Reliable language assessment

Fast, accurate, online – for German and English

The onSET is a language placement test based on the C-test format. It is offered worldwide and assesses the general language proficiency in German and English. It provides reliable results for course placement, guidance and orientation. 

Universities and language institutes use the onSET to place language learners, students and scholarship holders in language courses and to monitor their learning progress.

The onSET is administered computer-based at licensed g.a.s.t. test centres. Results are available immediately after the test.

Try the sample test

The sample test gives you an introduction to the onSET and the C-test format. Its structure and format are the same as those of the actual test, but the sample test is shorter and easier. You can choose either the German or the English version of the test.

Register as a tast taker

To take the onSET, please register on the g.a.s.t. portal for test takers. You can then select your test centre and preferred test date.

Language placement with the onSET

How can language placement be carried out quickly, reliably and without the hassle of paperwork? Examples from the University of Freiburg, Munich Adult Education Centre and Osnabrück University show how the onSET can be successfully integrated into language placement processes.


Read the testimonials

5 Steps to Classification

Create an account on the g.a.s.t. portal for participants.

Once you are registered, you will receive your transaction number (TAN), which you need to book your test.

Choose a test centre, an available date, and your test language.

Sit the onSET at your test centre of choice. Your result is available immediately after the test.

Your certificate is available as a PDF in the g.a.s.t. portal for participants.

Any questions?
We are happy to support you.

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