GPT-4o

GPT-5 review 2026: the short answer is yes, it’s worth upgrading — but the longer answer depends entirely on which version of GPT-5 you’re talking about, because OpenAI has shipped seven distinct versions in under a year. GPT-5 launched in August 2025 as OpenAI’s biggest model leap since GPT-4. By July 2026, the current flagship … Read more