AI · alternatives · 2026

24 alternatives to Lexika – Search Engine for Spoken Words/Phrases in YouTube Videos

Power enterprise voice solutions with Deepgram’s Speech-to-Text, Text-to-Speech, and Voice Agent APIs. Real-time, accurate, and built for scale.

Lexika is a speech-to-text and text-to-speech platform that enables enterprise voice solutions through APIs. It uses Deepgram's Flux models for real-time speech recognition and natural-sounding speech generation… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Lexika – Search Engine for Spoken Words/Phrases in YouTube Videos launched in 2015; newer entries below may have overtaken it.

1. 1
   DeepGram▲819

   Search engine for speech

   2016 · deepgram.com · its alternatives →

2. 2
   AssemblyAI - Speech-to-Text API▲996

   APIs to automatically transcribe and understand audio

   2017 · assemblyai.com · its alternatives →

3. 3
   Unlimited Voice Transcription with API▲476

   Fast voice-to-text on 92 languages

   2023 · lingvanex.com · its alternatives →

4. 4
   VoiceOps▲401

   the #1 AI platform for analyzing enterprise voice

   2017 · voiceops.com · its alternatives →

5. 5
   OpenAI GPT-4o Audio Models▲379

   Build Powerful Voice Agents

   2025 · openai.com · its alternatives →

6. 6SA
   Siri-as-a-Service Speech API▲242

   2014 · wit.ai · its alternatives →

7. 7
   Omakase.ai Voice▲287

   Your Voice-Powered Sales Agent. One URL.

   2025 · omakase.ai · its alternatives →

8. 8
   Gan.AI TTS Model & API Playground▲333

   First TTS model to support all 22 Indic languages + English

   2024 · its alternatives →

9. 9
   Speech-to-Text API by Deepgram Nova▲110

   Next-Gen Speech-to-Text with Unmatched Performance

   2023 · deepgram.com · its alternatives →

10. 10
    api.ai▲299

    Build your own Siri. Speech interface for apps and devices.

    2014 · its alternatives →

11. 11NT
    Neural text to speech with dozens of celebrity voices▲462

    2020 · vocodes.com · its alternatives →

12. 12
    Deepgram MissionControl▲159

    Train and deploy speech AI models for free

    2020 · console.deepgram.com · its alternatives →

13. 13
    Octave TTS▲282

    Describe any AI voice and prompt its emotional delivery

    2025 · hume.ai · its alternatives →

14. 14
    Lexi: write well by talking▲96

    iOS AI voice keyboard

    2023 · apps.apple.com · its alternatives →

15. 15
    Verbatik 2.0▲99

    Try all new Verbatik with easy API integration

    2023 · verbatik.com · its alternatives →

16. 16
    AI Voices by Asyncflow v1.0▲401

    Premium AI voice quality without the premium price tag.

    2025 · async.com · its alternatives →

17. 17
    Voiser▲92

    Transform speech-to-text and text-to-speech with AI Power

    2023 · voiser.net · its alternatives →

18. 18
    Orate▲258

    The AI toolkit for speech

    2025 · ai-sdk.dev · its alternatives →

19. 19
    Lightning V3▲311

    Add AI Voice & Chat Agents directly to your website.

    Apr 2026 · smallest.ai · its alternatives →

20. 20
    SpeechFlow▲118

    Multilingual speech-to-text API trained on 100M+ utterances

    2023 · its alternatives →

21. 21
    Kyutai TTS▲181

    The voice for your real-time AI applications

    2025 · kyutai.org · its alternatives →

22. 22
    Vocalo.ai▲178

    Become a Fluent English speaker by talking with AI

    2024 · vocalo.ai · its alternatives →

23. 23
    SpeechifyAI Simba Voice Agents▲161

    Voice agents powered by Simba 3.2 the world's #1 voice model

    Jul 2026 · speechify.ai · its alternatives →

24. 24
    Parrot Speech-to-text API▲194

    Fast, accurate STT for production-grade voice agents

    May 2026 · ringg.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →