LlamaIndex
LlamaIndex: A developer-focused framework for building data-connected, multi-agent AI systems. Ranked #16 of 41 in AI Agent Platforms by our editors (7.9/10); pricing: Free plan; best for developers building data-connected agent systems.
At a glance
- Editor score7.9 / 10
- PricingFree plan
- Best forDevelopers building data-connected agent systems
- Free planYes
- Paid from$50/mo
- Deployment modelBoth
- Facts checked21 Sep 2026
Where it wins
- Supports tools, memory, RAG, workflows, and multi-agent handoffs
- Connects with major models, vector stores, and data systems
- Offers Python and TypeScript SDKs plus self-hosted deployment
Where it doesn't
- Requires developer expertise to assemble and operate agent systems
- Hosted document processing is a separate paid service layer
- Pricing is credit-based, which can complicate usage planning
Our verdict on LlamaIndex
LlamaIndex is an open-source framework for developers building AI agents and applications over private or connected data. Its scope covers tool selection, iterative task execution, memory, state management, retrieval-augmented generation, document ingestion, structured extraction, workflow orchestration, and multi-agent coordination. Python and TypeScript SDKs are available, making it a fit for teams that want to build agent systems in code rather than start with a narrowly defined end-user application. It supports both API and self-hosted deployment, while LlamaParse and LlamaCloud provide hosted document-processing capabilities.
The published plans show a freemium structure for hosted document processing. Free includes 10K credits, 100 users, and basic support. Starter costs $50 per month and includes 40K credits, pay-as-you-go access up to 400K credits, 100 users, and basic support. Pro costs $500 per month and includes 400K credits, pay-as-you-go access, 100 users, and priority Slack support. Enterprise adds volume discounts on credits, 5x higher rate limits, enterprise SSO, SaaS or hybrid cloud deployment, and a dedicated account manager. The framework itself remains open source, so teams can separate software adoption from hosted-service spending.
Its strongest fit is data-connected agent development. Integrations span OpenAI, Anthropic, Google Gemini, Azure OpenAI, Ollama, Pinecone, Qdrant, and Weaviate, alongside broader connectors for models, embeddings, retrievers, and vector stores. Model Context Protocol tools and servers, human confirmation events, and event-driven workflows add options for systems that need controlled execution or multiple cooperating agents. Teams seeking a code-first foundation with broad retrieval and orchestration features should consider LlamaIndex. Those wanting a packaged, low-code agent application may prefer a more opinionated product.
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LlamaIndex pricing
All 4 LlamaIndex plans and prices →
LlamaIndex fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $50/mo |
| Deployment model | Both |
| Visual agent builder | Not verified |
| Multi-agent support | Yes |
| Knowledge grounding | Yes |
| Voice agent support | Not verified |
| Human handoff | Yes |
| Deployment | Cloud, Self-hosted |
| Compliance & security | SOC 2, GDPR, HIPAA |
| Support | Community, Docs, Live chat |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 8 integrations: OpenAI, Anthropic, Google Gemini, Azure OpenAI, Ollama, Pinecone … |
| Pricing | Free plan (source) |
| Website | llamaindex.ai |
| Facts checked | 21 Sep 2026 |
LlamaIndex integrations
LlamaIndex lists 8 integrations on its own site.
- OpenAI
- Anthropic
- Google Gemini
- Azure OpenAI
- Ollama
- Pinecone
- Qdrant
- Weaviate
Alternatives to LlamaIndex
- UiPath Agentic AutomationA governed platform for coordinating agents, robots, APIs, workflows, and people.9.4
- Workato AgenticA governed low-code platform for connecting AI agents to business systems and workflows.9.3
- StackAIA broad agent platform for enterprise workflows, governance, and private deployment.9.2
See all LlamaIndex alternatives →
Also Ranked In
LlamaIndex is ranked in 6 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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