LlamaIndex vs Zep
Side-by-side comparison built from DeepYard's structured catalog. Content updated Aug 21, 2026.
Direct Answer
LlamaIndex suits teams needing open-source access, data framework focus, and 51,792 GitHub stars in current listing data. Zep suits teams needing freemium $29/mo, memory focus, and 4,857 GitHub stars in current listing data. This summary reflects catalog metadata only for decision support, not independent testing.
What this comparison weighs
- Pricing and free-tier availability
- License model and deployment fit
- GitHub adoption and contributor depth
- Catalog tags, integrations, and supported workflows
| Metric | LlamaIndex | Zep |
|---|---|---|
| GitHub Stars | 51.8K | 4.9K |
| Contributors | 475 | 18 |
| Last Commit | Aug 20, 2026 | Aug 19, 2026 |
| Open Issues | 651 | 23 |
| License | open-source | open-source |
| Pricing | open-source | freemium |
| Free Tier | Yes | Yes |
| Category | dev-tools | dev-tools |
| Trending | No | No |
Choose LlamaIndex if you need
- • LlamaIndex stands out for Data Framework workflows that are not listed for Zep.
- • LlamaIndex is the stronger pick when Gemini matters because that capability is listed only on its profile.
- • LlamaIndex shows broader GitHub adoption with 51,792 stars versus 4,857 for Zep.
Choose Zep if you need
- • Zep stands out for Memory workflows that are not listed for LlamaIndex.
- • Zep is the stronger pick when Langchain matters because that capability is listed only on its profile.
- • Zep is the cleaner fit if you specifically need Memory workflows from the catalog tags.
Meaningful differences
- • Pricing model: LlamaIndex is listed as open-source, while Zep is listed as freemium from $29/mo.
- • Workflow emphasis: LlamaIndex highlights Data Framework, while Zep highlights Memory.
- • GitHub adoption: LlamaIndex shows 51,792 stars versus 4,857 for Zep.
- • Contributor count: LlamaIndex lists 475 contributors and Zep lists 18.
Shared capabilities
- • Agents
- • Open Source
- • Openai
- • Anthropic
Shared Tags
Only in LlamaIndex
Only in Zep
Limitations and evidence
- • DeepYard compares structured public metadata; this is not an independent benchmark unless a test record is shown.
- • Signals such as stars, contributors, and last commit indicate public activity, not purchase fit or runtime quality.
- • Pricing and feature coverage reflect the stored listing snapshot and may lag vendor changes between refreshes.
About LlamaIndex
LlamaIndex is the leading data framework for building LLM-powered applications. Provides data connectors for 160+ sources, advanced RAG pipelines, document agents, and a workflow engine for complex agentic applications. The standard for connecting LLMs to your data.
View full listingAbout Zep
Zep is an open-source long-term memory store designed specifically for AI assistants and agents. It ingests conversation histories and documents, builds a persistent knowledge graph of entities and relationships, and serves relevant context back to the model at inference time. Zep automatically handles memory summarization, fact extraction, and temporal reasoning — enabling agents that remain coherent and personalized across thousands of interactions.
View full listing