Claude Code's product lead talks usage limits, transparency, and the "lean harness" - Ars Technica
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SAN FRANCISCO—Amid an ever-expanding array of surfaces, growing demand for tokens and compute, and a rapidly evolving user base, Anthropic doesn’t have a long-term road map for Claude Code. However, it’s betting that such a plan would be rendered moot by improvements in model capabilities and new signals from developers on how best to use it. That’s the takeaway from a 30-minute conversation Ars had with Cat Wu, Anthropic’s head of product for Claude Code.
Last week, in a three-level car rental parking garage meticulously converted into an event space in downtown San Francisco, Anthropic put on its second annual Code with Claude developer conference. As previously reported, the single-day event included a keynote introducing new features for Managed Agents and announcing a compute deal with SpaceX.
That compute deal was accompanied by a doubling of usage limits for Claude Code users on the company’s Pro and Max plans—a response to a lot of user frustration about a compute crunch, especially in recent weeks.
Anthropic’s products—especially Claude Code, its tool for agentic software development—have seen runaway popularity. “We tried to plan very well for a world of 10x growth per year,” Anthropic CEO Dario Amodei said on stage at the conference. “And yet we saw 80x, and so that is the reason we have had difficulties with compute.”
User growth was accompanied by a shift in how people used the company’s models, away from simple chat interfaces to complex, multi-agent workflows that are many times more demanding.
During the crunch, Anthropic has been testing solutions to reduce demand, like enforcing stricter limits during peak hours or removing Claude Code from its cheaper subscription plan.
And over the past year, Anthropic has released a plethora of new features, products, and surfaces for interacting with its models. Claude Code went from the CLI to the IDE to the desktop, and new tools for managing multiple agents were rolled out, too. The pace at which the company has shipped has been intense and chaotic at times.
Meanwhile, competitors like OpenAI’s Codex, GitHub Copilot, the Cursor IDE, Augment Code, and others are rolling out their own new products and features in this space, sometimes with differentiating hooks like more explicit context, which they claim leads to better results or greater efficiency.
At the event, I spoke with Wu about how Anthropic is operating in this context.
As head of product for Claude Code, Wu works closely with its creator, Boris Cherny, to identify which features to prioritize and how the teams at Anthropic test, use, and roll out those features. She does not oversee the models, but the product strategy she describes makes a big bet that the models will continue to improve so rapidly that it’s hard to make a plan for what a product like Claude Code should look like in the future.
As Wu tells it, the Claude Code team is going through development cycles of just a week or so to roll out new products or features in a Wild West of experimentation, discovering new use cases and methodologies.
We discussed user frustrations with usage limits, the role of structured data in making Claude Code work, IDE integration, future capabilities of the tool, and more.
A conversation with Cat Wu
This interview has been edited for length and clarity.
Ars : You’re shipping a lot of things and adding a lot of different surfaces very quickly. There’s the command line, and there’s the IDE integration, there’s the desktop app, and then there’s all this differentiation between Code and Cowork and Managed Agents and so on.
Do you still consider the command line the center of gravity for it? Or do you see people moving more to the desktop or web apps more and more?
Wu : We actually find that every developer has a different preference, so our usage is pretty split between all these. All these have a substantial number of users. I would say the center of gravity is still the CLI. It’s still the one that has the most power-user features, it’s where most of our features land first, and it’s also just the fastest for us to iterate on. It’s also what most of our team uses.
However, we are seeing a gradual shift in our team from the CLI to desktop because maybe last year people had like one agent and then over the course of the year they started having six terminal tabs, and then people started adding fancy ways to monitor a bunch of terminal tabs and get...