Best Pydantic AI Alternatives in 2025
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OpenAI Agents SDK: Python for production AI apps. Build agents, tools, guardrails, tracing.
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datapizza-ai provides clear interfaces and predictable behavior for agents and RAG. End-to-end visibility and reliable orchestration keep engineers in control from PoC to scale
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AiPy: Automate local tasks with AI-generated Python. Securely analyze files, control devices & streamline your workflow on your machine.
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AiPy: AI assistant using Python. Works with any LLM (GPT, local models). Automate tasks, analyze data, build apps. Open source!
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Atomic Agents: Python framework for predictable AI. Build modular, reliable agent pipelines with full control.
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Pylar sits between your agents and your databases. You define what data they can access, build custom tools on top of it, and get full observability across all your AI deployments.
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AXAR AI is a lightweight framework for building production-ready agentic applications using TypeScript. It’s designed to help you create robust, production-grade LLM-powered apps using familiar coding practices—no unnecessary abstractions, no steep learning curve.
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TaskingAI brings Firebase's simplicity to AI-native app development. Start your project by selecting an LLM model, build a responsive assistant supported by stateful APIs, and enhance its capabilities with managed memory, tool integrations, and augmented generation system.
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Archon: AI Agenteer. Easily create autonomous AI agents. Automate development, prototype faster, & learn AI frameworks.
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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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LightAgent: The lightweight, open-source AI agent framework. Simplify development of efficient, intelligent agents, saving tokens & boosting performance.
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Youtu-Agent: Build & evaluate SOTA autonomous AI agents fast. Modular framework for open-source LLMs, featuring automated generation & tools.
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GraphBit: Accelerate enterprise AI agent development. Build scalable, secure AI agents with Rust's speed & Python's ease. Outperform competitors.
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Literal AI: Observability & Evaluation for RAG & LLMs. Debug, monitor, optimize performance & ensure production-ready AI apps.
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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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Devika: Autonomous open-source AI software engineer. Plans, researches & codes from your project goals. Flexible LLM integration.
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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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Build reliable AI agents and connect them to 500+ integrations with built-in multi-tenant auth management and granular permissions using our model agnostic platform and unified MCP server.
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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.
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Portia: Build auditable, compliant AI agents for regulated industries. Ensure safety, transparency & human control over AI automation.
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VoltAgent: Open-source TypeScript framework for building powerful, custom AI agents. Gain control & flexibility. Integrate LLMs, tools, & data.
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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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LazyLLM: Low-code for multi-agent LLM apps. Build, iterate & deploy complex AI solutions fast, from prototype to production. Focus on algorithms, not engineering.
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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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Evaluate & optimize LLMs & AI agents with Patronus AI. Research-grade tools ensure quality, safety, and reliability for production.
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Build ML models with plain English using PlexeAI. Describe your model; our AI builds, trains & deploys it. Fast prototyping & integration.
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Build custom AI agents with OpenPipe using reinforcement learning. Fine-tune & deploy secure, cost-effective models tailored to your business needs.
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Empower your AI agents in 1 minute with OneTool's seamless SDK integration. Join Pica's Design Partner Program to shape autonomous AI's future.
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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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PuppyAgent: Transform proprietary knowledge into self-evolving AI agents. Build powerful agentic RAG systems to automate workflows & boost insights.