21:15
2026-06-18
cryptobriefing.com
large-language-models
OpenAIβs GPT-5.5 Instant matches frontier models for health queries with 52.5% fewer hallucinations
OpenAI made GPT-5.5 Instant the default ChatGPT model on May 5, achieving a 52.5% reduction in hallucinated medical claims while matching frontier reasoning models on health benchmarks. The model scorβ¦