SpaceXAI releases Grok 4.5, which Elon describes as an 'Opus-class model'
TLDR ● Covered by 5 sources
SpaceXAI released Grok 4.5, a new AI model positioned as comparable to Anthropic's Opus in capability. The model costs $2 per million input tokens and $6 per million output tokens, roughly one-third the price of Opus 4.7 while claiming twice the token efficiency of competing models. This pricing advantage could reduce operational costs for companies deploying AI for routine knowledge work including coding, research, and writing tasks.
Why it matters
SpaceXAI has released Grok 4.5 with twice the token efficiency of other leading models at $2 per million input tokens and $6 per million output tokens, positioning it as a competitive workhorse model.
