Beef internal temperature

145°F (62.8°C)

plus a 3-minute rest

Cook beef steaks, chops, and roasts to 145 degrees F (62.8 degrees C) and allow to rest for at least 3 minutes, and cook ground beef to 160 degrees F (71.1 degrees C).

USDA states safe minimum internal temperatures, not doneness styles.
Grounded in: foodsafety.gov, fsis.usda.gov. The number above appears verbatim in the linked government sources.
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