How does Grok 4.5's pricing compare to Claude Opus?
Grok 4.5 costs $2 per million input tokens and $6 per million output tokens. Musk's own benchmark, Claude Opus 4.7, costs $5 input and $25 output per TechCrunch — roughly a 4x gap on output tokens. Bloomberg also reported a faster Grok 4.5 tier at $4 input and $18 output per million tokens for higher-throughput agentic workloads.
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Grok 4.5 Ships, xAI Calls It Opus-Class at a Third of the PricexAI's Grok 4.5 prices coding at $2/$6 per million tokens, undercutting the $5/$25 Musk quoted for Opus 4.7 — but the AA Index ranks it behind Opus 4.8.
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