Microsoft's assistant, woven through Windows and the Office applications. Its value is less the chat than the fact that it already sees the documents and mail you work in.
Copilot itself is free to use. The paid tier is no longer sold as Copilot Pro but folded into Microsoft 365 Premium, $19.99 a month or $199.99 for the year, which also carries the Office apps.
Both shipped on August 21 in public preview. Mention @GitHub in a channel and the agent triages issues, investigates failures, writes changes in a cloud sandbox and opens a pull request, with the conversation attached. The interesting part is not the capability list, which is familiar, but the room it moved into: the place where work gets discussed rather than written.
GitHubverified
Researchers at Adversa hid a prompt injection as ciphertext with the key next to it. Grok decrypted it in its own sandbox and sent the user's name, location, and chat history to an attacker's server, without a warning and without asking.
Ars Technicaverified
