The ttok command-line tokenizer tool reached version 1.0 on 9th October 2026, with its headline change being a new default tokenizer that targets the GPT-5 and GPT-6 model families rather than the older GPT-4 standard.
Anthropic has updated its usage policy to prohibit users from directing “sustained and needless abusive or cruel behavior” at its artificial intelligence models, including the chatbot Claude.