Best Letta Alternatives in 2025
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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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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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Call all LLM APIs using the OpenAI format. Use Bedrock, Azure, OpenAI, Cohere, Anthropic, Ollama, Sagemaker, HuggingFace, Replicate (100+ LLMs)
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Agent Cloud is an open source platform enabling companies to build and deploy private LLM chat apps (like chat GPT), that can enable teams to securely talk to their data.
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Llongterm: The plug-and-play memory layer for AI agents. Eliminate context loss & build intelligent, persistent AI that never asks users to repeat themselves.
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Get reliable AI insights. Lettria's GraphRAG unlocks your data's potential, providing traceable, accurate answers you can trust.
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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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Literal AI: Observability & Evaluation for RAG & LLMs. Debug, monitor, optimize performance & ensure production-ready AI apps.
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LLMWare.ai enables developers to create enterprise AI apps easily. With 50+ specialized models, no GPU needed, and secure integration, it's ideal for finance, legal, and more.
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Build and customize AI agents with your preferred LLM models. Give your agents superpowers with an expanding toolkit - from web search and phone calling to Gmail and calendar management. Bring your own API keys or use platform credits, it's your choice.
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Lamatic.ai is a managed PaaS for building high-performance GenAI apps. Solve workflow friction between devs and non-tech. Low-code builder, VectorDB, easy setup. Collaborate & scale fast.
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Stop AI forgetfulness! MemMachine gives your AI agents long-term, adaptive memory. Open-source & model-agnostic for personalized, context-aware AI.
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Lemon AI: Your private, self-hosted AI agent. Run powerful, open-source AI on your hardware. Securely tackle complex tasks, save costs, & control your data.
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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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Abacus.AI is the world's first end-to-end ML and LLM Ops platform where AI, not humans, build Applied AI agents and systems.
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Build, manage, and scale production-ready AI workflows in minutes, not months. Get complete observability, intelligent routing, and cost optimization for all your AI integrations.
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Build next-gen LLM applications effortlessly with AutoGen. Simplify development, converse with agents and humans, and maximize LLM utility.
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txtai is an all-in-one AI framework for semantic search, LLM orchestration and language model workflows.
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Langbase empowers any developer to build & deploy advanced serverless AI agents & apps. Access 250+ LLMs and composable AI pipes easily. Simplify AI dev.
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Build AI apps and chatbots effortlessly with LLMStack. Integrate multiple models, customize applications, and collaborate effortlessly. Get started now!
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Adaline transforms the way teams develop, deploy, and maintain LLM-based solutions.
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Notte: The unified browser framework for AI agents. Build reliable, autonomous web agents with integrated stealth, secure transactions, and more.
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AnythingLLM is the enterprise-ready "chat with your documents" solution that is safe, secure, and your whole company can use to make everyone an expert in your business, overnight.
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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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LlamaIndex builds intelligent AI agents over your enterprise data. Power LLMs with advanced RAG, turning complex documents into reliable, actionable insights.
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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.
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Automate complex tasks & build custom apps code-free with DeepAgent, the AI agent that integrates systems. Includes a full suite of AI tools.
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One AI assistant for you or your team with access to all the state-of-the-art LLMs, web search and image generation.
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Helix is a private GenAI stack for building AI agents with declarative pipelines, knowledge (RAG), API bindings, and first-class testing.
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Theia AI: Build custom, AI-native tools & IDEs with an open framework. Integrate specialized AI agents & retain full control over models, data, UX.