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What's actually happening? Real-time outage reports
If you try to interact with ChatGPT and encounter the "Something went wrong" message, you're not alone. According to data from DownDetector and IsDown, there are waves of instability concentrated especially around June 5 and 6, 2026. Users report various types of problems: from a complete inability to load the chat window to situations where the model accepts a query but doesn't respond at all.
An interesting phenomenon is the At Capacity reports. This suggests that even though OpenAI's servers themselves may be online, their ability to perform so-called inference (the process where the model processes input and generates output) is currently limited by extreme demand or technical shortfalls in load distribution across data centers.
Technical background: Why do LLM models go down?
To understand why such situations occur, we need to look under the hood of large language models (LLMs). Unlike traditional websites, running ChatGPT requires an enormous amount of GPU (graphics processing unit) computing power. Running these models isn't just about "having a server connected" — it's about constantly managing billions of parameters in memory.
The main causes of instability generally fall into three categories:
- Scaling issues: During sudden demand spikes, the system must automatically add more computing resources. If this process (autoscaling) doesn't catch up in time, users get "At Capacity" type errors.
- API and micro-services: ChatGPT isn't a single monolithic program, but a collection of hundreds of interconnected services. If one component fails (for example, the service for storing chat history or file analysis), the entire user experience can appear "broken."
- Model updates: OpenAI constantly fine-tunes its models. Even small architectural changes can cause unexpected behavior in load distribution.
Reliability comparison: ChatGPT vs. competitors
In the context of professional use, uptime (service availability) is a key parameter. Let's look at how the situation currently compares against the main competitors:
| Model / Service | Main advantage | Stability note (2026) |
|---|---|---|
| ChatGPT (OpenAI) | Most widespread ecosystem | Occasional error rate spikes under high load. |
| Gemini (Google) | Workspace integration | High stability thanks to massive Google Cloud infrastructure. |
| Claude (Anthropic) | Logic and text nuance | Very stable, but with lower capacity for free users. |
While Google often handles spikes better thanks to its infrastructure, OpenAI has an advantage in the speed of implementing new features due to ChatGPT's massive popularity, which can however lead to a higher rate of experimental instability.
Impact on the Czech market and businesses
This has direct consequences for Czech users and businesses. In the Czech Republic, ChatGPT is widely adopted not only in households but also in the corporate sector for customer support automation, content creation, and data analysis. Czech language availability is at a high level, making it the primary tool for local businesses.
What does this mean for a Czech company? If your company builds its processes on the ChatGPT API (e.g. a chatbot on your website), OpenAI outages mean a direct outage for your service. We recommend always having a fallback strategy in place — that is, automatic switching to another model (e.g. Claude or Gemini) if the initial call fails.
Pricing and availability: For regular users in the Czech Republic, ChatGPT Plus remains available for approximately $20 USD (roughly 470–490 CZK per month depending on the exchange rate). For businesses, the Enterprise versions are more relevant, as they guarantee a higher SLA (Service Level Agreement), meaning a higher level of reliability and uptime — precisely the protection against the outages described above.
What to do during an outage?
- Check the status: Before restarting your browser, check OpenAI's official pages or independent trackers like DownDetector.
- Try a different browser/app: Sometimes it may be a cache or cookie issue in a specific browser.
- Switch to an alternative: If you need to solve a task immediately, use Google Gemini or Claude. Most of these models can handle the same task in Czech as well.
- Monitor EU regulations: Under the EU AI Act, greater emphasis is placed on system transparency. If you use AI in critical processes, make sure your solution meets European standards for reliability and data security.
Is ChatGPT currently unavailable for all users?
No, the outages appear to be localized or affecting specific types of queries. While some users see the "Something went wrong" error, others can use the service without issues.
How can I minimize the impact of outages on my business?
The best approach is not to use just one model. Implement an architecture that automatically switches the query to an alternative model (e.g. Claude or Gemini) when the OpenAI API fails, thus ensuring service continuity.
Is ChatGPT in Czech still functional during outages?
If the problem is in the infrastructure (e.g. overloaded GPUs), it will affect all languages equally. If the problem is in a specific text processing module, Czech may show more errors than English.
