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# Day 1: Frontier model cost comparison
models = {
"Claude Sonnet 4.6": {"ctx":"1M", "in":3.0, "out":15.0},
"GPT-5.4": {"ctx":"1M", "in":2.5, "out":15.0},
"Gemini 2.5 Pro": {"ctx":"1M", "in":1.25, "out":10.0},
"DeepSeek R1": {"ctx":"128K","in":0.55, "out":2.19},
}
for name, s in models.items():
cost = (500/1e6*s['in'] + 300/1e6*s['out']) * 1000
print(f"{name:<22} ${cost:.4f}")