직접 조회가 가능합니다. Codex 가 오픈소스이기 때문인데요.

https://chatgpt.com/backend-api/checkout_pricing_config/configs/KR

{"country_code":"KR","currency_config":{"free":{"month":{"tax":"inclusive","amount":0.0}},"go":{"month":{"amount":13000.0,"tax":"inclusive","psp_override":{"amount":11818.0,"tax":"exclusive"}}},"plus":{"month":{"amount":29000.0,"tax":"inclusive","psp_override":{"amount":26364.0,"tax":"exclusive"}},"year":{"amount":24166.67,"tax":"inclusive","psp_override":{"amount":21969.7,"tax":"exclusive"}}},"pro":{"month":{"amount":299000.0,"tax":"inclusive","psp_override":{"amount":271818.0,"tax":"exclusive"}}},"business":{"month":{"amount":36100.0,"tax":"exclusive"},"year":{"amount":28900.0,"tax":"exclusive"}},"amount_per_credit":58.0,"vat_display":{"inclusive_tax_display":"tax_name_only","exclusive_tax_display":"tax_name_only","show_reverse_charge_disclaimer":true},"tax_type":"vat","symbol_code":"KRW","promos":{"business_free_trial":{"enabled":true,"type":"value","amount":0.0,"cost_message":"0*"},"business_one_dollar":{"enabled":true,"type":"value","amount":1460.0,"cost_message":"1460*"},"plus_intro_offer_3m":{"enabled":false},"plus_intro_offer_12m":{"enabled":false}},"pricing_rollout_gate":"is_pricing_enabled_for_krw","tax_percent":10.0,"symbol":"₩","free_workspace":{"month":{"tax":"inclusive","amount":0.0}},"business_non_profit":{"month":{"amount":14500.0,"tax":"exclusive"},"year":{"amount":11500.0,"tax":"exclusive"}},"business_currency_override":"USD","prolite":{"month":{"amount":159000.0,"tax":"inclusive","psp_override":{"amount":144545.45,"tax":"exclusive"}}},"sci":{"month":{"amount":299000.0,"tax":"inclusive","psp_override":{"amount":271818.0,"tax":"exclusive"}}},"business_prolite":{"month":{"amount":180500.0,"tax":"exclusive"},"year":{"amount":144500.0,"tax":"exclusive"}},"promax":{"month":{"amount":790000.0,"tax":"inclusive","psp_override":{"amount":718182.0,"tax":"exclusive"}}},"minor_unit_exponent":0}}

pricing_rollout_gate "is_pricing_enabled_for_krw"가 있는 걸 보면 KRW 가격 자체는 이미 준비돼 있지만 실제 한국 출시 여부·출시 시점·최종 가격은 변경될 가능성은 있습니다. 참고용으로 확인해보시는 것이 좋습니다.