Engage your users
and stand out from
competitors

Leverage ELSA’s world-leading Speech Recognition API for your business’ unique needs.

A game-changing solution
for your education platform

Top ASR in the industry

Give your users world-class speech recognition feedback - a high value feature for language learning.

3x conversion rate

Convert users to paying customers at 3x the industry standard rate, thanks to the interactive and engaging nature of speaking practice with ELSA.

8x user engagement

Keep users engaged for longer. An ELSA user’s average session time is 23 minutes - in the top 10% of language learning apps.

How does ELSA API work?

1API input
  • Unscripted: spontaneous speech, provided and spoken by user
  • Scripted: pre-defined text for the user to read
2API output

Real-time feedback and recommendations to improve English skills

[Demo] API output feedback

Your Overall Score

Technology that accurately recognizes
and gives feedback to non native speakers

Our AI is constantly advancing with
20M+ users practicing on
average 23 minutes/session


With users from 100+ countries
in the world, our AI trains with a diverse set of non native accent data


95% of users express higher
confidence in speaking English after
practicing for at least 10 minutes
a day for 3 months

ELSA API can detect
speech errors at various levels

Word Pronunciation

Speak the word and get pronunciation feedback for each sound.

interesting

/ˈɪn.trɪ.stɪŋ/

Sentence Pronunciation

Receive feedback on your pronunciation, intonation, and fluency on a sentence.

Would you like to try?

/wʊd ju laɪk tə traɪ/

Unscripted Speech

Receive feedback on your pronunciation, vocabulary, grammar & more for your speech.

Express yourself in English and get detailed feedback on your speech.

That’s cool! Let me try...

Simple, flexible pricing

No overcharges or hidden fees.
We prefer simple and transparent.

STANDARD
Scripted
$0.008
Unscripted
$0.02
Per every 15s of audio
PREMIUM
$0.01
$0.025
Per every 15s of audio

AUDIO LENGTH (PER REQUEST)

Scripted
Unscripted
STANDARD
Up to 20s
Up to 20s
PREMIUM
Up to 45s
Up to 150s

USAGE

Word pronunciation

Scripted
Unscripted
STANDARD
PREMIUM

Sentence pronunciation

STANDARD
PREMIUM

Multiple choice pronunciation

STANDARD
PREMIUM

Fluency assessment

STANDARD
PREMIUM

Spontaneous speech assessment

STANDARD
PREMIUM

IELTS assessment

STANDARD
PREMIUM

FEEDBACK PROVIDED


Sentence, word and phoneme scores

STANDARD
PREMIUM

Sentence and phoneme mispronunciations and feedback hints

STANDARD
PREMIUM

Word stress, reading speed, mispronunciation rate and pausing metrics

STANDARD
PREMIUM

Fluency and intonation metrics

STANDARD
PREMIUM

Spoken transcript

STANDARD
PREMIUM

Grammar score and feedback

STANDARD
PREMIUM

Vocabulary score and feedback

STANDARD
PREMIUM

Ready to learn more about ELSA API?

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