Poio einai pio fthino: DeepSeek: DeepSeek V4 Flash 0731 i OpenAI: GPT-5.4;
To DeepSeek: DeepSeek V4 Flash 0731 einai pio fthino ($0.45 / 1M tokens input / $1.33 / 1M tokens output) apo to OpenAI: GPT-5.4 ($2.50 / 1M tokens input / $15 / 1M tokens output). To pragmatiko kostos exartatai apo to meigma input kai output tokens, opote xrisimopoise ton ypologisti timon pano se pragmatiki kinisi.