Microsoft Copilot
Free Tier AvailableMicrosoft AI assistant integrated across Windows and Office 365.
⚠️ Notice: Pricing, tier limits, and features change frequently. Data verified October 2026. Always confirm live terms on official websites.
| Category | Assistants & LLMs |
|---|---|
| Paid (Pro) Plan Price | From $20.00 / mo (Pro Tier) |
| Basic Free Tier | ✓ Available ($0 Free to start without credit card) |
| Developer API Support | ✗ No direct public API |