What Devin is
Devin is a software-engineering agent (an “AI software engineer”) from Cognition. Cognition introduced it on March 12, 2024 in the blog post “Introducing Devin,” calling it the first AI software engineer: it takes natural-language tasks, plans and executes them on its own, works with an engineer’s tools — shell, code editor, and browser — inside a sandboxed environment, and reports progress while accepting feedback. The product is offered at devin.ai for individual developers and engineering teams.
Uses and boundaries
The official site lists uses across everyday engineering work: code migrations and refactors (including legacy systems), issue triage and bug fixing, PR review and visual QA, documentation, scheduled chores, and running fleets of parallel Devins on multi-week tasks. Access surfaces include the web app at app.devin.ai, tagging Devin inside Slack and Teams, integrations with tools such as GitHub and Linear, a CLI, and an API; the session Workspace documented by the official docs provides an observable Shell, IDE, and Browser you can step into. Pricing is quota-based: a free tier and several paid subscription tiers exist, with extra usage billed at API rates — current tiers and quotas are on the official pricing page.
On boundaries: Devin executes in its own cloud environment, and its output still needs human review; which repositories, ticketing systems, and chat tools it can reach depends on the integrations you authorize. Compared with coding agents that mostly work in a local terminal, such as Claude Code and Codex, Devin’s differentiator is its independent cloud environment and team integrations; compared with general agents like Manus, it focuses on software engineering.
Discussion in the show
In Weekly #002’s chapter “Grok Bot / Muse: why agents need a cloud computer,” Orange mentioned that Devin had just closed a new funding round at a sharply higher valuation and expected it to move toward the cloud-computer direction; Xiangyang Qiaomu then asked whether Devin was the first agent with a cloud assistant, sparking an on-the-spot debate about whether Devin or Manus came first. The chapter places Devin in the generation of products that “give the agent a computer.” The funding details are the participant’s retelling and have not been confirmed through official channels — rely on company announcements. See the Chinese transcript chapter.
Frequently asked questions
What is Devin, and who built it?
Devin is a software-engineering agent built by Cognition, first shown on March 12, 2024. It plans and completes engineering tasks — code migrations, bug fixes, PR review — in an environment of its own.
How do I use Devin, and where is it?
The main entry point is the web app at app.devin.ai; you can also tag Devin in Slack or Teams, assign work through GitHub or Linear integrations, or use the official CLI and API. See the official documentation.
How much does Devin cost?
There is a free tier plus paid subscription tiers measured in quotas, with overage billed at API rates; current tiers and prices are on the official pricing page.
How is Devin different from Manus or Claude Code?
Devin is a cloud agent for engineering teams with its own execution environment and team integrations; Manus is a general-purpose agent; Claude Code and Codex center on local terminal and editor workflows. Choose by task type and the execution environment you need.
What about Devin’s funding and valuation?
As of September 2026, no company announcement covers the latest round; Orange mentioned in Weekly #002 that Devin had raised a new round at a much higher valuation — a participant’s retelling. Accurate information belongs to Cognition’s official announcements.