•SiTech AI Team
OpenAI Retires GPT-4o and GPT-4.1 API Models on January 14, 2027
OpenAI will retire GPT-4o, GPT-4o mini, GPT-4.1, and GPT-4.1 mini from its API on January 14, 2027, giving developers three months to migrate to replacements such as GPT-6 Luna.