LlamaIndex (framework)
Data framework for LLM apps — connectors, indices, query engines, agents, workflows. Memory is one of many subsystems (LlamaIndex Memory cross-listed).
Active · Verified 2026-10-27 · fresh as of 2026-10-27 · 24 cited facts, 4 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Type
- Data framework for LLM apps vendor fix
- Tier
- T1
- Latest release
- v0.14.25 (2026-09-21) registry fix
- Pricing
- searched not found fix
- Funding
- $27M total raised through Series A 2024-06 ($19M, Norwest led; $200M valuation rumored). vendor fix
- Freshness
- 2026-10-27 fix
- Layer
- agent-infra repo fix
- Licensing
- open-source vendor fix
- Accelerator
- aws-genai-accelerator-2025 third-party fix
- SDK languages
- python, typescript third-party fix
- Protocols
- mcp-client, mcp-server vendor fix
- Developer activity
- OpenRank 26.99 (12-mo avg 28.66) · 261 participants — 2026-09 third-party fix
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
$8.5M Series A 2024 (Greylock); $19M total.
Technical surface
- API surface
- searched not found
- Backend storage
- not applicable — not a memory product
- Deployment
- Both (self-hosted + managed cloud) — OSS library; LlamaAgents workflows deploy to LlamaCloud or self-host
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- searched not found
- MCP
- yes — use MCP server tools in workflows and serve LlamaIndex workflows as MCP servers
- A2A
- searched not found
- OpenTelemetry
- searched not found
Compare LlamaIndex (framework) with…
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Similar systems
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Anthropic-introduced open protocol (Nov 2024) for connecting LLMs to data sources and tools. Donated by Anthropic to the Linux Foundation's Agentic AI Foundation (announced 2025-12-09); now governed as Model Context Protocol, a Series of LF Projects, LLC. Supported across Claude, ChatGPT, VS Code, Cursor and many other clients.
- LangChain (framework) T1
Dominant Python/JS framework for LLM apps — tool calling, agents, retrievers, runnables. Memory is one component (LangMem cross-listed); the framework itself is the product.
- Vercel AI SDK T1
Vercel's TypeScript LLM SDK — streaming, tool calls, structured outputs, agents. Dominant framework for Next.js LLM apps.
- OpenAI Agents SDK T1
OpenAI's official Python framework for agents — handoffs, guardrails, tracing built in. Successor to OpenAI Swarm (experimental); officially supported.
- LangGraph (orchestration) T1
LangChain's stateful graph runtime for agents — explicit state, persistence, time-travel debugging, human-in-the-loop. Memory is one persistence target (LangGraph Persistence cross-listed).
- CrewAI T1
Multi-agent framework — Crews (sequential) + Flows (event-driven). Open-source core + CrewAI Enterprise. Memory available via Mem0 / Letta adapters (CrewAI Memory cross-listed).
Sources (23 cited facts, 4 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is Data framework for LLM apps vendor
- What it does & what's distinct Data framework for LLM apps — connectors, indices, query engines, agents, workflows. Mem… vendor
- Claims / benefits $8.5M Series A 2024 (Greylock); $19M total. vendor
- Created 2022 repo
- Latest release v0.14.25 (2026-09-21) registry
- License MIT vendor
- GitHub run-llama/llama_index — ~53k stars, last commit 2026-10 repo
- Funding $27M total raised through Series A 2024-06 ($19M, Norwest led; $200M valuation rumored). vendor
- Customers / scale KPMG, Salesforce, NVIDIA, Cisco; widely used for RAG + agent workflows. vendor
- Deployment Both (self-hosted + managed cloud) — OSS library; LlamaAgents workflows deploy to LlamaC… vendor
- HQ San Francisco, CA, USA. third-party
- Founders / pedigree Jerry Liu (CEO), Simon Suo; founded 2022 (originally GPT Index OSS). vendor
- Code/weights release Active — last commit 2026-05 · 49,361★ repo
- MCP support yes — use MCP server tools in workflows and serve LlamaIndex workflows as MCP servers vendor
- Runtimes Python, TypeScript registry
- adoption-accelerator aws-genai-accelerator-2025 third-party
- architecture-deployment-locus local repo
- licensing-bucket open-source vendor
- positioning-platform-vs-product platform repo
- taxonomy-three-layer-rollup agent-infra repo
- developer-activity-opendigger {"activity":548.37,"as_of":"2026-09","openrank_12mo":28.66,"openrank_current":26.99,"par… third-party
- sdk-languages python,typescript third-party
- protocol-support mcp-client,mcp-server vendor
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
- 2026-10-27
- Latest release first recorded as “v0.14.25 (2026-09-21)” source
- Deployment first recorded as “Both (self-hosted + managed cloud) — OSS library; LlamaAgents workflows deploy to LlamaCloud or self-host” source
- MCP support first recorded as “yes — use MCP server tools in workflows and serve LlamaIndex workflows as MCP servers” source
Related systems
