Table 1.

Flesch-Kincaid Grade Level and Automatic Readability Index for the generated text.^a

Text			Flesch-Kincaid Grade Level	Automatic Readability Index
Baseline
	Technical abstracts	14.42		15.58
	Gold-standard references	13.11		15.08
Model generated
	BART-Fine-tuned	13.45		15.32
	BART-UL	11.97		13.73b
	TESLEA	11.84b		13.82
	MUSSc	14.29		17.29
	Keep it Simple	14.15		17.05
	PEGASUS-large	14.53		17.55
	PEGASUS-pubmed-large	16.35		19.8

^aTESLEA significantly reduces FKGL and ARI scores when compared with plain language summaries.

^bBest score.

^cMUSS: multilingual unsupervised sentence simplification.