Features and New Functions of ChatGPT-5

The new model has its own 'features'. Here are the aspects of ChatGPT-5 that are worth paying attention to:

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Automatic mode selection — the model decides whether a quick response or deep analysis is needed.

There is a GPT-5 Pro version — an advanced model for the most complex tasks: 22% fewer critical errors. It is preferred 67.8% of the time in expert evaluations.

New 'personalities' — ready-made communication styles: Cynic, Robot, Listener, and Nerd.

Safe responses ('safe completions') — instead of refusing, GPT-5 provides the most useful answer within the rules or explains the reason for the refusal.

Limitations and Upgrades

The model has subscription limits:

Free mode: 10 messages every 5 hours + 1 Thinking request per day, then a mini-version.

Plus subscription: up to 80 messages in 3 hours, Thinking — up to 200 per week.

Pro and Team subscription: unlimited, including GPT-5 Pro.

Dialogs with GPT-4 and o3 are automatically updated to GPT-5 or the corresponding mode.