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LightRAG Pricing

open sourceopen source · MITlast verified September 6, 2026official site ↗

At a glance

100% free and open-source under the MIT license ($0 software license fee, 15k+★ on GitHub, pip install lightrag-hku). Developed by HKUDS (University of Hong Kong), LightRAG is a fast, dual-level Graph RAG framework combining low-level entity extraction with high-level conceptual summaries. Features 5 query modes (naive, local, global, hybrid, mix) and dynamic incremental updates without full graph rebuilds. Users incur $0 software licensing fees, paying only for their underlying LLM tokens and vector/graph storage infrastructure (e.g., OpenAI, Anthropic, Ollama, Neo4j, Milvus, NanoVectorDB).

Self-hosting cost

LightRAG is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper Agent Frameworks

same category, free plan or open-source license

Grok BotBeta access bundled with eligible SuperGrok Plus ($100/mo), Cursor Pro+ ($60/mo), or Cursor Teams ($40/seat/mo); custom pricing for enterprise deployments.Latitudeopen sourceLatitude is an open-source AI agent observability and evaluation platform under the MIT license. It offers a free self-hosted edition and a free cloud Starter tier (20,000 credits/mo), alongside a Pro plan at $99/month for growing teams and custom Enterprise pricing.Judgevalopen sourceJudgeval is an open-source Python SDK (Apache-2.0) for AI agent evaluation and tracing. Judgment Labs offers hosted enterprise agent behavior monitoring and evaluation platform access via custom quotes.Mem0open sourceOpen-source core (Apache-2.0) with $0 self-hosting. Mem0 Cloud Free includes 10k memories and 1k retrieval calls/month. Starter is $19/mo for 50k memories and 5k retrievals. Pro ($99-$249/mo) unlocks Graph Memory (Mem0ᵍ), memory consolidation, and 500k memories with 50k retrievals. Enterprise provides custom pricing for VPC/on-premise deployment, SOC 2/HIPAA compliance, SAML SSO, and 24/7 SLA.
LightRAG overview →alternatives →review: 83/100 →

FAQ

How much does LightRAG cost?

100% free and open-source under the MIT license ($0 software license fee, 15k+★ on GitHub, pip install lightrag-hku). Developed by HKUDS (University of Hong Kong), LightRAG is a fast, dual-level Graph RAG framework combining low-level entity extraction with high-level conceptual summaries. Features 5 query modes (naive, local, global, hybrid, mix) and dynamic incremental updates without full graph rebuilds. Users incur $0 software licensing fees, paying only for their underlying LLM tokens and vector/graph storage infrastructure (e.g., OpenAI, Anthropic, Ollama, Neo4j, Milvus, NanoVectorDB).

Does LightRAG have a free plan?

Yes — LightRAG is open source and free to use.

Can you self-host LightRAG for free?

LightRAG is open source under the MIT license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper LightRAG alternatives?

Grok Bot, Latitude, Judgeval are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.