ChatGPT-6 leaks: Release Date, New Features and Rumours
Update, April 23, 2026: The wait is over, and the naming question is resolved. OpenAI launched the model on April 23, 2026 and branded it GPT-5.5, not GPT-6. The new flagship ships in three variants (standard, GPT-5.5 Thinking, GPT-5.5 Pro) and hit 88.7% on SWE-bench Verified, 82.7% on Terminal-Bench 2.0, 92.4% on MMLU, and an […]
