How do I set the degree of "reasoning" when using REASONING models?

Reasoning allows the model to draw connections between different data, make judgments, and weigh the benefit of potential actions. You can control the degree of reasoning used by these models (i.e., how long the model should generate reasoning tokens before producing its final answer) by adjusting the Reasoning Effort parameter. Of note, tokens are expended during this process even if the “thinking” isn’t displayed in the user interface. In other words, reasoning tokens are billed tokens, so using reasoning consumes credits more quickly.

You can update the reasoning effort by clicking on the lightbulb icon to the right of where you enter your prompt. Pull the menu down to set your preferred reasoning effort for the selected model. Alternatively, you can set the reasoning effort in the Chat Controls at the top of the page (scroll down to find the Reasoning Effort setting).

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