gpt-4.5-preview

This documentation is valid for the following list of our models:

• gpt-4.5-preview

Model Overview

OpenAI's latest general-purpose language model, designed to advance capabilities in reasoning, creativity, and conversational coherence. It builds upon GPT-4 with a broader knowledge base, improved alignment with user intent, and enhanced emotional intelligence (EQ). The model is positioned as a research preview and is OpenAI’s largest and most knowledgeable model to date.

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API Schema

Generate a conversational response using a language model.

post

Creates a chat completion using a language model, allowing interactive conversation by predicting the next response based on the given chat history. This is useful for AI-driven dialogue systems and virtual assistants.

Authorizations

Body

modelundefined · enumrequiredAvailable options:

frequency_penaltynumber | nullableoptional

logit_biasobject | nullableoptional

logprobsboolean | nullableoptional

top_logprobsnumber | nullableoptional

max_tokensnumber · min: 1optionalDefault: 512

max_completion_tokensinteger · min: 1optional

ninteger | nullableoptional

predictionobjectoptional

presence_penaltynumber | nullableoptional

seedinteger · min: 1optional

messagesone of[]required

streambooleanoptionalDefault: false

stream_optionsobjectoptional

top_pnumber · min: 0.1 · max: 1optional

temperaturenumber · max: 2optional

stopany ofoptional

toolsobject[]optional

tool_choiceany ofoptional

parallel_tool_callsbooleanoptional

reasoning_effortstring · enumoptionalAvailable options:

response_formatone ofoptional

JSON object response format. An older method of generating JSON responses. Using json_schema is recommended for models that support it. Note that the model will not generate JSON without a system or user message instructing it to do so

audioobject | nullableoptional

Parameters for audio output. Required when audio output is requested with modalities: ["audio"]

modalitiesstring · enum[] | nullableoptional

Output types that you would like the model to generate

web_search_optionsobjectoptional

This tool searches the web for relevant results to use in a response

Responses

post

cURLJavaScriptPythonHTTP

curl -L \
  --request POST \
  --url 'https://api.aimlapi.com/v1/chat/completions' \
  --header 'Authorization: Bearer <YOUR_AIMLAPI_KEY>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "gpt-4.5-preview",
    "frequency_penalty": 1,
    "logit_bias": {
      "ANY_ADDITIONAL_PROPERTY": 1
    },
    "logprobs": true,
    "top_logprobs": 1,
    "max_tokens": 1,
    "max_completion_tokens": 1,
    "n": 1,
    "prediction": {
      "type": "content",
      "content": "text"
    },
    "presence_penalty": 1,
    "seed": 1,
    "messages": [
      {
        "role": "system",
        "content": "text",
        "name": "text"
      }
    ],
    "stream": true,
    "stream_options": {
      "include_usage": true
    },
    "top_p": 1,
    "temperature": 1,
    "stop": "text",
    "tools": [
      {
        "type": "function",
        "function": {
          "description": "text",
          "name": "text",
          "parameters": null,
          "strict": true,
          "required": [
            "text"
          ]
        }
      }
    ],
    "tool_choice": "none",
    "parallel_tool_calls": true,
    "reasoning_effort": "low",
    "response_format": {
      "type": "text"
    },
    "audio": {
      "format": "wav",
      "voice": "alloy"
    },
    "modalities": [
      "text"
    ],
    "web_search_options": {
      "search_context_size": "low",
      "user_location": {
        "approximate": {
          "city": "text",
          "country": "text",
          "region": "text",
          "timezone": "text"
        },
        "type": "approximate"
      }
    }
  }'

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