Headquarters
San Francisco, CAFounded
2022CEO / Founder
Jerry LiuEmployees
11-50Funding
Series A — $18.7MProducts
1 product listedAvg. AI Score
7.9/10Website
llamaindex.ai/Profile updated
LlamaIndex is a San Francisco-based company that develops a data framework and agent platform for building AI-powered applications over unstructured enterprise data. The company was founded in 2022 by Jerry Liu and Simon Suo, initially releasing the project as GPT Index before rebranding to LlamaIndex. It incorporated as LlamaIndex Inc. in 2023.
The company's core open-source framework provides tooling for document ingestion, parsing, indexing, and retrieval-augmented generation (RAG), enabling developers to connect large language models to proprietary data sources. Its commercial product, LlamaCloud, offers managed document parsing and data pipeline services. LlamaParse, a document parsing service within LlamaCloud, handles complex document formats including PDFs with tables and figures. The framework has been widely adopted by developers building enterprise AI applications across industries including finance, legal, and healthcare.
LlamaIndex raised a $8.5M seed round in 2023 led by Greylock Partners, followed by a $10.2M Series A in 2024. The company's open-source repository on GitHub has accumulated tens of thousands of stars and a broad contributor base. As of 2024, the company employs approximately 20 to 40 people.
Dated, source-cited figures. Estimates are marked.
All products by LlamaIndex Inc. reviewed by our AI panel of experts.
Six independent reviewer personalities assessed LlamaIndex Inc.'s product on their own terms. They disagreed by 1.0 points — The Finance Lead was the hardest to convince, The Decision Maker the most positive.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who LlamaIndex Inc. competes with, and how they differ.
LangChain offers a broader, more general-purpose framework for chaining LLM calls, tools, and agents across many use cases, while LlamaIndex focuses more narrowly on data ingestion, indexing, and retrieval for enterprise documents, backed by its own LlamaParse parsing product.
2 products reviewed on TopReviewedUnstructured focuses narrowly on parsing and partitioning unstructured documents into structured data via an open-source library and API, competing directly with LlamaIndex's LlamaParse product but without LlamaIndex's broader indexing, retrieval, and agent framework.
1 product reviewed on TopReviewedReducto is a document ingestion and parsing infrastructure specialist that competes head-on with LlamaParse for accurate PDF-to-structured-data extraction, but does not offer LlamaIndex's wider indexing/retrieval framework or agent orchestration tools.
1 product reviewed on TopReviewedCrewAI is a dedicated multi-agent orchestration framework built around role-based "crews" of agents, competing with LlamaIndex's Workflows/llama-agents offering for building production multi-agent systems, though it lacks LlamaIndex's document-parsing and indexing roots.
1 product reviewed on TopReviewedKey milestones in LlamaIndex Inc.'s history, with sources.
Minority investment from Databricks and KPMG
Databricks and KPMG made minority equity investments in LlamaIndex to accelerate development of its agentic document workflow platform; amount undisclosed.
llamaindex.aiSeries A — $19M led by Norwest Venture Partners
LlamaIndex raised a $19M Series A led by Norwest Venture Partners with participation from existing investor Greylock, bringing total disclosed funding to $27.5M; announced alongside LlamaCloud and LlamaParse reaching general availability.
llamaindex.aiLlamaExtract launched
LlamaIndex introduced LlamaExtract, a tool for structured data extraction from documents in a few clicks.
llamaindex.aillama-agents framework introduced
LlamaIndex released llama-agents, an open-source, event-driven framework for building and deploying production multi-agent AI systems.
llamaindex.aiLlamaCloud and LlamaParse launched
LlamaIndex launched LlamaParse, a GenAI-native document parsing service for complex PDFs, and LlamaCloud, a managed data ingestion and retrieval platform, with launch partners including DataStax, MongoDB, Qdrant, and NVIDIA.
llamaindex.aiSeed funding — $8.5M led by Greylock
LlamaIndex raised $8.5M in seed funding led by Greylock Partners, with participation from angel investors including Jack Altman, Lenny Rachitsky, and Charles Xie, TechCrunch reported.
techcrunch.comRebranded from GPT Index to LlamaIndex
The open-source project, formally incorporated as a company in April 2023, dropped the original "GPT Index" name for "LlamaIndex" as it broadened beyond GPT-specific use cases.
en.wikipedia.orgFirst public release of GPT Index (LlamaIndex's original name)
Jerry Liu published version 0.0.4 of "GPT Index" to PyPI, the open-source project for connecting LLMs to private data that would later become LlamaIndex.
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