Sahih al-Bukhari 3992
صحيح البخاري#3992SahihNarrated Rifaa:(who was one of the Badr warriors) Gabriel came to the Prophet (ﷺ) and said, "How do you look upon the warriors of Badr among yourselves?" The Prophet (ﷺ) said, "As the best of the Muslims." or said a similar statement. On that, Gabriel said, "And so are the Angels who participated in the Badr (battle)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 64:43