for AI21 Summarize API (p = .008). This pattern remained intact even when success categories were collapsed to Pass
and Fail - signiﬁcantly more Pass summaries for AI21 Summarize API (p = .05).
In summary, AI21 Summarize API was found to produce better quality summaries than both Open AI variants.
Speciﬁcally, in terms of faithfulness to the source text.
AI21 SUMMARIZE API- TECHNICAL EVALUATION