ChatGPT’s smartest brain yet: GPT-5.2 arrives with fewer hallucinations and stronger coding skills
OpenAI has released GPT-5.2, its latest artificial intelligence model series, on December 11, 2025. The company describes it as the most capable model for professional knowledge work to date. The release includes three variants: GPT-5.2 Instant for faster responses, GPT-5.2 Thinking for complex tasks, and GPT-5.2 Pro for the most demanding questions. According to OpenAI, …