LiteLLM vs Microsoft Copilot comparison

LiteLLM and Microsoft Copilot compared side by side in AI.

LiteLLM

An open-source AI gateway that combines more than 100 LLM providers into one OpenAI-compatible API and manages keys, budgets and costs

Microsoft's AI assistant built into Windows, Edge and Office

Highlighted rows are where they differ.

Item	LiteLLMVisit site	Microsoft CopilotVisit site
Starting price	FreeNot applicable	≈€8.93+ ($9.99)Official USD price
Free tier	Free	Free plan available
Korean support	Limited	Good
Main models	140+ providers including OpenAI, Anthropic, Google, Azure, Bedrock, 1,800+ models (as stated on the official site), MCP server/agent gateway	OpenAI GPT-5 family (Smart/Think Deeper) GPT-5.5/Claude selectable for business MAI in-house models (image/voice)
Pricing type	Free, Quote/Enterprise Contract	-
Type	AI apps	AI services
Category	API Aggregator, Developer Tools	Chatbot/Assistant, Writing/Productivity
Company	United StatesBerriAI (Berrie AI Incorporated)	United StatesMicrosoft
Plans	Open Source $0 (self-hosted) Enterprise annual quote (30-day free trial key)	Free M365 Personal $9.99 Family $12.99 Premium $19.99 Pro $99.99 For business: Copilot Business $21 (annual), Enterprise $30 (annual)
Pros	Free open-source self-hosting Virtual keys/per-team budgets/rate limits Fallbacks/load balancing/cost-based routing Usage cost tracking Guardrails such as PII masking	Works directly with Windows, Word and Excel Latest-level models available for free
Cons	You must install and operate it yourself (no official hosting) SSO, audit logs and similar are paid Enterprise features Model usage fees are paid separately to each provider	Office integration features need a Microsoft 365 subscription Weak personality as a standalone chatbot

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,324.45 (2026-10-23). Original price shown in brackets. Taxes as listed by each provider.