Sooner or later, most people learning Spanish in Spain hit the same wall: you need an official certificate to prove your level — for a university place, a job, or the big one for many expats here, Spanish nationality. Go looking and you'll run straight into a choice: DELE or SIELE. Both are official, both are recognised worldwide, and both sit under the Instituto Cervantes. But they work in completely different ways, and picking the wrong one costs you time and somewhere between €60 and €230. Here's how to choose.

The short version: DELE is a lifelong diploma for one fixed level — a paper exam on set dates, and the only Spanish qualification accepted for Spanish nationality. SIELE is a digital certificate with a score from 0 to 1000, valid for five years, taken almost any day you like — ideal when you need a result fast.

What DELE is

DELE (Diploma de Español como Lengua Extranjera) is the official diploma issued by the Instituto Cervantes on behalf of Spain's Ministry of Education. It's the most prestigious Spanish certificate there is: it has existed since 1988 and is accepted by universities, employers and government bodies everywhere.

The key features:

  • Six levels on the CEFR scale — A1, A2, B1, B2, C1, C2. You pick one and sit that exact level.
  • It never expires. Pass once and the diploma is yours for life.
  • It's a paper exam taken at accredited centres, including many across Spain.
  • Fixed dates — usually four to six sessions a year (February, April, May, July, September, October, November).
  • Results take two to three months.
  • The speaking test is face to face with a live examiner.

It tests four skills — reading, listening, writing and speaking — grouped into two blocks: "reading + writing" and "listening + speaking". You need at least 30 out of 50 in each block to pass. And that's the catch: DELE is pass or fail. If you sit B2 and fall short, you don't get bumped down to B1 — you simply don't pass, and you have to resit.

What SIELE is

SIELE (Servicio Internacional de Evaluación de la Lengua Española) launched in 2016 as the modern alternative. It's developed jointly by four institutions: the Instituto Cervantes, the University of Salamanca, Mexico's UNAM and the University of Buenos Aires. That makes it a genuinely pan-Hispanic exam — it treats Spain's Spanish and Latin American Spanish as equally valid.

The key features:

  • One multi-level exam. You don't choose a level in advance — you get a score from 0 to 1000, mapped to a level between A1 and C1 (there's no C2 in SIELE).
  • Valid for five years, then you resit if you still need it.
  • Fully digital — taken on a computer at an accredited centre or from home with remote proctoring.
  • Flexible dates — book almost any day; booking closes 48 hours before.
  • Results in three weeks maximum.
  • The speaking test is recorded and graded later by experts — no live examiner.

It checks the same four skills as DELE, but with a bonus: it's modular. Instead of the full exam (SIELE Global) you can sit only the parts you need — just speaking, just writing, or a combination. That's cheaper and handy when you only need to prove one skill.

You can't really "fail" SIELE in the traditional sense. You always come away with a score and a level, even if it's lower than you hoped. That removes the pressure — but it also means you don't get a guaranteed result for a specific requirement.

DELE vs SIELE at a glance

The differences that matter most: DELE is a paper exam on fixed dates with a live speaking test, results in two to three months, valid for life, pass or fail, and the only qualification accepted for Spanish nationality. SIELE is digital and modular, bookable almost any day with a recorded speaking test, results in three weeks, valid five years, and always returns a score rather than a pass/fail. DELE leans Castilian; SIELE is pan-Hispanic and covers A1 to C1 (no C2).

What they cost in 2026

Prices vary by country and centre, but as a rough guide for 2026: DELE ranges from around €125 for A1 up to about €230 for C2, climbing steadily with each level (A2 is roughly €135, B2 around €195). SIELE Global (all four skills) runs about €135–155 regardless of your level, and single modules are cheaper — speaking is around €60, reading around €65, listening or writing around €75.

The pattern: SIELE is a flat fee whatever your level, while DELE gets pricier the higher you go. At B2 and above, DELE costs noticeably more than SIELE Global. At A1–B1 they're comparable, and DELE can even be cheaper.

Which should you take? It depends on your goal

This is the whole question. Choosing between DELE and SIELE always comes down to why you need the certificate.

Choose DELE if:

  • You're applying for Spanish nationality. By law you need DELE A2 (alongside the CCSE culture test) — SIELE is not accepted for this. If that's your goal, there is no alternative. We cover the full route in what Spanish level you need for residency and nationality.
  • You want a certificate that never expires. Pass once and you're set, even if you won't use it for another decade.
  • You're enrolling in a Spanish university for a full degree. DELE B2 or C1 is accepted everywhere without question.
  • An employer specifically asks for DELE — common in Spanish public bodies and large corporations.

Choose SIELE if:

  • You need a result fast — a certificate in three weeks beats waiting three months.
  • You're unsure of your level and want an honest score rather than gambling on B1 vs B2.
  • Flexible scheduling matters most — you can sit it almost any day of the year.
  • You only need to prove one skill — sit a single module for around €60 instead of the full exam.
  • Your Spanish is Latin American — SIELE weighs all varieties equally.

And yes, you can take both. It's common to sit SIELE first for a quick result, then prepare properly for DELE as a permanent diploma later.

What level do you actually need?

As a rough guide: Spanish nationality needs DELE A2; a student visa usually A2–B1; a Spanish degree B2, often C1; skilled work B2–C1; and teaching Spanish C1–C2. For everyday life no certificate is required at all, though A2–B1 is where daily life starts to feel comfortable. If you're not sure how long that takes, see how long it takes to learn Spanish by level.

Preparing for each exam

Preparation differs, and not just in format. For DELE, you work toward one specific level — you know exactly what tasks appear and how long to speak, and practising the speaking test with a teacher makes a real difference. For SIELE, you're chasing your best score across all four skills at once, so speed on the computer and comfort with the Spanish keyboard layout (ñ, á, ü) matter — plenty of people lose marks by running out of time, not from weak Spanish.

One tip that saves people: even if you speak Spanish fluently, set aside three to four weeks to prepare for the exam format itself. Fluent Spanish and a passed DELE are two different disciplines — many candidates fail an exam below their real level simply because they didn't know the task types.

Still not sure?

Start with SIELE to get an honest read on your level, then decide whether to commit to DELE. If nationality is your goal, though, the answer is simple: DELE A2. The format also touches on some of the trickiest parts of Spanish grammar for English speakers, so targeted practice pays off. We prepare students for both exams using official Instituto Cervantes and University of Salamanca materials, and on your first lesson a teacher pins down your level and helps you pick the right exam. Book a free trial lesson at Hola School and we'll help you decide.