Claude 3.5’s new “Computer Use” feature is live: it can look at the screen, click the mouse, and type text—more like a real person.

The most eye-catching part of this Claude 3.5 update is its “Computer Use” capability: it not only chats, but can also understand what’s on the screen and simulate mouse movement, clicks, and keyboard input. For people who need to run workflows, fill out forms, or perform multi-step operations in software, Claude 3.5 is closer to an assistant who can actually do the hands-on work.

What exactly is Claude 3.5’s “Computer Use”?

Claude 3.5 computer use means enabling the model to interact with desktop applications or web interfaces like a human: first identifying elements on the screen, then deciding to move the cursor, click buttons, or enter text. It is not “directly reading your system data”; instead, it executes steps based on the screen images and instructions you provide.

The official release also emphasizes that Claude 3.5’s computer use is still in public beta and may occasionally get stuck, click the wrong thing, or behave inconsistently. Treating it as “semi-automated operation” that can speed things up is more realistic than expecting a flawless end-to-end run every time.

Which tasks will Claude 3.5 speed up noticeably?

When a task requires dozens of repetitive clicks, Claude 3.5’s value becomes more tangible—for example: entering records one by one in an admin system, copying and pasting across pages, downloading/organizing files according to fixed rules, or filling in form fields. As long as UI elements are relatively clear and the workflow is reusable, Claude 3.5 can often turn “manual labor” into a “supervision task.”

For teams, Claude 3.5 is also useful for process validation: have it follow the SOP once to quickly reveal which step is most error-prone, which page’s copy is unclear, or where button guidance is unreasonable.

How to use Claude 3.5 computer use (developer perspective)

At present, Claude 3.5’s computer use capability is mainly aimed at developers, with beta access provided via the API, and it can also be built on Amazon Bedrock and Google Cloud Vertex AI. A common approach is to give Claude 3.5 both the “screenshot/UI state” and the “next-step goal,” and have it output an executable sequence of click and input actions.

In practice, it’s recommended to set clear boundaries for Claude 3.5: which pages it is allowed to operate on, how to handle pop-ups, and requiring a second confirmation before key actions. The more a step involves high-risk actions like payments, order submission, or data deletion, the more you should keep a human confirmation step.

In the same wave of updates: Claude 3.5 Sonnet and Haiku are also stronger

Beyond computer use, Claude 3.5 Sonnet is positioned by the official release as a “stronger software engineering model,” with particular enhancements in coding and tool use. For people who write code daily, fix bugs, or read repositories, more reliable instruction-following and reasoning often matter more than simply being “better at chatting.”

Meanwhile, Claude 3.5 Haiku focuses on being faster and more cost-efficient, making it suitable for high-frequency, user-facing scenarios such as customer support Q&A, lightweight subtasks, and product features that require low-latency responses. The selection logic is simple: choose Claude 3.5 Sonnet for depth and complex tasks; choose Claude 3.5 Haiku for speed and scalability.

Safety and usage reminder: don’t treat Claude 3.5 as “full self-driving”

Anthropic says these updates have undergone safety evaluations and were tested pre-deployment in collaboration with AI safety research institutions in the U.S. and U.K.; it also believes the risk level still fits existing standards. Even so, the essence of Claude 3.5 computer use is the ability to “operate interfaces”—and if you grant overly broad permissions, small mistakes can be amplified into real losses.

A safer approach is: give Claude 3.5 minimal permissions, restrict which sites and apps it can access, keep operation logs, and require human confirmation for critical submissions. Used this way, Claude 3.5 is more like a reliable assistant rather than an uncontrollable automation script.