OpenAI Just Made GPT-5.5 Better at Talking to You. Here Is What Actually Changed.
GPT-5.5 Instant launched on May 5 with a 52.5% reduction in hallucinated claims on high-stakes prompts and an AIME math […]
June 25, 2026
GPT-5.5 Instant launched on May 5 with a 52.5% reduction in hallucinated claims on high-stakes prompts and an AIME math […]