B4X Requires Chilkat v11.4.0+

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. B4X

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 ChilkatAi
ai.Initialize("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-5.6-luna"

'  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
    Log(ai.LastErrorText)
    Return
End If


'  Get the text response.
Dim sbResponse As ChilkatStringBuilder
sbResponse.Initialize
ai.GetOutputTextSb(sbResponse)
Log(sbResponse.GetAsString)