Looking for something similar to Vercel AI SDK? We found 20 alternatives in Developer Tools, AI & ML, Open Source — ranked by trust score so you can pick the best fit.
TypeScript AI agent framework with built-in memory and tools
$ npm install @mastra\/core
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Agent framework from the creators of Pydantic
$ pip install pydantic-ai
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Full-featured LLM framework for Rust
$ cargo add rig-core
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Unified API for hundreds of AI models
$ pip install openrouter
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Run LLMs locally with a single command
$ curl -fsSL https:\/\/ollama.ai\/install.sh | sh
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Open-source AI software engineer (formerly OpenDevin)
$ pip install openhands
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Self-hosted web UI for LLMs (formerly Ollama WebUI)
$ docker run -p 3000:8080 ghcr.io\/open-webui\/open-webui
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Open-source LLM app development platform
$ docker compose up -d
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AI coding assistant that lives in your IDE
$ Install from VS Code Marketplace
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Multi-agent framework that mimics a software company
$ pip install metagpt
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Self-hosted AI coding assistant
$ docker run tabbyml\/tabby
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AI pair programming in your terminal
$ pip install aider-chat
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The all-in-one AI app for any LLM with RAG
$ docker pull mintplexlabs\/anythingllm
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Open-source LLM engineering platform
$ pip install langfuse
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Open-source AI code assistant for VS Code and JetBrains
$ Install from VS Code Marketplace or JetBrains
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Open-source ChatGPT alternative that runs offline
$ Download from jan.ai
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Production-ready toolset for AI agents
$ pip install composio-core
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Memory layer for AI agents and assistants
$ pip install mem0ai
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Build stateful multi-agent applications with LangChain
$ pip install langgraph
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Build multi-modal AI agents with memory and reasoning
$ pip install agno
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