Evidence-based AI technology for measurable English speaking improvement
ELSA Speak is built on years of applied research in speech recognition, second-language acquisition, and pronunciation pedagogy. Our AI-driven methodology is designed to deliver measurable improvements in English speaking skills, supported by internal studies and real-world learner outcomes
Science-Backed Learning Efficacy
Measurable Improvement
Internal studies show that learners using ELSA Speak demonstrate statistically significant improvements in pronunciation accuracy after sustained practice, particularly in commonly mispronounced phonemes for non-native speakers.
Increased Speaking Confidence
Beyond technical accuracy, learners report increased confidence and improved intelligibility in real-world conversations, a key indicator of effective speaking instruction.
Customer Case Studies
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ELSA replaced traditional classroom learning with a modern, flexible, and personalized AI-driven approach.
Employees were motivated to practice consistently through a structured rewards policy, ensuring they completed their required practice time each month.
Since 2020, ELSA has been offered to over 4,500 FPT employees.
Results show that 85% of employees improved over a three month study period, and engagement was high, with over 1000 hours of learning recorded.
World Class AI-based Learning Methodology
Trained on real-world language to support how you or your employees learn and speak.
Communicative Focus
Lessons prioritise meaningful, context-rich speaking practice rooted in Communicative Language Teaching (CLT).
Real World, Task-based Activities
ELSA incorporates task-based language teaching (TBLT) by designing lessons around real-world communication tasks that mirror professional and everyday scenarios.
Fluency through Intelligibility
ELSA Speak focuses on clear, intelligible English—not perfect accents—to help learners communicate confidently in a global workplace.
AI-Powered Personalized Learning
ELSA Speak uses intelligent AI to analyze your speech in real time and deliver personalized feedback and practice that accelerates progress toward your learning goals.
AI You can Trust
Trained on real-world language to support how you or your employees learn and speak.
Personalized Learning
We blend generative AI with a curriculum and tracking for personalized, measurable learning
Hyper-Personalized Learning Paths
ELSA tracks performance across five competency areas and continuously adapts lessons to each learner's unique strengths, gaps, and pace.
Data-Driven Progress Tracking with EPS
The ELSA Proficiency Score gives learners a real-time, personalized measure of spoken English — mapped to globally recognized CEFR and IELTS benchmarks.
Smart Activity Recommendations Based on What Works
ELSA's AI identifies which activity types drive the most improvement for each learner, prioritizing high-impact exercises like pronunciation drills and conversation practice.
LLM & Speech AI Stack
Our fine-tuned models, accent-trained ASR, LLMs and retrieval services power grounded, scalable learning.
Real-Time, Granular AI Feedback
ELSA delivers instant corrections down to the part-of-speech level — covering pronunciation, grammar, vocabulary and more — immediately after every spoken response.
Inclusive ASR Trained on Global Accents
ELSA's speech recognition is trained on both native and non-native voice data, ensuring accurate and fair assessments for learners from any linguistic background.
Scientifically Validated Scoring Engine
ELSA's AI scoring achieves 93.88% agreement with expert human raters within ±1 CEFR band, confirming it as a credible, enterprise-grade assessment tool.
Classic AI Foundation
Proprietary speech and NLP engines that turn every utterance into rich, multidimensional insights about how you speak.
Multidimensional speech analysis
ELSA’s classic AI stack combines advanced speech recognition and NLP to analyze pronunciation, fluency, prosody, grammar, and vocabulary in every sentence.
High-precision scoring engine
Models are trained on millions of non‑native recordings to produce reliable, CEFR-aligned scores that reflect real-world speaking ability—not just test tricks.
From raw audio to clear guidance
The system transforms raw audio and transcripts into easy-to-understand scores, visuals, and tips that clearly show learners exactly what to fix and where to focus.
Accented Speech Recognition, Built for Learners
A speech engine optimized for non-native English, so every accent is heard—and scored—fairly.
Conversations with a Purpose
A controllable generative AI layer that adapts tone, context, and difficulty—while staying aligned with ELSA’s pedagogy.
Learn more about ELSA
Join thousands of schools already using ELSA to build students’ fluency, accuracy, and confidence — all while saving teachers hours each week. Experience firsthand how personalized AI feedback and real-time analytics make every English lesson more effective.