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Haystack

vs

Google ADK

Haystack vs Google ADK

Side-by-side comparison of Haystack and Google ADK — features, pricing, performance scores, and which to choose for your AI agents.
View All Framework Comparisons

Quick Verdict

DimensionHaystackGoogle ADKWinner

Ease of Use

4/5

4/5

Tie

Scalability

4/5

4/5

Tie

Documentation

5/5

4/5

Haystack

Community

4/5

3/5

Haystack

Performance

4/5

4/5

Tie

Overall: Haystack wins 2 categories, Google ADK wins 0, 3 tied

Feature Comparison

FeatureHaystackGoogle ADK
Primary LanguagePythonPython
LicenseApache-2.0Apache-2.0
PricingOpen Source + CloudOpen Source + Cloud
GitHub Stars17,9007,500
Difficulty
Intermediate
Intermediate
Enterprise Ready
Community SizeLargeMedium
CategoryRAG & KnowledgeMulti-Agent Systems

Pros & Cons

Haystack
Haystack
Advantages

Excellent for semantic search and RAG

Modular pipeline architecture

Strong deepset backing and support

Good documentation

Apache 2.0 license

deepset Cloud for managed hosting

Limitations

Primarily RAG-focused not general agents

Learning curve for pipeline design

Smaller community than LangChain

Agent features less mature

Google ADK
Google ADK
Advantages

Official Google framework

Vertex AI integration

Developer UI and CLI tools

Apache 2.0 license

Built-in evaluation utilities

Limitations

Optimized for Google ecosystem

Smaller community

Documentation could be better

Requires GCP for full benefits

Best Use Cases

Haystack
Haystack

Semantic document search

Question answering over documents

Retrieval-Augmented Generation

Information extraction pipelines

Conversational search

Agent-based document analysis

Google ADK
Google ADK

Multi-agent GCP applications

Vertex AI-powered agents

Enterprise Google Cloud workflows

Tool-integrated agent systems

Getting Started

Haystack
Haystack
Installation
pip install haystack-ai
Google ADK
Google ADK
Installation
pip install google-adk

Learn More

Haystack Full Review
Google ADK Full Review
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