Grok 4.7 tokens cost 5x less for input and 8.33x less for output than GPT-6 Astra.
Grok 4.7: $2 input / $6 output.
GPT-6 Astra: $10 input / $50 output.
Yet Astra still comes out cheaper per task on Artificial Analysis:
Grok 4.7: $3.74
GPT-6 Astra: $3.26
That’s how much token efficiency matters.
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4
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The output multiplier is the one that shows up on the invoice.
Sep 22, 2026 · 10:34 AM UTC
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