AI tools·Chat models·Global
Microsoft Copilot
Microsoft's fleet-wide assistant bringing GPT into Windows, Office and the browser.
Compiled through 2026-09
- Vendor
- Microsoft / OpenAI
- Started
- 2023
- China availability
- Overseas accessRequires overseas network access
- Pricing tier
- Free tier
- Current flagship
- GPT-4o / o-series powered Copilot suite
- Website
- copilot.microsoft.com
Evaluation, Pros & Cons
Editorial score based on public benchmarks and community feedback — not a third-party benchmark result
Key Advantages
- Deeply embedded in Windows, Office, Teams and GitHub for seamless workplace context
- Bing-backed realtime search with cited answers out of the box
Limitations & Caveats
- Free tier is rate-limited; full capability needs M365 subscriptions
- Official endpoints are unreachable from China and mainland features differ
Overview
Debuted with Bing and Edge in early 2023, Copilot grew into four lines—consumer, Microsoft 365, GitHub and Security. Its moat is distribution rather than models: GPT-4o and reasoners embedded in the taskbar, Word sidebar and Teams meetings of a billion users, backed by live Bing search.
Direction
Microsoft is pushing cross-app memory and agentic orchestration, and moving reasoning models into the free tier.
Version history
Mar 2026
LatestAgent Mode rollout
Multi-step cross-app execution goes GA.
Nov 2024
Copilot Vision / Pages
Screen awareness and editable long docs.
Dec 2023
Copilot rebrand
Bing Chat becomes the standalone Copilot app.
Mar 2023
M365 Copilot
Embedded across Word, Excel and Teams.
Feb 2023
Bing Chat launch
GPT-4 powered conversational search.