One certificate covers beginner to upper-intermediate, the other covers advanced. Here's exactly where the line is, and why it's lifetime-valid.
Two exams, one continuous scale
DELF (Diplôme d'Études en Langue Française) covers A1 through B2. DALF (Diplôme Approfondi de Langue Française) picks up at C1 and covers C2. Together they span the full CEFR scale, but you sit a separate, level-specific exam for each — there's no single "take the French test" moment, and you don't need to pass a lower level to register for a higher one, provided you're genuinely ready for it.
Why lifetime validity matters
Unlike some proficiency tests that expire after two years, DELF and DALF certificates never expire. Once you hold a B2, it remains valid proof of that level indefinitely — which makes it worth investing real preparation time in, rather than treating it as a box to re-tick every couple of years.
Which level to target
B2 is the most commonly requested level for university admission outside French-taught programmes and for many skilled-migration routes into Francophone countries. C1 is typically reserved for specific academic or professional contexts — translation, law, or graduate programmes taught entirely in French. Most learners never need to go beyond B2 for their actual goal, so confirm the real requirement before committing to the longer C1 preparation track.
