows, particularly for Generative AI and LLMs, offering features like prompt management, performance tracking, and secure secrets management.

  • Other
• 4
  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$
• 5
  The Full Stack Master the Entire Lifecycle of AI-Powered Product Development

  The Full Stack offers courses and resources for building AI-powered products, covering everything from initial concept to deployment and continual learning.

  • Free
• 6
  MLflow ML and GenAI made simple

  MLflow is an open-source, end-to-end MLOps platform for building better models and generative AI apps. It simplifies complex ML and generative AI projects, offering comprehensive management from development to production.

  • Free
• 7
  Missing Studio An open-source AI studio for rapid development and robust deployment of production-ready generative AI.

  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
• 8
  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$
• 9
  Taam Cloud The AI API Platform Built for Scale.

  Taam Cloud is an AI API platform offering seamless integration with over 200 AI models. It provides enterprise-grade performance and security for developers and businesses.

  • Freemium
• 10
  Astra Platform The Universal API for LLM Function Calling

  Astra Platform is a universal API designed to enhance Large Language Models (LLMs) with function calling capabilities, enabling seamless integration with over 2,200 applications.

  • Contact for Pricing
• 11
  OpenTools The API for Enhanced LLM Tool Use

  OpenTools provides a unified API enabling developers to connect Large Language Models (LLMs) with a diverse ecosystem of tools, simplifying integration and management.

  • Usage Based
• 12
  chatdev.ai A virtual software company powered by AI agents for automated development.

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

  • Free
• 13
  Label Studio The most flexible data labeling platform to fine-tune LLMs, prepare training data or validate AI models

  Label Studio is an open-source data labeling platform that enables users to annotate various data types including GenAI, images, audio, text, time series, and video for machine learning model training and validation.

  • Freemium
• 14
  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$
• 15
  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$
• 16
  Stack AI Build and Deploy AI Applications in minutes

  Stack AI is a comprehensive platform that enables users to create and deploy AI applications with various AI models, integrations, and automation capabilities, offering solutions from basic chatbots to enterprise-grade AI systems.

  • Freemium
  • From 199$
• 17
  Haystack The Production-Ready Open Source AI Framework

  Haystack is a highly customizable, open-source AI framework designed for building production-ready applications with leading LLM providers and AI tools. It offers flexible components and pipeline architecture for various use cases, from simple RAG applications to complex agent workflows.

  • Free
• 18
  Langbase The most powerful serverless platform for building AI products

  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$
• 19
  Molmo AI Open-source multimodal AI that's powerful and free for everyone

  Molmo AI is an open-source multimodal artificial intelligence platform that processes text, images, and various data types with state-of-the-art performance, offering enterprise-level capabilities without cost.

  • Free
• 20
  Dialoq AI Run any AI models through one simple unified API

  Dialoq AI is a comprehensive API gateway that enables developers to access and integrate 200+ Language Learning Models (LLMs) through a single, unified API, streamlining AI application development with enhanced reliability and cost predictability.

  • Contact for Pricing
• 21
  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
• 22
  Llama Workspace The open-source AI assistant for work.

  Llama Workspace is an open-source, extensible ChatGPT Enterprise alternative that works with various Large Language Models, runs on custom infrastructure, and reduces subscription costs by up to 70%.

  • Freemium
  • From 4$
• 23
  Tate-A-Tate A next-generation AI agent development platform

  Tate-A-Tate is a platform for developing AI agents using pre-built tools and user data, requiring no coding knowledge. It allows users to create workflows and custom tools for business improvement.

  • Freemium
  • From 39$
• 24
  LatticeFlow AI AI Results You Can Trust

  LatticeFlow AI helps businesses develop performant, trustworthy, and compliant AI applications. The platform focuses on ensuring AI models are reliable and meet regulatory standards.

  • Contact for Pricing
• 25
  GaiaHub Build Your AI App Without Code

  GaiaHub is a platform where developers create and share building blocks to construct LLM applications. Users can create AI applications quickly and easily without writing any code.

  • Freemium
  • From 15$
• 26
  LLMasaService Multi-LLM routing and usage-based billing for YOUR applications or website

  LLMasaService is an AI platform that enables businesses to build, manage, and monetize AI features in their applications with multi-LLM routing, usage-based billing, and enterprise-grade safety controls.

  • Freemium
  • From 5$
• 27
  LangChain Build and Deploy LLM-Powered Applications and Agents

  LangChain is a comprehensive framework for developing and deploying applications powered by large language models (LLMs), enabling the creation of sophisticated AI agents, chatbots, and data analysis tools. It facilitates building context-aware and reasoning applications.

  • Free
• 28
  Braintrust The end-to-end platform for building world-class AI apps.

  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$
• 29
  Toolhouse Supercharge your AI. Superfast.

