Grok 4.5: 2x token efficiency slashes Opus 4.7 costs by 76%
spacexai released grok 4.5, a 'opus-class' model priced at $2/$6 per million tokens that undercuts anthropic and openai. this aggressive pricing signals a new race for efficiency and cost dominance.
spacexai released grok 4.5, marketing it as a high-performance model capable of coding, research, and office work, with ceo elon musk claiming it rivals anthropic opus 4.7 in capability. the model distinguishes itself through economics, costing $2 for input and $6 for output tokens per million, which is approximately 76% cheaper than opus 4.7's output costs. this move pressures competitors like openai and anthropic, who are holding their ground on higher pricing tiers despite the looming release of gpt 5.6. by prioritizing token efficiency and cost reduction, spacexai aims to capture enterprise market share and redefine the value proposition for deploying high-end ai.