Millions were affected by DeepSeek’s longest outage since 2025, which raised questions about enterprise risk and AI dependability.
Millions of users immediately noticed the difference when DeepSeek’s AI chatbot remained silent overnight.
After a protracted outage that left employees, developers, and regular customers frantically looking for alternatives, the Chinese firm resumed service on Monday. The site saw its longest outage since its explosive growth in 2025 during the roughly seven-hour disruption.
It also served as a sobering reminder of how reliant many people have grown on generative AI technologies.
Although the corporation claimed that services were back up and running by the middle of the morning, the outage sparked several complaints and new worries about dependability as AI becomes increasingly important to commercial operations. Even a minor outage may cause people to turn elsewhere as competition intensifies.
User Complaints About Service Disruptions Are Common
According to user reports and corporate service records, DeepSeek’s chatbot platform fell offline on Sunday night and remained unavailable until Monday morning. Between 1 and 9 a.m., engineers implemented fixes, and access was soon restored.
As the outage continued, people all around China flooded social media with complaints, according to the South China Morning Post.
One user commented, “Only after DeepSeek went down did I realize I no longer knew how to work without it,” demonstrating how thoroughly the chatbot had permeated daily work routines.
As of February, DeepSeek had over 355 million users, making even a brief downtime more impactful, according to the South China Morning Post. Later, the business declared that the problem had been fixed and promised to keep an eye on system performance.
Longest Outage Since The Platform’s Explosive Growth
The event was DeepSeek’s longest downtime since its AI models went viral in early 2025, according to Reuters. The incident, which lasted for around seven hours before being resolved, was categorized as a “major outage” on the company’s status page.
A root cause was not revealed by DeepSeek. These outages can be caused by anything from server malfunctions to software faults that are introduced during updates, according to Reuters.
According to the research, DeepSeek’s consumer chatbot interface has never gone down for longer than two hours, but its developer-focused API had previously suffered longer outages. The incident on Monday signaled a significant increase in the intensity of the outage.
As AI Becomes Essential Infrastructure, Reliability Demands Increase
Both regular users and developers who depend on DeepSeek’s tools for work and automation were affected by the outage. The company’s chatbot is frequently utilized for writing, research, and coding jobs, and its API facilitates third-party application integrations.
The problem arises as platforms manage ever-increasing numbers of users and requests amid rising global demand for generative AI tools.

