I tested Grok 4.20 Reasoning to see if it belongs in your stack. At $1.25 per...

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I tested Grok 4.20 Reasoning to see if it belongs in your stack. At $1.25 per 1M input tokens, it is a viable option for heavy reasoning tasks. I reviewed the latency and technical fit to help you decide if it is worth the move. Read my full analysis.