Staff · 1 piece on file
Karl Strauchman
Senior model reviewer
Karl Strauchman leads model reviews for AI Model Report. He has spent years working with long-context evaluation harnesses and is responsible for the desk’s scoring methodology on instruction-following and long-document recall. His pieces cover the full reviewer arc: capability claim, replication attempt, verdict.
Beats: model-reviews, model-releases
All pieces by Karl
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Reviews · MAY 5, 2026
Reviewed: GPT-5.5 Instant ships as ChatGPT's new default with a 52.5% hallucination-reduction claim
OpenAI's May 5 update to the default ChatGPT model promises sharper answers on medicine, law, and finance. The headline number is internal; the rollout is universal.