References (77)
- 01.AI Yi family integrates with — LlamaIndex has an official LLM integration package llama-index-llms-yi in its repo. (verified 2026-10-29)
- Activeloop Deep Lake integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-deeplake in its repo. (verified 2026-10-29)
- Amazon Neptune Analytics integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-neptune in its repo. (verified 2026-10-29)
- Anthropic Claude (foundation models) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-anthropic in its repo. (verified 2026-10-29)
- Anyscale integrates with — LlamaIndex has an official LLM integration package llama-index-llms-anyscale in its repo. (verified 2026-10-29)
- ArangoDB integrates with — LlamaIndex has an official data reader integration package llama-index-readers-arango-db in its repo. (verified 2026-10-29)
- Argilla integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-argilla in its repo. (verified 2026-10-29)
- Arize Phoenix integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-arize-phoenix in its repo. (verified 2026-10-29)
- AWS Bedrock AgentCore Memory integrates with — LlamaIndex has an official memory integration package llama-index-memory-bedrock-agentcore in its repo. (verified 2026-10-29)
- AWS SageMaker integrates with — LlamaIndex has an official LLM integration package llama-index-llms-sagemaker-endpoint in its repo. (verified 2026-10-29)
- Baseten integrates with — LlamaIndex has an official LLM integration package llama-index-llms-baseten in its repo. (verified 2026-10-29)
- Bedrock AgentCore (AWS) integrates with — LlamaIndex has an official tool integration package llama-index-tools-aws-bedrock-agentcore in its repo. (verified 2026-10-29)
- Chroma integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-chroma in its repo. (verified 2026-10-29)
- Cognee integrates with — LlamaIndex has an official graph RAG integration package llama-index-graph-rag-cognee in its repo. (verified 2026-10-29)
- Cohere Command R+ / Command A integrates with — LlamaIndex has an official LLM integration package llama-index-llms-cohere in its repo. (verified 2026-10-29)
- Cohere Embed integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-cohere in its repo. (verified 2026-10-29)
- Comet ML integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-opik in its repo. (verified 2026-10-29)
- Databricks Vector Search (now Databricks AI Search) integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-databricks in its repo. (verified 2026-10-29)
- DBOS integrates with — LlamaIndex Workflows docs have a DBOS Durable Execution page. (verified 2026-10-29)
- DeepSeek R1 / V3 family integrates with — LlamaIndex has an official LLM integration package llama-index-llms-deepseek in its repo. (verified 2026-10-29)
- Elasticsearch integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-elasticsearch in its repo. (verified 2026-10-29)
- ElevenLabs Conversational AI (now ElevenAgents) integrates with — LlamaIndex has an official voice agent integration package llama-index-voice-agents-elevenlabs in its repo. (verified 2026-10-29)
- FalkorDB integrates with — LlamaIndex has an official graph store integration package llama-index-graph-stores-falkordb in its repo. (verified 2026-10-29)
- Fireworks AI integrates with — LlamaIndex has an official LLM integration package llama-index-llms-fireworks in its repo. (verified 2026-10-29)
- Google Gemini 3 family integrates with — LlamaIndex has an official LLM integration package llama-index-llms-google-genai in its repo. (verified 2026-10-29)
- Helicone integrates with — LlamaIndex has an official LLM integration package llama-index-llms-helicone in its repo. (verified 2026-10-29)
- HoneyHive integrates with — LlamaIndex observability module guide has a HoneyHive section. (verified 2026-10-29)
- Hugging Face Inference API (Embeddings) integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-huggingface-api in its repo. (verified 2026-10-29)
- Jamba (AI21 Labs) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-ai21 in its repo. (verified 2026-10-29)
- Jina AI Embeddings integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-jinaai in its repo. (verified 2026-10-29)
- LanceDB integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-lancedb in its repo. (verified 2026-10-29)
- LangChain (framework) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-langchain in its repo. (verified 2026-10-29)
- Langfuse integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-langfuse in its repo. (verified 2026-10-29)
- LiteLLM integrates with — LlamaIndex has an official LLM integration package llama-index-llms-litellm in its repo. (verified 2026-10-29)
- Marvin integrates with — LlamaIndex has an official extractor integration package llama-index-extractors-marvin in its repo. (verified 2026-10-29)
- Mem0 integrates with — LlamaIndex has an official memory integration package llama-index-memory-mem0 in its repo. (verified 2026-10-29)
