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Search results for Opus 5.5

AI & Enterprise

Musk calls Claude Opus 5.5 a masterpiece, says Grok 4.8 will not beat it

Elon Musk (일론 머스크), founder of xAI, said his company’s next AI model Grok 4.8 will not surpass Anthropic’s Claude Opus 5.5, calling the rival model a masterpiece. He said Grok 4.8 has finished pre-training and is undergoing reinforcement learning, with training data for supervised fine-tuning overhauled. xAI plans a limited soft rollout to some bot users later this week. Musk also said Grok 5 should exceed Opus 5.5 in 2 to 3 months.

AI & Enterprise

Claude Opus 5.5 suspected of drop in reasoning performance

Anthropic\'s AI model Claude Opus 5.5 has come under suspicion of a recent drop in reasoning ability. Some developers said its response style and problem-solving changed around Nov. 3, citing fewer displayed thought tokens and more coding-related errors. Others offered a different reading, saying the change reflects how reasoning summaries are generated and rolled out by account, and that average thought tokens per response increased in a larger dataset.

AI & Enterprise

Anthropic unveils Fable 5.2 and Mythos 5.2 to boost life science and coding performance

Anthropic unveiled its large language models Fable 5.2 and Claude Mythos 5.2, designed to strengthen scientific research and coding. The company said Fable 5.2 is aimed at general users and blocks most biology research questions and many cybersecurity requests, while Mythos 5.2 relaxes limits for verified researchers. Anthropic reported benchmark gains in science and coding, improvements in safety filtering, faster response modes, and token prices 20 percent lower than the prior generation.