Agent Development Kit (ADK) vs Elysia

Agent Development Kit (ADK) and Elysia are both agent frameworks tracked by AIDiveForge. Below is a side-by-side comparison of pricing, capabilities, platforms, and ownership — sourced from each tool's live website and verified before publishing.

Agent Development Kit (ADK)

ADK is the open-source agent development framework that lets you build, debug, and deploy reliable AI agents at enterprise scale.

Elysia

An open-source framework that spins up an end-to-end agentic RAG application with just two terminal commands.

Attribute	Agent Development Kit (ADK)	Elysia
Pricing	Free	Free
Free trial	No	No
Open source	No	No
Has API	Yes	Yes
Self-hosted option	Yes	Yes
Platforms	Python, TypeScript, Go, and Java	Python (pip-installable), Web application (FastAPI backend, Next.js frontend)
Languages	Python, TypeScript, Go, and Java	Python, TypeScript (frontend), language-agnostic via REST API
Released	2025-04	2025-08
Pros	Context is treated like source code with structured assembly of sessions, memory, tool outputs, and artifacts, automatic filtering of irrelevant events, summarization of older turns, lazy-loading of artifacts, and token usage tracking to keep agents fast, efficient, and reliable by default Multi-language support with Python, TypeScript, Go, and Java implementations Model-agnostic and compatible with other frameworks while optimized for Gemini Built-in development UI for testing, evaluating, debugging, and showcasing agents When deploying to Google Cloud, agents inherit managed infrastructure, built-in authentication, Cloud Trace observability, and enterprise-grade security without code changes	Decision agent dynamically decides which tools to use based on environment and context Seven different display formats including tables, product cards, tickets, conversations, documents, and charts Everything comes in a single pip-installable package Entire project is open source and designed with customization in mind Flexible model integration with support for multiple LLM providers and local models
Cons	Optimized primarily for Google Cloud deployment and Gemini models, though model-agnostic capabilities exist Development version builds directly from latest code commits may contain experimental changes or bugs not present in stable release	May not be maintained with the same rigor as production software Still in beta phase with some known issues Requires connection to Weaviate cluster for full functionality

Bottom line

Agent Development Kit (ADK) and Elysia are closely matched on pricing model, openness, and API availability — pick by feature set and platform support in the table above.

Comparison data is sourced and verified by the AIDiveForge data pipeline. AIDiveForge is editorially independent.