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How to Enable Model Switching in ChatGPT 5 | Fix Missing Legacy Models (GPT-4, GPT-3.5)

#AI Tools
2026-03-24 18:535 min read

Content Introduction
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This video demonstrates how to resolve an issue where users are unable to switch between models in ChatGPT. The host explains that many users, especially those experiencing performance dips with ChatGPT 5, find the model selector missing. The solution involves clicking on the profile icon, navigating to settings, and toggling the 'show additional models' option under general settings. After adjusting this setting, users should be able to view and select from a range of models like ChatGPT 4. However, it's noted that this option is not available for free plan users, who are restricted to ChatGPT 3.5. The video also suggests using OpenAI's API with trial credits as an alternative to access multiple models without upgrading. Viewers are encouraged to like, subscribe, and engage for more AI tips.

Key Information

  • Users may encounter an issue where the model selector in ChatGPT is not displaying options to switch between models.
  • To resolve this issue, users should click on their profile icon, navigate to settings, and enable the 'show additional models' option under the general settings.
  • After enabling this option, users can access a variety of models including legacy models.
  • The option to toggle for additional models is not available for free plan users, who are limited to ChatGPT 3.5.
  • Free users can use OpenAI's API with trial credits as a workaround to access multiple models.

Timeline Analysis

Content Keywords

ChatGPT Model Selector

Users have reported issues with the ChatGPT model selector being stuck, preventing them from switching between models such as ChatGPT 4 or 3. This guide provides a solution to bring back the model selector within seconds.

Settings Adjustment

To restore the model options, users need to go to their profile settings, navigate to the 'General' section, and toggle the 'show additional models' option. This allows access to various models after selection.

Free Plan Limitations

Users on the free plan are unable to toggle the additional models option and are limited to ChatGPT 3.5. Options to access other models without upgrading include using OpenAI's API with trial credits for temporary access.

Tech Mash

The video concludes with a call to action for viewers, encouraging them to like the video for help with fixing their ChatGPT issues and to subscribe for additional AI tips.

Related questions&answers

Why is the model selection option not appearing on ChatGPT?

Many users report this issue, where the model selector is stuck or not available, especially when there are performance dips in ChatGPT 5.

How can I bring back the model selector in ChatGPT?

Click on your profile icon, go to Settings, then General, and toggle the 'Show additional models' option. This should restore the model selector.

What if I don't see the 'Show additional models' option in settings?

If you are on the free plan, this option will not be available. It is only accessible to plus subscribers.

What models can I access if I am on the free plan?

Free accounts are currently limited to ChatGPT 3.5.

Is there any way to access multiple models without upgrading to a paid plan?

You can use OpenAI's API with trial credits which sometimes provides temporary access to multiple models.

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