Learn English with artificial intelligence
Ready to finally speak English with confidence? Studio Cortex builds a complete learning path adapted to your level, goals, and pace. Grammar, vocabulary, listening skills, business English — every lesson is custom-built by our AI so you actually improve, not just go through the motions.
Why learn English in 2026?
A decisive edge in the global job market
Let's be real: in today's global economy, English proficiency still makes a major difference on your resume. Studies show that over 60% of international job postings require fluent or professional-level English. And the numbers speak for themselves: at an equivalent position, a bilingual candidate negotiates 15 to 20% more in salary on average. It's not a bonus anymore — it's a baseline requirement.
Travel without stress, truly connect
Ordering a meal or asking for directions is one thing. But chatting with locals at a pub in Dublin, haggling at a market in London, or understanding a guide in a US national park — that's a whole different level. English gives you access to travel experiences that automatic translators will never replace. Human connection doesn't get translated by an app.
Access resources that other languages simply don't cover
The vast majority of online content — scientific papers, tech tutorials, podcasts, courses — is in English. Waiting for a translation often means waiting months, or never getting access at all. By reading directly in English, you're always one step ahead. Developers know this well: official documentation is always in English first.
Work internationally without hitting a ceiling
Whether you're aiming for a role at an international company or a remote job with a US-based startup, English is the default working language. Meetings, emails, presentations — without a solid level, you'll plateau. With 1.5 billion speakers worldwide, English remains the lingua franca of business.
What you'll learn
Grammar fundamentals, without the boring jargon
Tenses, conjugation, sentence structure — we go back to basics if needed, but without drowning you in theory. The AI builds exercises around real-life situations. You learn the present perfect because you need it to talk about your experiences, not because it's the next checkbox in a textbook.
Everyday and specialized vocabulary
The 3,000 most common words cover roughly 95% of everyday English. The course starts there, with flashcards and in-context practice. Then we move to vocabulary specific to your field: tech, business, healthcare, legal. Every word is anchored in a real sentence, not a list to memorize by heart.
Progressive listening comprehension
Understanding a native speaker at full speed — that's the wall most learners hit. The course includes graded listening exercises: slow and clear at first, then with varied accents (American, British, Australian). The goal: understand a podcast or a TV show without subtitles within a few months.
Speaking and pronunciation
Speaking is where it really counts. The AI tutor has you practice through role-play scenarios: job interviews, small talk, phone calls. You work on pronunciation for the sounds that trip up non-native speakers (the "th", vowel pairs, word stress). No judgment, just smart repetition.
Professional and business English
Writing a clear email, leading a meeting, delivering a presentation — office English has its own rules. The course covers standard phrases, corporate vocabulary, and most importantly, tone. Because the difference between "Please find attached" and "Here's the file" depends on context. The AI teaches you to navigate these nuances.
IELTS and TOEFL preparation
If you're taking the IELTS or TOEFL, you need targeted practice. The AI generates exercises modeled on the official format: reading comprehension, timed listening exercises, and argumentative writing. A Band 6.5 on IELTS (B2 level) is often the minimum requirement. We get you there methodically.
How it works
Tell us your level and goals
Are you a complete beginner or intermediate but rusty? Preparing for the IELTS, moving to London, or just want to watch movies without subtitles? Describe your situation in a few words. The more specific you are, the more relevant the course will be.
The AI builds your personalized course
In seconds, our AI (powered by Claude from Anthropic) generates a structured course with progressive lessons, validation quizzes, vocabulary flashcards, and practical exercises. This isn't a generic copy-paste curriculum — every path is unique, built around what you described.
Practice with the AI tutor
The AI tutor is available anytime to answer your questions, correct your sentences, help you review, or simulate a conversation. It's like having a patient private tutor available 24/7, without the stress of a face-to-face session. You can ask it to explain a grammar rule, rephrase a sentence, or give you a pop quiz.
Example prompts
Here's what you could ask Studio Cortex to learn english :
“Professional English for meetings”
→ A complete course on the key vocabulary and expressions for actively participating in meetings in English: speaking up, rephrasing, expressing polite disagreement, summarizing decisions. With realistic role-play scenarios and quizzes.
“Prepare for the IELTS in 3 months”
→ A week-by-week structured training program with IELTS-style exercises (listening and reading), strategies to save time on each section, and practice tests to measure your progress. Target: Band 6.5 or higher.
“Improve my listening comprehension”
→ A listening-focused path with progressive exercises: slow dialogues, then interviews, podcasts, and movie clips. Work on contractions ("gonna", "wanna"), connected speech, and different English accents.
“English for traveling in the US”
→ A practical course focused on real-world situations: ordering at a restaurant, going through customs, renting a car, asking for directions, striking up a conversation. With American-specific vocabulary and cultural tips.