GPT-5.5 Complete Guide: Performance Benchmarks, New Features, and How It Compares to GPT-5.4
“`html GPT-5.5: The Next Evolution in ChatGPT’s AI Core [IMAGE_PLACEHOLDER_HEADER] On May 5, 2026, OpenAI officially replaced GPT-5.4 with GPT-5.5 as the default model powering ChatGPT. This upgrade marks a significant milestone in generative AI development, emphasizing precision, efficiency, and expanded capabilities tailored for applications across business, cybersecurity, coding, and…
