AIThe New Stackabout 2 hours ago
Grok 4.5 matches Opus at quarter tokens
8 min read
xAI released Grok 4.5 on July 8, trained with Cursor session data. The model roughly matches Claude Opus 4.8 on coding while using 4.2 times fewer output tokens. Grok costs $2 per million input tokens and $6 per million output, compared to Opus at $5 and $25.
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