Cosine AI

Hand off a ticket and get back tested code changes: that is the job Cosine AI is built around. Cosine AI is an AI developer platform that automates software development workflows through an autonomous AI engineer called Genie 2.

Genie is trained to reason the way a human engineer would.

It finds the relevant context in a codebase, makes the code changes, tests them, and commits the result.

Genie connects to Jira, Linear and Slack, so tasks can start from the tools your team already uses, and it can run them without someone steering each step.

It also supports real-time collaborative coding when you want to work alongside it instead of delegating completely.

The idea is closer to an AI agent that owns a task than to an autocomplete-style code assistant.

That is handy for teams with a backlog of well-defined tickets.

Expect to review what it commits, as you would with any junior contributor.

The tool is listed under AI code generator and AI developer tools.