Is Claude down? Anthropic confirms Claude outage, problems with Cowork.
On April 15, thousands of users reported problems accessing Claude AI. An Anthropic spokesperson confirmed service was down.
Updated on Wednesday, April 15 at 1:37 p.m. ET — In a statement to Mashable, Anthropic confirmed that Claude was experiencing an outage on Wednesday afternoon. The problems affected the Claude.ai desktop browser as well as the popular Anthropic services Cowork and Claude Code.
"Claude.ai and Cowork are currently down for most users and some users may also have trouble logging into Claude Code. Our team is working to restore service and we’re appreciative of everyone’s understanding while we work through this," the spokesperson said.
You can read our original story about this outage below. We'll continue to update this page as new information is available and service is restored.
Claude, the popular AI chatbot from Anthropic, appeared to experience a potential outage on Wednesday. Thousands of users reported trouble accessing Claude, with user error reports spiking at approximately 10:30 a.m. ET, according to DownDetector.
(DownDetector and Mashable are both owned by the same company, Ziff Davis.)
By 1:00 p.m. ET, user error reports were slowing down, though DownDetector is still reporting ongoing problems with Claude AI.
The majority of users (38 percent) reported problems with Claude Chat, while 29 percent reported problems with Claude Code and 25 percent with the Claude App.
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DownDetector showed a spike in Claude user error reports on Wednesday.
Credit: Screenshot courtesy of DownDetector
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One Mashable editor was unable to access the free version of Claude on desktop, with an error message saying, "You’ve hit your limit for Claude messages. Please wait before trying again. For higher limits, explore our Pro plan." This, despite not having sent any messages to Claude previously. An additional pop-up states, "Service is temporarily busy. You can try again shortly."
Rather than a true Claude outage, access may simply be temporarily restricted for free users. Claude has seen massive growth so far in 2026. In March, amid a feud with the Pentagon and Trump administration, an Anthropic spokesperson told Mashable the company was signing up more than 1 million new users a day.
This is a developing story...
