Poio einai pio fthino: Grok 4.1 Fast Reasoning i Grok 4.20 NON Reasoning;
To Grok 4.1 Fast Reasoning einai pio fthino ($0.029 / 1M tokens input / $0.072 / 1M tokens output) apo to Grok 4.20 NON Reasoning ($0.181 / 1M tokens input / $0.362 / 1M tokens output). To pragmatiko kostos exartatai apo to meigma input kai output tokens, opote xrisimopoise ton ypologisti timon pano se pragmatiki kinisi.