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.