ChatGPT 6 Release Date: Rumors & What’s Actually Confirmed
Update, April 23, 2026: The “Spud” mystery is solved. OpenAI shipped the model on April 23, 2026 and branded it GPT-5.5, not GPT-6. It launched 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, and an Intelligence Index of 59 (second only to Grok 5). OpenAI says GPT-5.5 has 60% fewer hallucinations than GPT-5.4. The SWE-bench Pro score came in at 58.6%, well short of the “high 70s” leaks — one reason OpenAI kept the GPT-5 branding. Read the full launch breakdown in OpenAI Releases GPT-5.5. GPT-6 now refers to OpenAI’s next-next model. The context below is preserved as a record […]
