OpenAI builds foundational AI models including GPT-4, GPT-4o, o1, o3, DALL·E, and the Assistants API. We monitor their pricing changes, model releases, deprecations, API updates, and service incidents.
Official changelog →OpenAI status reported a partial outage affecting some users' ability to access the ChatGPT website when using VPNs. The incident was investigated, a mitigation applied, and services were reported as recovered on Apr 7, 2026 at 11:49 UTC.
On 2026-04-06 OpenAI reported (and community/news sources corroborated) that some users experienced empty responses from ChatGPT in the web UI. OpenAI marked the issue as Investigating; early reports indicated the API and mobile services were reportedly unaffected. The incident was visible in user reports and was reflected on OpenAI's status page and community threads while teams investigated and worked toward resolution.