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Model

System prompt

Branded presets are caricatures of each product's public vibe, not their real system prompts (which aren't public).

Sampling

Temperature 0.8

Top-p 1.00

This model locks temperature and top-p to the default (1.0). Pick an older model to experiment with sampling.

Show token probabilities

Token probabilities aren't returned by reasoning models (gpt-5 family). The reply will render as normal markdown until you switch to an older model.

Max tokens 1024

Personal Assistant

A chatbot you can shape into anything.