What does the Carna AI do?

The same AI engine powers every Carna product. Its capabilities:

• Voiced listening dialogues — a generated listening script is voiced so that each speaker in the dialogue sounds different.
• IELTS speaking band estimation — scoring on the four rubrics (Fluency and Coherence, Lexical Resource, Grammatical Range, Pronunciation) plus a 9-band overall estimate from a one-minute speech sample.
• Essay grader — IELTS Task 1 and Task 2 scoring with the four official rubrics (Task Achievement, Coherence, Lexical Resource, Grammatical Range), with sample band-7+ essays.
• AI test generator (Schools) — a CEFR-aligned test in about 90 seconds, with selectable level, age, grammar focus, question types and count. Tests can be shared and rated.
• 9 question types — single choice, multiple choice, true or false, fill in the blanks, matching, ordering, categorisation, short answer and essay, across reading, writing, listening, grammar and vocabulary.
• 8 scored skills — vocabulary, grammar, listening, reading, speaking, writing, pronunciation and general English, each on its own 0–100 scale.
• Curriculum → Unit → Module hierarchy — CEFR-aligned from A1 to C2, used by individual learners and by institutions building their own curriculum.
• Custom content upload (Schools and Business) — upload a textbook, internal documents or a sales playbook; Carna teaches and tests from it.
• Workforce CEFR map (Business) — team-level CEFR distribution and skill-gap analytics.
• ROI calculator (Business) — projects training spend against legacy providers.
• Speaking grading queue (Schools) — borderline cases are routed to a human reviewer; aligned to Cambridge Speaking examiner rubrics.
• Teacher dashboard — class roster, CEFR distribution, common-mistake clusters and progress over time.
• Role-based access, SSO (SAML, OIDC) and SCIM — on the Schools and Business tiers.

See the product tour: carna.ai/en/product