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ChatGPT

Provided by OpenAI — Learn More

Chat with OpenAI models including GPT-5, GPT-4, and other advanced models. Supports system prompts, attachments, and fine-tuned parameter control.

Preview

Inputs

Prompt
text

The message prompt to send to the model.

Model
dropdown

The OpenAI model to use for chat completion.

optional: true•default: gpt-5.1Accepts: gpt-5.4, gpt-5.2, gpt-5.1, gpt-5, gpt-5-mini, gpt-5-nano, gpt-5-chat-latest, gpt-4.1, gpt-4.1-mini, gpt-4.1-nano, gpt-4o, gpt-4o-search-preview, gpt-4o-mini-search-preview, gpt-4o-mini, chatgpt-4o-latest, o1, o1-mini, o1-preview, o3-mini, o3, o4-mini
System Prompt
text

A system prompt that sets the behavior and context for the conversation.

optional: true
Attachment
generic
Accepts multiple

Attachments to include with the prompt (images, text, etc.).

optional: true
Last Message Only
toggle

If enabled, only the last message will be sent to the model instead of the full conversation history.

optional: true
Temperature
number

Controls randomness in the output. Higher values make the output more random, lower values make it more deterministic.

optional: true•minimum: -1•maximum: 1
Seed
seed

A seed value for reproducible outputs. Use the same seed to get consistent results.

optional: true•default: 7295
Top P
number

Nucleus sampling parameter. Controls diversity via nucleus sampling.

optional: true
Top K
number

Limits the number of highest probability tokens to consider.

optional: true
Max Tokens
number

Maximum number of tokens to generate in the response.

optional: true
Stop Sequences
text
Accepts multiple

Sequences that will cause the model to stop generating further tokens.

optional: true
Presence Penalty
number

Penalizes tokens based on whether they appear in the text so far.

optional: true•minimum: -2•maximum: 2
Frequency Penalty
number

Penalizes tokens based on their frequency in the text so far.

optional: true•minimum: -2•maximum: 2

Outputs

Last Response
text

The last response from the model.