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LlamaIndex vs Microsoft 365 Copilot

LlamaIndex helps index your data for LLMs, whereas Copilot already grounds AI in Microsoft data.

Short answer: Pick LlamaIndex if you want agentic OCR for complex docs; pick Microsoft 365 Copilot if you want AI-enhanced productivity inside Microsoft 365. LlamaIndex has a free plan; Microsoft 365 Copilot is paid, with a free trial.

Which to pick

Pick LlamaIndex if you want…

  • Agentic OCR for complex docs
  • Data indexing for LLMs
  • A free plan to start with
  • Open-source code (run-llama/llama_index on GitHub, MIT license)
  • Integrations with Microsoft Azure Marketplace (on LlamaIndex's list, not Microsoft 365 Copilot's)

Pick Microsoft 365 Copilot if you want…

  • AI-enhanced productivity inside Microsoft 365
  • Integrations with Word, Excel or PowerPoint (on Microsoft 365 Copilot's list, not LlamaIndex's)

Side by side

What it is
LlamaIndex:LlamaParse converts complex documents into structured, AI-ready data with agentic OCR and extraction.
Microsoft 365 Copilot:Microsoft 365 Copilot embeds AI assistants into Word, Excel, Outlook, Teams and other Microsoft apps to help create finished work.
Best for
LlamaIndex:Agentic OCR for complex docs
Microsoft 365 Copilot:AI-enhanced productivity inside Microsoft 365
Who it’s for
LlamaIndex:Developers building AI agents and RAG pipelines that need accurate document parsing.
Microsoft 365 Copilot:knowledge workers, teams and enterprises using Microsoft 365.
Pricing
LlamaIndex:Freemium
Microsoft 365 Copilot:Paid
Free plan or trial
LlamaIndex:Free plan (Free)
Microsoft 365 Copilot:Free trial
Plans
LlamaIndex:Free $0
Microsoft 365 Copilot:Business $23.50 per user per month, paid yearl
Open source
LlamaIndex:Yes, 52,381 GitHub stars
Microsoft 365 Copilot:—
Works with
LlamaIndex:Microsoft Azure Marketplace
Microsoft 365 Copilot:Word, Excel, PowerPoint, Outlook, Teams, SharePoint, Loop, OneDrive

LlamaIndex features

  • Agentic OCR. Layout-aware parsing of tables, charts, images and handwriting with high accuracy.
  • Schema-based Extraction. Turn unstructured content into structured JSON using LLM-powered agents without training.
  • Document Splitting & Classification. Automatically segment and categorize documents using natural-language rules.
  • Enterprise Indexing. Chunking and embedding pipeline for precise retrieval in RAG applications.
  • LiteParse Local Engine. Open-source, fast, on-device parsing of PDFs, Office files and images with no cloud limits.
  • Security & Compliance. SOC 2, GDPR, HIPAA compliance with encryption, VPC deployment and granular access controls.

Microsoft 365 Copilot features

  • App-native AI. AI features are built directly into Word, Excel, PowerPoint, Outlook, Teams and more.
  • Work-grounded context. Work IQ grounds responses in your organization’s data, roles and projects.
  • Auto model selection. Automatically chooses the optimal AI model for each request based on accuracy, speed and cost.
  • Agent Builder & Studio. Create custom, work-specific agents with natural language and scale them via Copilot Studio.
  • Copilot Autopilot. An always-on personal agent with memory that can act across apps under organizational guardrails.
  • Secure, enterprise-grade. Built on Microsoft 365 security controls, separating personal and work data.

LlamaIndex vs Microsoft 365 Copilot FAQ

What is the difference between LlamaIndex and Microsoft 365 Copilot?+

LlamaIndex helps index your data for LLMs, whereas Copilot already grounds AI in Microsoft data.

Should I use LlamaIndex or Microsoft 365 Copilot?+

Pick LlamaIndex if you want agentic OCR for complex docs, data indexing for LLMs or a free plan to start with. Pick Microsoft 365 Copilot if you want AI-enhanced productivity inside Microsoft 365 or integrations with Word, Excel or PowerPoint (on Microsoft 365 Copilot's list, not LlamaIndex's).

Is LlamaIndex or Microsoft 365 Copilot free?+

LlamaIndex has a free plan and paid plans. Microsoft 365 Copilot is paid, with a free trial.

Is LlamaIndex or Microsoft 365 Copilot open source?+

LlamaIndex is open source (run-llama/llama_index on GitHub, MIT license). DevHunt has no public source repository on record for Microsoft 365 Copilot.

Do LlamaIndex and Microsoft 365 Copilot integrate with the same tools?+

Their integration lists don't overlap: LlamaIndex lists Microsoft Azure Marketplace; Microsoft 365 Copilot lists Word, Excel, PowerPoint, Outlook and 4 more.

On DevHunt

LlamaIndex

Listed by DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.