DeepSeek suffers 7-hour outage, its longest service disruption since R1 and V3 models launched

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China's DeepSeek AI chatbot went offline for over 7 hours on March 30, marking the longest outage since its viral debut in early 2025. The disruption affected the platform's web interface, which had maintained near-perfect uptime for over a year. The incident raises questions about platform reliability as the company prepares to unveil its anticipated V4 model.

DeepSeek Experiences Unprecedented 7-Hour Outage

China AI pioneer DeepSeek suffered a major service disruption on Monday, March 30, 2026, when its popular chatbot went offline for 7 hours and 13 minutes—the longest outage since the viral rise of its flagship R1 and V3 models in early 2025

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. The incident began in the early hours of Monday morning and wasn't resolved until 10:33 a.m. local time, according to the Hangzhou-based startup's status website

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Source: Analytics Insight

Source: Analytics Insight

Users first reported issues on Sunday evening around 9:35 p.m. local time, with Downdetector tracking complaints as the Chinese AI company initially acknowledged performance problems

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. After marking an initial incident resolved within two hours, subsequent updates on Monday revealed DeepSeek was addressing another round of performance issues that extended the total downtime

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Source: Reuters

Source: Reuters

Platform Reliability Concerns for a Global AI Service

The extended downtime is highly unusual for DeepSeek, which has maintained close to 99% uptime since unveiling its popular R1 model in January 2025

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. The platform has kept its services running at 100% for several months in a row, making this disruption particularly noteworthy for a globally used application

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. While the DeepSeek AI chatbot's API service—primarily used by developers to integrate the chatbot into custom applications—experienced consecutive day-long outages in late January 2025 during its viral moment, the consumer-facing webpage had not experienced a major outage longer than two hours until now

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Source: ET

Source: ET

As per company protocol, DeepSeek provided no explanation for the service disruption. Industry experts suggest such incidents can stem from various causes, including server malfunctions, infrastructure issues, or software bugs introduced during updates to the AI chatbot

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. The company has not responded to media inquiries seeking clarification

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Timing Raises Questions About Upcoming V4 Model

The outage arrives at a critical juncture as speculation intensifies around DeepSeek's next major update. The global AI industry is eagerly awaiting the release of DeepSeek's next-generation model, though the publicity-shy company has provided no timeline

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. According to reports, the new V4 model is expected to be a multimodal model featuring picture, video, and text-generation capabilities

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. The V4 was reportedly trained with assistance from Chinese AI chipmakers Huawei and Cambricon, and could outperform ChatGPT and Claude, particularly on tasks involving long coding prompts

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This major update would mark the company's most important product release since V3 and R1, which took the AI industry by storm a year ago

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. In September, DeepSeek launched V3.2-Exp, an experimental model described as an intermediate step toward its next-generation architecture, though its performance proved comparable to the previous V3.1 model

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Competitive Pressure from Chinese AI Rivals

Anticipation for DeepSeek's next move remains high as Chinese AI company rivals have released a barrage of new models and services. Following DeepSeek's initial splashy debut on January 20, 2025, competitors from Alibaba to ByteDance and Tencent rolled out new AI offerings over the Lunar New Year holiday

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. In February alone, Alibaba unveiled its latest AI model Qwen3.5, while ByteDance launched Seedance 2.0, Zhipu unveiled GLM-5, MiniMax released M2.5, and Moonshot introduced Kimi K2.5

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. This competitive landscape makes platform stability increasingly critical for DeepSeek as it seeks to maintain its position as China's breakthrough artificial intelligence service.

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