Perplexity Speculated to be Internally Testing 'Claude 4.5 Opus' and Other Advanced AI Models
Oct 31, 2026Reports circulating online suggest that AI search engine Perplexity is internally evaluating cutting-edge models, including a speculative 'Claude 4.5 Opus' alongside existing Llama 3 and Claude 3.5 Opus variants. While unconfirmed by Perplexity or Anthropic, this highlights the rapid, secretive pace of AI innovation and the continuous pursuit of superior performance in the AI sector.