Do Son OpenAI unveils GPT-5.5 Instant. Featuring a 52.5% reduction in hallucinations and new "Memory Attribution" tools, it’s now the default engine for all users.
MMMU-Pro
Google’s Gemini 3 Flash defies logic: an ultra-efficient model scoring 81.2% on MMMU-Pro, outperforming OpenAI’s flagship GPT-5.2 in multimodal reasoning.