grok-4.5 is live · $2/$6 per 1M tokens at official parity, open on default / svip groups
xAI’s (SpaceXAI) newest flagship, released 2026/7/8 — Musk calls it “an Opus-class model, but faster, more token-efficient and lower cost”: co-trained with Cursor, it tops agentic tool use on Artificial Analysis with roughly 4.2x the output-token efficiency of Opus 4.8. It speaks the OpenAI-compatible format — just switch your model field to grok-4.5.
Read the full breakdown in the Grok 4.5 launch article; recharge bonuses stack for an even lower effective price.
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