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openai/gpt-4o

OpenAI's high-intelligence chat model

Capabilities

Reference Images System Prompt Top-P

Cost

Community model (estimated from hardware time)

Input Parameters

frequency_penalty number

Frequency penalty parameter - positive values penalize the repetition of tokens.

Default: 0 min: -2, max: 2
image_input array

List of images to send to the model

Default:
max_completion_tokens integer

Maximum number of completion tokens to generate

Default: 4096
messages array

A JSON string representing a list of messages. For example: [{"role": "user", "content": "Hello, how are you?"}]. If provided, prompt and system_prompt are ignored.

Default:
presence_penalty number

Presence penalty parameter - positive values penalize new tokens based on whether they appear in the text so far, increasing the model's likelihood to talk about new topics.

Default: 0 min: -2, max: 2
prompt string

The prompt to send to the model. Do not use if using messages.

system_prompt string

System prompt to set the assistant's behavior

temperature number

Sampling temperature between 0 and 2

Default: 1 min: 0, max: 2
top_p number

Nucleus sampling parameter - the model considers the results of the tokens with top_p probability mass. (0.1 means only the tokens comprising the top 10% probability mass are considered.)

Default: 1 min: 0, max: 1
Version: 42f4eb858641 Updated: 2/26/2026 526.4K runs