- Memgraph integrates with — LlamaIndex has an official graph store integration package llama-index-graph-stores-memgraph in its repo. (verified 2026-10-29)
- Meta Llama 4 family integrates with — LlamaIndex has an official LLM integration package llama-index-llms-meta in its repo. (verified 2026-10-29)
- Milvus integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-milvus in its repo. (verified 2026-10-29)
- Mistral Embed integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-mistralai in its repo. (verified 2026-10-29)
- Mistral Large 2 / Mixtral family integrates with — LlamaIndex has an official LLM integration package llama-index-llms-mistralai in its repo. (verified 2026-10-29)
- Mixedbread AI integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-mixedbreadai in its repo. (verified 2026-10-29)
- Model Context Protocol (MCP spec) integrates with — LlamaIndex has an official tool integration package llama-index-tools-mcp in its repo. (verified 2026-10-29)
- MongoDB Atlas Vector Search integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-mongodb in its repo. (verified 2026-10-29)
- MultiOn (now AGI, Inc.) integrates with — LlamaIndex has an official tool integration package llama-index-tools-multion in its repo. (verified 2026-10-29)
- NebulaGraph integrates with — LlamaIndex has an official graph store integration package llama-index-graph-stores-nebula in its repo. (verified 2026-10-29)
- Neo4j integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-neo4jvector in its repo. (verified 2026-10-29)
- Nomic Embed integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-nomic in its repo. (verified 2026-10-29)
- OctoAI (now NVIDIA) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-octoai in its repo. (verified 2026-10-29)
- OpenAI Embeddings integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-openai in its repo. (verified 2026-10-29)
- OpenAI GPT family (GPT-5 / GPT-4o / o3 / o4) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-azure-openai in its repo. (verified 2026-10-29)
- OpenAI Realtime API integrates with — LlamaIndex has an official voice agent integration package llama-index-voice-agents-openai in its repo. (verified 2026-10-29)
- OpenInference integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-openinference in its repo. (verified 2026-10-29)
- OpenRouter integrates with — LlamaIndex has an official LLM integration package llama-index-llms-openrouter in its repo. (verified 2026-10-29)
- OpenSearch integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-opensearch in its repo. (verified 2026-10-29)
- pgvector integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-postgres in its repo. (verified 2026-10-29)
- Pinecone integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-pinecone in its repo. (verified 2026-10-29)
- Portkey AI integrates with — LlamaIndex has an official LLM integration package llama-index-llms-portkey in its repo. (verified 2026-10-29)
- PromptLayer integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-promptlayer in its repo. (verified 2026-10-29)
- Qdrant integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-qdrant in its repo. (verified 2026-10-29)
- Reka Core / Flash / Edge integrates with — LlamaIndex has an official LLM integration package llama-index-llms-reka in its repo. (verified 2026-10-29)
- Replicate integrates with — LlamaIndex has an official LLM integration package llama-index-llms-replicate in its repo. (verified 2026-10-29)
- Screenpipe integrates with — LlamaIndex has an official data reader integration package llama-index-readers-screenpipe in its repo. (verified 2026-10-29)
- SGLang integrates with — LlamaIndex has an official LLM integration package llama-index-llms-sglang in its repo. (verified 2026-10-29)
- Steamship integrates with — LlamaIndex has an official data reader integration package llama-index-readers-steamship in its repo. (verified 2026-10-29)
- Supabase Vector integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-supabase in its repo. (verified 2026-10-29)
- TensorRT-LLM integrates with — LlamaIndex has an official LLM integration package llama-index-llms-nvidia-tensorrt in its repo. (verified 2026-10-29)
- Text Generation Inference (TGI) integrates with — LlamaIndex has an official LLM integration package llama-index-llms-text-generation-inference in its repo. (verified 2026-10-29)
- Together AI integrates with — LlamaIndex has an official LLM integration package llama-index-llms-together in its repo. (verified 2026-10-29)
- Typesense integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-typesense in its repo. (verified 2026-10-29)
- Vercel AI Gateway integrates with — LlamaIndex has a Vercel AI Gateway LLM integration page. (verified 2026-10-29)
- Vespa integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-vespa in its repo. (verified 2026-10-29)
