CEFR level
C1 — advanced — you can read a novel or a technical article without frequent lookups.
Receptive vocabulary at this level sits around 5,000–8,000 word families.
Sample words at C1
Real items from our test pool, sampled from OpenSubtitles frequency data.
Estimate your level
The free test takes ~4 minutes and estimates your CEFR band with a confidence interval.