Current Model: Score Engine v1
Published: 2026-03-17 | Authors: CEFR.AI | Method Note
This note documents the current production scoring model as implemented in the score engine API (`meta.version = legacy-gse-v1`). The goal is methodological transparency: what v1 does well, what it does not do, and what evidence currently supports it. v1 estimates text difficulty from text-only inputs. It combines: - Flesch Reading...
The Power of Language Frameworks
Published: 2023-07-24 | Authors: CEFR.AI | Framework Note
Language frameworks are not optional in language learning; they are the minimum structure required for reliable decisions. If we want to match learners with texts and tasks that are challenging but manageable, we need shared standards for what “difficulty” means. This note is a simple introduction to language frameworks: why...