- vLLM integrates with — LlamaIndex has an official LLM integration package llama-index-llms-vllm in its repo. (verified 2026-10-29)
- Voyage AI (MongoDB) integrates with — LlamaIndex has an official embeddings integration package llama-index-embeddings-voyageai in its repo. (verified 2026-10-29)
- Weaviate integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-weaviate in its repo. (verified 2026-10-29)
- Weights & Biases integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-wandb in its repo. (verified 2026-10-29)
- Zep & Graphiti integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-zep in its repo. (verified 2026-10-29)
Referenced by (35)
- AgentOps integrates with — AgentOps docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Arize Phoenix integrates with — Arize Phoenix docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Auth0 for AI Agents integrates with — Auth0 for AI Agents docs have a LlamaIndex SDK page. (verified 2026-10-29)
- Braintrust integrates with — Braintrust docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Chroma integrates with — Chroma's docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Comet ML integrates with — Comet's Opik docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Composio integrates with — Composio's SDKs and frameworks page lists a LlamaIndex (framework) provider. (verified 2026-10-29)
- CrewAI integrates with — CrewAI docs have a LlamaIndexTool adapter page. (verified 2026-10-29)
- DBOS integrates with — DBOS integrations docs have a LlamaIndex (Workflows) page. (verified 2026-10-29)
- Elasticsearch integrates with — Elastic Search Labs has a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Fireworks AI integrates with — Fireworks AI docs integration: LlamaIndex. (verified 2026-10-29)
- Guardrails AI integrates with — Guardrails AI docs have a LlamaIndex integration page. (verified 2026-10-29)
- Helicone integrates with — Helicone docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- HoneyHive integrates with — HoneyHive integrations docs have a LlamaIndex tracing/integration page. (verified 2026-10-29)
- IBM ContextForge MCP Gateway integrates with — IBM ContextForge docs have a LlamaIndex integration page. (verified 2026-10-29)
- LanceDB integrates with — LanceDB's docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Langfuse integrates with — Langfuse's integrations directory has a LlamaIndex (framework) integration page. (verified 2026-10-29)
- LlamaIndex Memory depends on at runtime — adjacent-infrastructure cell: requires LlamaIndex; BYO LLM + vector store
- Mem0 integrates with — Mem0 docs have a LlamaIndex integration page (Use Mem0 as a memory store in LlamaIndex with support for ReAct and FunctionCalling agent types). (verified 2026-10-29)
- Milvus integrates with — Milvus's integrations overview lists a Milvus + LlamaIndex (framework) integration tutorial. (verified 2026-10-29)
- MongoDB Atlas Vector Search integrates with — MongoDB's Atlas AI Integrations page lists LlamaIndex (framework) as an integration (some entries are marked community-maintained). (verified 2026-10-29)
- Neo4j integrates with — Neo4j's GenAI ecosystem docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- OpenInference integrates with — The OpenInference repo README lists an OpenInference instrumentation package for LlamaIndex (framework). (verified 2026-10-29)
- OpenLLMetry (Traceloop) integrates with — OpenLLMetry's What's Supported page lists LlamaIndex (framework) as instrumented out of the box. (verified 2026-10-29)
- Phidata (now Agno) integrates with — Agno ships a llamaindex vector DB integration module (agno.vectordb.llamaindex). (verified 2026-10-29)
- Pinecone integrates with — Pinecone's integrations directory has a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Portkey AI integrates with — Portkey docs have a Llama Agents by Llamaindex agent framework integration page. (verified 2026-10-29)
- Pydantic Logfire integrates with — Pydantic Logfire integrations docs have a LlamaIndex page. (verified 2026-10-29)
- Qdrant integrates with — Qdrant's documentation has a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Supabase Vector integrates with — Supabase's AI & Vectors docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)
- Together AI integrates with — Together AI docs third-party/agent integrations: LlamaIndex. (verified 2026-10-29)
- Vercel AI Gateway integrates with — Vercel AI Gateway docs have a LlamaIndex framework integration page. (verified 2026-10-29)
- Vercel AI SDK integrates with — AI SDK docs have a LlamaIndex adapter page. (verified 2026-10-29)
- Weaviate integrates with — Weaviate's integrations / model-provider docs list LlamaIndex (framework) as an integration. (verified 2026-10-29)
- Weights & Biases integrates with — W&B Weave docs have a LlamaIndex (framework) integration page. (verified 2026-10-29)