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WPS AI Gets Smarter: DeepSeek V4 Pro Brings Million-Token Context to Office Tasks

If you've ever wished your office software could just get your workflow, Kingsoft Office might have just taken a big step in that direction. On August 14, 2026, the company announced that its AI assistant, Lingxi Professional Edition, has officially integrated DeepSeek's latest flagship model, the V4-Pro General Version (V4-Pro-0813). The best part? You don't need to fiddle with any settings—just switch to it manually within the product, and you're ready to go.

This isn't just another incremental update. The V4-Pro model brings a native context window of up to 1 million tokens—that's roughly the length of a trilogy of novels. In practical terms, it means the AI can hold an entire project's worth of documents, emails, and meeting notes in its 'memory' at once. And with a maximum output of 384,000 tokens per session, it can generate substantial reports or analyses without breaking a sweat.

But what really sets Lingxi Professional Edition apart is how it uses that power. Unlike traditional AI chatbots that treat every conversation as a standalone event, Lingxi is designed as an agent. It continuously learns from your historical documents, meeting materials, and even your personal preferences. Then, it autonomously calls upon a suite of tools—think documents, spreadsheets, browsers, and code execution—to tackle complex tasks from start to finish.

The result? You get native Office outputs that are not just text, but fully editable, traceable, and collaborative. Imagine asking the AI to prepare a quarterly report: it can pull data from your spreadsheets, reference last quarter's presentation, draft the narrative, and even generate charts—all while keeping a clear trail of its steps so you can verify and tweak anything.

With the integration of DeepSeek-V4-Pro, the agent's workflow has become noticeably more robust. The breakdown of requirements, the invocation of tools, and the delivery of results all feel more seamless. For users, this translates to fewer hiccups when automating complex, multi-step office scenarios—a common pain point with earlier AI assistants.

Currently, the entire DeepSeek-V4 General Version series—including both Flash and Pro—is available in Lingxi Professional Edition. That means whether you need quick answers or deep, context-heavy analysis, there's a model that fits. And it's open to all users right now.

So, what does this mean for the future of office work? It's a clear signal that AI is moving beyond simple Q&A into true collaboration. The ability to handle a million tokens of context isn't just a number—it's the difference between an AI that forgets what you said five minutes ago and one that remembers the entire history of a project. For anyone who's ever felt buried under paperwork, that's a welcome change.

As AI continues to weave itself into our daily tools, the line between 'assistant' and 'colleague' blurs a little more. With this update, Kingsoft Office is betting that the future of work is not just automated, but deeply personalized—and that's a bet worth watching.

Key Points

  • Integration: Lingxi Professional Edition now includes DeepSeek-V4-Pro (V4-Pro-0813), accessible via manual switch.
  • Context Window: Supports up to 1 million tokens natively, with 384,000 tokens max output per session.
  • Agent Capabilities: Understands historical documents and preferences, autonomously uses tools like spreadsheets and browsers.
  • Output Quality: Delivers editable, traceable, collaborative Office-native results.
  • Availability: Full DeepSeek-V4 series (Flash and Pro) is now available to all users.