Developer decision Enterprise evaluation

Cognee vs Onyx

Side-by-side comparison of Cognee and Onyx across fit, pricing, docs, evidence gaps, and benchmarks.

Decision brief

Best overall

Cognee

Best combined signal across API availability, docs, adoption, reviews, and ecosystem proof.

Open-source option

Cognee

Start here when local control, inspectability, or self-hosting matters.

Decision notes

Adoption proof: No verified adoption proof yet

Reviews: No developer reviews yet

Repo stars: Onyx

Check before choosing

Cognee has no developer reviews yet.Cognee has no public adoption proof yet.Onyx has no developer reviews yet.Onyx has no public adoption proof yet.

Evidence links

Cognee docs Cognee repo Onyx docs Onyx repo

Missing evidence and weekly return

Cognee: verified adoptionCognee: benchmark dataOnyx: verified adoptionOnyx: benchmark data

Save this comparison to watch rank movement, new alternatives, docs changes, examples, and benchmark updates.

Next stepBuild packet and draft write-up

Turn this Cognee vs Onyx decision into something you can build from.

Most developers reading a head-to-head are picking what to ship this week. Take the Cognee vs Onyx decision into a build packet with the setup steps for whichever one you choose, and draft a short write-up of how it went so the next person deciding this has something concrete to read.

Comparing Cognee vs Onyx

Cognee docs Cognee GitHub Onyx docs Onyx GitHub

Build packet Draft proof page

Feature Comparison

Cognee

RAG Frameworks

Pricing: Open source
Open source: Yes
API: Available
Rating: No reviews
GitHub: 31,246 stars
Adoption: Public evidence pending
Benchmark: No benchmark data
Best for: Open-source AI memory and knowledge graph engine for persistent agent context.
Tradeoff: More control and inspectability, but more setup and operational ownership.

Onyx

RAG Frameworks

Pricing: Open source
Open source: Yes
API: Available
Rating: No reviews
GitHub: 32,229 stars
Adoption: Public evidence pending
Benchmark: No benchmark data
Best for: Open-source AI knowledge platform for enterprise search, chat, connectors, and RAG over in
Tradeoff: More control and inspectability, but more setup and operational ownership.

Feature	Cognee	Onyx
Category	RAG Frameworks	RAG Frameworks
Pricing	Open source	Open source
Open source
API available
Rating	No reviews	No reviews
GitHub stars	31,246	32,229
Adoption	Public evidence pending	Public evidence pending
Benchmark	No benchmark data	No benchmark data
Best for	Open-source AI memory and knowledge graph engine for persistent agent context.	Open-source AI knowledge platform for enterprise search, chat, connectors, and RAG over in
Developer tradeoff	More control and inspectability, but more setup and operational ownership.	More control and inspectability, but more setup and operational ownership.

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Feature

Cognee

Onyx