All About Gemini and Sagittarius Compatibility CosmopolitanSagittarius and Gemini make great friends. Their bond is unbreakable and they delight in one another's company. Sagittarius is adventurous and free-spirited, while Twins is versatile and intellectually stimulating. Together, they pursue adventurous explorations and savor mental conversations overflowing with curiosity. Sagittarius inspires Gemini to accept novelty, while Gemini challenges Archer's thinking with riveting discussions. Their camaraderie is bold and overflowing with giggles and entertainment.