Parameters inferred for Gaia FGK benchmark stars (red circles) and metal-poor stars (blue plus signs) using LRPayne compared with literature values. The solid black line represents zero difference; the two dashed black lines represent a range within which the accuracy of LRPayne is comparable to traditional methods of analysis. Literature parameters are from Jofré et al. (2014) and Heiter et al. (2015) for benchmark stars and Bensby et al. (2014) for metal-poor stars. The mean and 1σ of the distribution appear in the top left corner of each panel.