VB.NET

Referencing a Pre-Uploaded Image File by file_id in an AI Request

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Currently, OpenAI is the only AI provider that supports referencing a pre-uploaded image in a request for text generation. VB.NET

Dim success As Boolean = False

success = False

' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim ai As New Chilkat.Ai

' OpenAI is currently the only AI provider that supports referencing a pre-uploaded image by file_id
' in a request for text generation.
ai.Provider = "openai"

' Use your provider's API key.
ai.ApiKey = "MY_API_KEY"

' Choose a model.
ai.Model = "gpt-5-mini"

' See the following example showing how to upload a file
' Upload an Image File to an AI Provider

' Use the file_id of the pre-uploaded file.
Dim file_id As String = "file-5CnBeuFasqNcAfti3cx4Fe"
ai.InputAddImageFileId(file_id,"application/json")

ai.InputAddText("What is in this image?")

' Ask the AI for text output.
success = ai.Ask("text")
If (success = False) Then
    Debug.WriteLine(ai.LastErrorText)
    Exit Sub
End If


' Get the text response.
Dim sbResponse As New Chilkat.StringBuilder
ai.GetOutputTextSb(sbResponse)
Debug.WriteLine(sbResponse.GetAsString())