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Home/Compare/LightRAG vs UltraRAG

Comparison

LightRAG vs UltraRAG

Verdict

Pick LightRAG if lightRAG is a framework designed for efficient retrieval-augmented generation methods, focusing on enhancing the performance of large language models with additional knowledge; pick UltraRAG if ultraRAG is a low-code framework for building retrieval-augmented generation pipelines with Python.

Markdown twin · LightRAG alternatives · UltraRAG alternatives

GraphCanon updated 4d

LightRAG logo

LightRAG

HKUDS/LightRAG

★ 39kpushed Aug 16, 2026
vs
UltraRAG logo

UltraRAG

OpenBMB/UltraRAG

★ 5.7kpushed Aug 17, 2026

Trust & integrity

SignalLightRAGUltraRAG
Maintenance
Very active (0d since push)
As of 6d · github_public_v1
Very active (1d since push)
As of 4d · github_public_v1
Provenance
Not a fork · Organization account
As of 6d · github_public_v1
Not a fork · Organization account
As of 4d · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of 1mo · osv@v1
No lockfile (source not queried)
As of 1mo · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1
LightRAG trust reportUltraRAG trust reportTrust methodology

Tagline

LightRAG
[EMNLP2025] Simple and Fast Retrieval-Augmented Generation
UltraRAG
A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines

Stars

LightRAG
39k
UltraRAG
5.7k

Forks

LightRAG
5.5k
UltraRAG
437

Open issues

LightRAG
227
UltraRAG
18

Language

LightRAG
Python
UltraRAG
Python

Adopt for

LightRAG
LightRAG is a framework designed for efficient retrieval-augmented generation methods, focusing on enhancing the performance of large language models with additional knowledge.
UltraRAG
UltraRAG is a low-code framework for building retrieval-augmented generation pipelines with Python.

Persona

LightRAG
-
UltraRAG
-

Runtime

LightRAG
-
UltraRAG
-

License

LightRAG
MIT
UltraRAG
Apache-2.0 license provides freedom with conditions for use, modification, and distribution.

Last pushed

LightRAG
Aug 16, 2026
UltraRAG
Aug 17, 2026

Categories

LightRAG
Data & Retrieval, LLM Frameworks
UltraRAG
Data & Retrieval, LLM Frameworks

Trust and health

Days since push

LightRAG
0d
UltraRAG
1d

Open issues (now)

LightRAG
227
UltraRAG
18

Stars delta

LightRAG
+1.2k (30d)
UltraRAG
+18 (30d)

Open issues delta

LightRAG
+4 (30d)
UltraRAG
-7 (30d)

Full report

LightRAG
Trust report
UltraRAG
Trust report

Typed relationship

LightRAG alternative UltraRAGUltraRAG and LightRAG both target simplified RAG pipeline creation but approach it differently, thus are alternatives.

Shared compatibility

  • Python · LightRAG: Python runtime · UltraRAG: Python runtime

Choose LightRAG if…

  • License: LightRAG is MIT, UltraRAG is Apache-2.0.
  • Pricing: LightRAG is available under the MIT license and is free to use. Potential paid services or premium features may exist outside of this repository..
  • Requirements: Min 4 GB RAM; Requires Python environment compatible with the version supported by LightRAG.; External datasets and relevant APIs may be required for full functionality..
  • UltraRAG and LightRAG both target simplified RAG pipeline creation but approach it differently, thus are alternatives.
  • Tags unique to LightRAG: genai, gpt, knowledge-graph, rag.
  • - When you need quick integration of external data sources to enrich your model outputs.

When NOT to use LightRAG

  • - If you require a more complex framework offering advanced customization options, LightRAG’s core focus on simplicity might not meet your needs.
  • - When the nature of your application demands real-time responses without room for the additional latency that might come with retrieval processes, despite being advertised as quick.
GitHubDetails

Choose UltraRAG if…

  • License: UltraRAG is Apache-2.0, LightRAG is MIT.
  • UltraRAG and LightRAG both target simplified RAG pipeline creation but approach it differently, thus are alternatives.
  • Tags unique to UltraRAG: deepseek, demo, easy, embedding.
  • You require a straightforward setup with uv package manager or Docker support

When NOT to use UltraRAG

  • Prefer tools that do not rely on specific package managers like uv
  • Require more customization in pipeline creation beyond what low-code environments offer
GitHubDetails

Explore

LightRAG trust report →UltraRAG trust report →Data & Retrieval category →LLM Frameworks category →All comparisonsStack workflowsTrending tools

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: LightRAG 39k · UltraRAG 5.7k (synced Aug 16, 2026).

Common questions

What is the difference between LightRAG and UltraRAG?
LightRAG: [EMNLP2025] Simple and Fast Retrieval-Augmented Generation. UltraRAG: A Low-Code MCP Framework for Building Complex and Innovative RAG Pipelines. See the comparison table for live GitHub stats and shared categories.
When should I choose LightRAG over UltraRAG?
Choose LightRAG over UltraRAG when License: LightRAG is MIT, UltraRAG is Apache-2.0; Pricing: LightRAG is available under the MIT license and is free to use. Potential paid services or premium features may exist outside of this repository.; Requirements: Min 4 GB RAM; Requires Python environment compatible with the version supported by LightRAG.; External datasets and relevant APIs may be required for full functionality.; UltraRAG and LightRAG both target simplified RAG pipeline creation but approach it differently, thus are alternatives; Tags unique to LightRAG: genai, gpt, knowledge-graph, rag; - When you need quick integration of external data sources to enrich your model outputs.
When should I choose UltraRAG over LightRAG?
Choose UltraRAG over LightRAG when License: UltraRAG is Apache-2.0, LightRAG is MIT; UltraRAG and LightRAG both target simplified RAG pipeline creation but approach it differently, thus are alternatives; Tags unique to UltraRAG: deepseek, demo, easy, embedding; You require a straightforward setup with uv package manager or Docker support.
When should I avoid LightRAG?
- If you require a more complex framework offering advanced customization options, LightRAG’s core focus on simplicity might not meet your needs. - When the nature of your application demands real-time responses without room for the additional latency that might come with retrieval processes, despite being advertised as quick.
When should I avoid UltraRAG?
Prefer tools that do not rely on specific package managers like uv Require more customization in pipeline creation beyond what low-code environments offer
Is LightRAG or UltraRAG more popular on GitHub?
LightRAG has more GitHub stars (38,895 vs 5,670). Stars measure visibility, not whether either tool fits your constraints.
Are LightRAG and UltraRAG open source?
Yes - both are open-source projects on GitHub (LightRAG: MIT, UltraRAG: Apache-2.0).
Where can I find alternatives to LightRAG or UltraRAG?
GraphCanon lists graph-backed alternatives at LightRAG alternatives and UltraRAG alternatives (LightRAG markdown twin, UltraRAG markdown twin), ranked by typed relationship edges rather than popularity votes.
Is there a machine-readable version of this comparison?
Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, LightRAG or UltraRAG?
LightRAG: Very active. UltraRAG: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
Where are the full trust reports for LightRAG and UltraRAG?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: LightRAG trust report; UltraRAG trust report.

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