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GPT-5.4 Mini vs Nano: 3x cheaper per token but uses 3x more
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GPT-5.4 Mini/Nano on ARC-AGI Semi-Private GPT-5.4 Mini: - xHigh: 19%, $0.69 - High: 13%, $0.56 - Med: 4%, $0.33 - Low: 1%, $0.06 GPT-5.4 Mini is ~3× cheaper per token, but used ~3× more reasoning tokens, leading to comparable total costs
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