SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’
xAI released Grok 4.5, positioning it as a cheaper, more efficient frontier-class competitor to leading AI models.
Excerpt
Elon Musk's tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.
Read at source: https://techcrunch.com/2026/07/08/spacexai-releases-grok-4-5-which-elon-describes-as-an-opus-class-model/