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Spec / Metric	GPT-5 Nano OpenAI	Hy3 Tencent
Provider	OpenAI	Tencent
Context Window	400,000	262,144
Input Price / 1M	$0.050000 ★	$0.082500
Output Price / 1M	$0.400000	$0.330000 ★
Est. Cost / Month (1000 rpd)	$7.50	$7.42 ★
Modalities	text, image, file	text

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Flagship frontier: GPT vs Claude vs Gemini Budget workhorses: Strong models under ~$1/1M in Free tier: Zero-cost endpoints

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