Best OpenAI Agents SDK Alternatives in 2025
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Atomic Agents: Python framework for predictable AI. Build modular, reliable agent pipelines with full control.
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PilottAI is a Python framework for building autonomous multi-agent systems with advanced orchestration capabilities. It provides enterprise-ready features for building scalable AI applications powered by large language models.
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Flexible and powerful framework for managing multiple AI agents and handling complex conversations
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The Solana Agent Kit eliminates the friction between AI development and blockchain execution. Whether you're building an autonomous trading bot or an NFT-generating AI artist, this open-source toolkit gives any AI agent (GPT-4, Claude, Llama, or custom models) the ability to perform 60+ Solana actions with code-like precision – all through natural language commands.
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Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
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Build AI agents and LLM apps with observability, evals, and replay analytics. No more black boxes and prompt guessing.
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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.
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Workflow automation with AI Agents for everyone. Use cutting-edge technology to free up your time and focus. Try today.
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GeneralAgent is a Python-native Agent framework that aims to seamlessly integrate large language models with Python.
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Build powerful autonomous language agents with Agents, an open-source library/framework. Customize behavior, utilize tools, navigate the web, interact with humans, and communicate with other agents. Empower your language agents with fine-grained control and advanced features. Perfect for customer service, collaboration, or virtual assistants.
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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!
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SuperAgentX, an open - source AI framework, enables building autonomous AI agents for AGI. Features include goal - oriented multi - agents, easy deployment, and flexible LLM config. Ideal for e - commerce, data analysis, and research. Explore AGI possibilities now!
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Explore open-source AI Agents developed by machine learning experts. Effortlessly run and customize them with one-click simplicity
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Swarm by OpenAI is an open-source multi-agent framework with agents, handoffs, routines & more. It simplifies complex workflows, offers high controllability & is beginner-friendly. Reshape AI applications!
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Agenta is an open-source Platform to build LLM Application. It includes tools for prompt engineering, evaluation, deployment, and monitoring.
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Build AI assistants to respond to user queries with the Assistants API. Customize features, integrate tools, enhance experiences. Learn more with OpenAI.
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Agent Zero is an open-source AI framework designed to be dynamic, customizable, and capable of organic growth and learning.
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DSPy - a Python framework for AI systems. Modular code instead of prompt engineering. Optimizers, open-source. Build Q&A systems, pipelines, & optimize LMs. Revolutionize your AI dev.
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SmolAgents is a minimalist AI agent framework by Hugging Face, designed to help developers create powerful agents with minimal code.
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AgentStudio is an open toolkit covering the entire lifespan of building virtual agents that can interact with everything on digital worlds.
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Archon: AI Agenteer. Easily create autonomous AI agents. Automate development, prototype faster, & learn AI frameworks.
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AutoAgent: Zero-code AI agent builder. Create powerful LLM agents with natural language. Top performance, flexible, easy to use.
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xpander.ai is a robust platform designed for developing autonomous and reliable AI agents across various applications. Our advanced tools enable engineers and technical leaders to construct sophisticated AI agents that handle complex, multi-step workflows with ease. Utilize our visual builder and agentic interfaces to create tailored AI solutions that meet your specific needs.
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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.
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Discover the AI Code Playground, a web-based platform for AI code generation. Write, execute, and explore AI code with its Live Editor and Python Library.
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ChatBotKit is a platform that helps you build your own conversational AI bots. Unlike pre-built solutions like ChatGPT, you have full control to customize your bot's behavior, data, and integrations to fit your specific needs.
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Secure AI tool-calling with Arcade. Agent Auth, pre-built connectors, & a custom SDK. Connect to Gmail, Slack, APIs & more.
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AgentGenesis is an open-source platform. Simplify AI agent creation and deployment. Intuitive interface, no coding needed. Seamless integration. LinkedIn Agent, chat models. For marketers, support, analysts. Empower with ease.
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Pyspur is an open-source AI Agent Builder. Build modular agents, profile behavior, evaluate mid-pipeline. Easy to add tools & share. SDKs for Python/TypeScript. Start building now!
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AI/ML API offering developers access to over 100 AI models via a single API, ensuring round-the-clock innovation. Offering GPT-4 level performance at 80% lower costs, and seamless OpenAI compatibility for easy transitions.