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In Copilot, you can now use the improved GPT-4 Turbo language model instead of the original GPT-4. In the free versions, the change was made automatically and is irreversible, users of paid Pro accounts can still go back to GPT-4. The news was confirmed by Mikhail Parakhin, who heads the web services and advertising division at Microsoft.
The Turbo is a newer and more advanced model introduced last November. From a practical point of view, it has three main innovations:
- Supports a longer context with up to 128,000 tokens instead of 8,000. It can thus process up to hundreds of standard pages of text.
- Its knowledge ends in April 2023, GPT-4 was trained on data until September 2021.
- It is two to three times more efficient, i.e. faster and cheaper.
Until now, GPT-4 Turbo was only available in Copilot Pro or in paid versions of ChatGPT. By the way, the free ChatGPT only runs on GPT-3.5 so far. It also uses the free Copilot by default, if you leave it at the default settings with balanced conversation.
Only creative and precise will activate GPT-4, and now its improved Turbo version. You can recognize the change by the fact that the standard mode supports only 2000 characters at the input, the other two double.
But they are also noticeably slower. GPT-3.5 responds faster, though less accurately. According to Parakhin, by the end of last year, approximately 70% of people preferred speed over precision. The other two modes had 15% each.