  Toolhouse is a complete cloud infrastructure platform that enables developers to equip LLMs with actions and knowledge using just 3 lines of code, offering a Tool Store for instant integration of AI capabilities.

  • Freemium
• 30
  ClearML The End-to-End Platform for AI Builders

  ClearML is an open-source platform designed to accelerate the development and deployment of AI/ML and LLM models at scale, offering a complete solution for developers.

  • Freemium
  • From 15$
• 31
  yourchat.app Chat With Your Self-Hosted AI LLM

  YourChat is a cross-platform client enabling users to chat securely with their own self-hosted Large Language Models (LLMs), offering customization and privacy.

  • Contact for Pricing
• 32
  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$
• 33
  Argilla A collaboration tool for building high-quality AI datasets

  Argilla is an open-source collaboration platform that enables AI engineers and domain experts to build and maintain high-quality datasets for language model training, fine-tuning, and evaluation.

  • Other
• 34
  Interlify Connect Your APIs to LLMs in minutes—Not Weeks!

  Interlify seamlessly connects your existing APIs to Large Language Models (LLMs), enabling rapid integration and development of AI-powered features without complex coding.

  • Freemium
  • From 25$
• 35
  Humanloop The LLM evals platform for enterprises to ship and scale AI with confidence

  Humanloop is an enterprise-grade platform that provides tools for LLM evaluation, prompt management, and AI observability, enabling teams to develop, evaluate, and deploy trustworthy AI applications.

  • Freemium
• 36
  Open Source AI Gateway Manage multiple LLM providers with built-in failover, guardrails, caching, and monitoring.

  Open Source AI Gateway provides developers with a robust, production-ready solution to manage multiple LLM providers like OpenAI, Anthropic, and Gemini. It offers features like smart failover, caching, rate limiting, and monitoring for enhanced reliability and cost savings.

  • Free
• 37
  klu.ai Next-gen LLM App Platform for Confident AI Development

  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$
• 38
  LaunchLemonade The Most Advanced AI Platform for Marketing Teams

  LaunchLemonade is a no-code platform that enables non-technical business owners to create, customize, and deploy AI tools (called Lemonades) using multiple AI models, with features for personal use, team collaboration, and monetization.

  • Freemium
  • From 25$
• 39
  Hegel AI Developer Platform for Large Language Model (LLM) Applications

  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
• 40
  DimBase Build LLM-powered apps with no code

  DimBase is a no-code platform designed for building and deploying applications powered by large language models (LLMs), simplifying AI-driven tool creation.

  • Freemium
  • From 29$
• 41
  ChainML Shaping a Better Future Powered by AI Agents

  ChainML is an AI research and development company specializing in AI agent technologies. They offer Council Analytics, a generative AI platform for conversational data analysis, and the open-source Council framework for building production-grade AI agents.

  • Contact for Pricing
• 42
  OneLLM Fine-tune, evaluate, and deploy your next LLM without code.

  OneLLM is a no-code platform enabling users to fine-tune, evaluate, and deploy Large Language Models (LLMs) efficiently. Streamline LLM development by creating datasets, integrating API keys, running fine-tuning processes, and comparing model performance.

  • Freemium
  • From 19$
• 43
  Monoid Turn your APIs into AI Agents

  Monoid is an open-source platform that transforms APIs into AI Agents, enabling LLMs to gain context and perform real-time actions through a seamless and customizable interface.

  • Free Trial
• 44
  Avian API Fastest, production grade API for Open Source LLMs

  Avian API is an enterprise-grade language model inference platform offering state-of-the-art LLMs with superior speed and competitive pricing, powered by Meta's Llama models and Nvidia H200 SXM technology.

  • Usage Based
  • From 3$
• 45
  Ollama Get up and running with large language models locally

  Ollama is a platform that enables users to run powerful language models like Llama 3.3, DeepSeek-R1, Phi-4, Mistral, and Gemma 2 on their local machines.

  • Free
• 46
  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
• 47
  Kalavai Turn your devices into a scalable LLM platform

  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$
• 48
  NLKit Premium Toolkit To Ship AI Features Faster

  NLKit offers open-source JavaScript libraries for developers to embed conversational AI assistants into web applications with various backend integrations.

  • Freemium
• 49
  Agno An open-source platform to build, ship and monitor agentic systems.

  Agno is an open-source platform for building, deploying, and monitoring AI agents. It allows developers to create high-performance agents with memory, knowledge, and tool integration capabilities.

  • Free
• 50
  AIML API One API, 200+ AI Models with 99% Uptime

  AIML API is a comprehensive AI model marketplace offering seamless integration of 200+ AI models through a single API endpoint, featuring models from leading providers like OpenAI, Anthropic, Google, and Meta AI.

  • Usage Based