Devin

advancedspreading

Devin is Cognition's coding agent, which independently plans, writes, tests, and then hands over a software development task to a human for review.

In plain terms

Devin is an AI-powered 'software development colleague.' It does not work under a programmer like a smart text completer; instead, it receives entire tasks, such as 'fix this bug' or 'rewrite this module for the new system.'

It is like a remote-working intern to whom you assign work via message. They sit down, research, write, test, and at the end say: please review. Meanwhile, you do not need to stand over their shoulder, but you must approve the result.

It became known in 2024 when its creators presented it as the "first AI software engineer." With this coding agent, the technology moved from professional circles into the news, sparking debate over how much we can trust a machine working independently.

It differs from a traditional chatbot in that it not only gives advice but also acts. It runs commands, edits files, and opens websites in its own, isolated work environment.

How it works

It receives tasks phrased in everyday language, typically via a chat interface, the team's messaging app, or the issue-tracking system.
It creates a plan: breaks work into steps and reviews existing code to determine what needs modification.
It runs on an isolated virtual machine in the cloud, equipped with its own code editor, command line, and browser, where it writes and executes code.
It runs tests, reads error messages, and keeps fixing until the solution works or until it gets stuck and asks for help.
It submits the finished work as a modification proposal, which a human developer reviews, rejects, or integrates into the shared code.

An everyday example

A web shop development team assigns Devin in the evening to update outdated program libraries on the payment page. By morning, a ready modification proposal with test results awaits them. As a shopper, you only see that the page continues to function, while the team has time for other development.

Who is affected

developerYou can hand over part of routine bug fixing and maintenance to it, shifting your work toward task assignment, review, and planning. → Code

entrepreneur, executiveYou must decide which development tasks are worth entrusting to an agent and who is responsible for the quality of the code written by the machine.

jobseeker, new graduateIt performs exactly those smaller tasks on which beginner programmers used to practice their trade. → Work & HR

A common misconception

MythDevin is a full-fledged programmer, eliminating the need for human developers.

In realityStrong in well-defined, verifiable tasks, but often stalls or makes errors in complex or vaguely worded work. A human must assign its work, review it, and approve it.

Limits and risks

Demos are more spectacular than everyday performance: the 2024 launch videos were disputed by many, and in an independent test in early 2025 (Answer.AI), Devin solved only 3 out of 20 tasks well. It has improved since, but still makes mistakes in complex tasks today.
It accesses the company's source code and systems, so you must carefully configure what it can see and modify.
Code that appears to work may still hide bugs or security vulnerabilities, so human review cannot be skipped.
The price depends largely on the computing time used, so a poorly phrased task can cost a lot of money without results.

Similar, but not the same

Code completion assistant (e.g., the original form of GitHub Copilot) – Code-completion tools suggest lines while the programmer types, whereas Devin carries out the entire task independently. GitHub Copilot has since added its own agent mode, so the boundary is no longer sharp.
chatbot – A chatbot provides text responses, while Devin runs programs and modifies files within its own working environment.
Claude Code – Claude Code originally works on the developer's own machine in dialogue with them, while Devin operates from the start in the cloud, in the background, on assigned tasks. The difference is narrowing because Claude Code can now also perform background tasks running in the cloud.

Related concepts

Broader

AI-agent, coding agent, autonomous agent

Narrower

–

On the edge

Claude Code, GitHub Copilot, Cursor, SWE-bench, Vibe coding

A brief history

Devin was introduced by the American startup Cognition in March 2024 with the slogan 'the first AI software engineer.' It became widely available by subscription in December 2024, at the time for $500 a month. In April 2025, it got a much cheaper entry-level plan, and in July 2025 Cognition acquired Windsurf, the company behind an AI-based code editor.

Where things stand

At the end of 2026, Devin is a paid, commercial product used mainly by software companies and large corporate development teams for maintenance and migration tasks. Competition is strong, because the major AI companies have meanwhile released their own coding agents.

Status: 2026 November

In the news

Appears in 90 Agent Age stories; the curve shows weekly occurrence in the news magazine.

AI coding agents still need human rework on three-quarters of tasksNov 8, 2026 · Code
AWS launches Kiro bots to coordinate AI coding agentsNov 5, 2026 · Code
Meta acquires AI coding startup ConductorNov 4, 2026 · Code
Cognition launches SWE-2 Flash to make coding agents cheaper and fasterNov 4, 2026 · Code
AI coding agents are installing MCP servers that will never be patchedNov 3, 2026 · Code
Coding agents get spending limits as Cognition adds hierarchical budgets to DevinNov 2, 2026 · Code
Android Studio opens to any AI coding agent, ending Gemini exclusivityNov 2, 2026 · Code
DeepSeek unveils proactive coding agent prototype to challenge AnthropicOct 31, 2026 · Code

Also known as

Devin · Devin AI · Cognition Devin · Devin (Cognition) · AI software engineer · AI software engineer · coding agent · Coding agent

Sources

This entry was machine-edited and has undergone machine expert review; the “In the news” section updates automatically from Agent Age stories.