Best Mastra Alternatives in 2025
-
BaseAI is a web developer's dream. Open-source, local dev, serverless deploy. Composable AI pipes, tools, memory. Reduce hallucinations. Full-stack memory. Build high-quality AI agents.
-
Create, share, and deploy AI agents without coding—Mosaia makes building intelligent solutions effortless. Automate tasks, collaborate globally, and innovate with ease.
-
AgentKit is a framework to build AI Agents, from single model inference calls to multi-agent systems that use tools. Designed with orchestration at its core, AgentKit enables developers to build, test, and deploy reliable AI applications at scale.
-
Built for developers, Rubra is an open-source project that delivers the same simplicity and intelligence as working with ChatGPT, but with a unique focus on building AI assistants powered by a locally running open-source LLM.
-
Build AI chat UIs faster with assistant-ui! Open-source React library with primitives, integrations, and wide LLM support.
-
Athina AI is an essential tool for developers looking to create robust, error-free LLM applications. With its advanced monitoring and error detection capabilities, Athina streamlines the development process and ensures the reliability of your applications. Perfect for any developer looking to enhance the quality of their LLM projects.
-
Get MAIA, a powerful AI tool that offers speech-to-text, summarization, and translation features. Enhance productivity and save time with MAIA for free.
-
Agenta is an open-source Platform to build LLM Application. It includes tools for prompt engineering, evaluation, deployment, and monitoring.
-
Motia is a code-first framework designed to empower developers to build robust, scalable, and observable event-driven workflows with unparalleled ease. We handle the infrastructure complexities, so you can focus on your business logic.
-
Astria is an AI image generation platform designed to help create custom images quickly and easily
-
Build unique AI-driven agents with Superagent, an open-source framework for large language models. Deploy agents in production and bring value to your customers today!
-
Astra makes it easy to integrate any app and API with an LLM for function calling. The JSON schemas and end-user authentication setup is handled by us. Even if your LLM isn't fine-tuned for function calling, we can provide a proxy method of integration.
-
Chat with AI to generate full-stack code instantly, switch between Preview and Code modes, and deploy projects in minutes. Sign up for free and experience the future of web development.
-
Letta is an open source framework for building stateful LLM applications. You can use Letta to build stateful agents with advanced reasoning capabilities and transparent long-term memory. The Letta framework is white box and model-agnostic.
-
Build generative AI applications ready for production on the industry-leading vector database made for similarity search. Get started with Astra DB for free!
-
Save time, reduce costs, and improve productivity with Raia, an AI-powered teammate that automates tasks, analyzes data, and offers strategic advice.
-
Ax is the ultimate Typescript framework for building agents. Supports top LLMs, multi-modal, DSPy prompts. Build agents that collaborate. Future of LLM workflows.
-
Mistral AI is a French AI startup founded by former researchers from Google’s DeepMind and Meta Platforms.
-
Supercharge your frontend development with Maximus AI. Create React components using AI, integrated seamlessly with TailwindCSS, and save time.
-
Create custom AI agents, automate tasks, conduct research, and receive personalized assistance with AgentGPT. Power up with this versatile AI tool now!
-
FastAgency is an open-source framework that accelerates multi-agent AI workflows from prototype to production. With multi-framework support, unified interface, API integration, and testing tools, it empowers developers to build and deploy efficiently.
-
BrowserAI: Run production - ready LLMs directly in your browser. It's simple, fast, private, and open - source. Features include WebGPU acceleration, zero server costs, and offline capability. Ideal for developers, companies, and hobbyists.
-
EggAI Multi-Agent Meta Framework makes it easy to build enterprise-grade multi-agent systems with quality-controlled output, using an async-first, distributed and composable architecture.
-
Flexible and powerful framework for managing multiple AI agents and handling complex conversations
-
Automate complex tasks with Agent TARS! Open-source, multimodal AI agent with browser, file, & command-line tools.
-
Codestral is an open-weight generative AI model explicitly designed for code generation tasks.
-
Metastory: AI-driven platform for product owners. Streamline req gathering, with AI help, UI docs, JIRA integration. Free forever.
-
Generate and compose React components with ReactAgent, an open-source tool leveraging GPT-4. Ideal for prototyping, design systems, and automation.
-
Superinterface is a platform designed to help businesses build and deploy AI-powered assistants within their applications. It offers features for creating multi-agent systems, customizing user interfaces with React, and integrating with major AI platforms.
-
SciPhi is an open source platform that makes it easy for developers to build the best RAG system.