ChatGPT -- Use the best thinking model

By intermediate-cicada-10 · 6 months ago · 10+ installs

Automatically selects GPT-5.1 Thinking from legacy models before sending messages.

Key Highlights

Automatically selects GPT-5.1 Thinking on chatgpt.com
Targets the legacy GPT-5.1 Thinking model before messages are sent
Rechecks the model selection while you navigate ChatGPT
Restores GPT-5.1 Thinking if another model is selected

Details

ChatGPT Auto-Select GPT-5.1 Thinking is a tweek for chatgpt.com that sets the active model preference to GPT-5.1 Thinking. It is designed for users who want that legacy model chosen before sending messages.

The tweek checks the selected model as you use ChatGPT and restores GPT-5.1 Thinking if another model is set. If the ChatGPT interface does not reflect the selected model, it may refresh the page to bring the visible selection back in line.

Runs on

1 site

chatgpt.com

Developer

Tweek Code

173 lines ·