Perplexity Computer and Grok Build: agents that research, code and act

These products aim to complete a mission rather than answer one question. They may prepare reports, manipulate files, search sources or create an application. Their value depends on visible steps, limited permissions and easy human intervention.

The useful question is not whether the announcement looks impressive. It is whether the feature improves a real task, saves time after review, fits the budget and keeps important decisions under human control.

Perplexity introduced Personal Computer on May 7, 2026 as a persistent assistant with broader context, tools and tasks, complementing its Computer approach to multi-step work.

xAI introduced Grok Build on May 25, 2026 as a software-building agent designed to move from an idea toward a working product.

• 1Research several sources and organize evidence into a deliverable.
• 2Complete a sequence of tool-assisted steps.
• 3Create an early application from a brief.
• 4Analyze an existing project before proposing changes.
• 5Maintain more persistent work context.
• 6Prepare tables, documents and summaries from research.

A feature becomes valuable when it fits a repeatable workflow. These examples show the difference between a polished demo and work that can be used every week.

• 1A consultant requests a market map, source list, comparison table and presentation.
• 2A founder describes a simple internal tool and receives a prototype for team testing.
• 3A developer asks an agent to reproduce a bug, create tests and propose a fix.
• 4A researcher organizes recurring monitoring without rebuilding every step.

• 1Professionals conducting structured web research.
• 2Developers, makers and founders prototyping products.
• 3Analysts producing recurring deliverables.
• 4Teams able to review sources, code and actions.

Official announcements naturally show the strongest use cases. Before adopting the feature, check availability, privacy, reliability, total review time and the actions the system is allowed to take.

• 1An agent can select a weak source and build the rest of the work on it.
• 2A fast prototype is not automatically secure, accessible or maintainable.
• 3File, account and external-service permissions should remain minimal.
• 4Costs can rise when many searches and tool calls are executed.
• 5Persistent context requires privacy and deletion controls.

• 1Use a non-critical project or prototype.
• 2Request a detailed plan before execution.
• 3Limit accessible tools and accounts.
• 4Require sources, changed files and test results.
• 5Ask a qualified person to review the deliverable.
• 6Compare total time with the existing method.

Agents will make production faster while moving work toward problem definition, supervision and review.

The strongest products may not be those that act the most, but those that make actions understandable, reversible and controllable.

This article is based on official announcements and documentation available on the publication date. Features, pricing and availability may change after publication.