The Half-Penny gpt-image-2 Challenge - API-only Gallery

sergeliatko:

Yes, I counted tokens

That’s the tricky thing: if you use the Responses API and the image tool, not the “generate” endpoint, you only see token usage for the chat, and not the extra billing for images and double billing for a chat’s image input to the chat model. The AI gets to make complete choice in the cost if you don’t lock it down to one specific size and quality with tool parameters.