Yapay Zeka Araçları ve ÜrünlerDeveloper Encounters 403 Error with GPT-5 Nano API Despite Proper Authorization
A private app developer reports persistent 403 errors when attempting to use GPT-5 Nano via the OpenAI API, despite successful operation with other GPT-5 models. Experts suggest the issue may stem from model availability, API endpoint restrictions, or platform-specific limitations.






















