Alternatives

Products that do what Grok Voice Think Fast 1.0 does

Our most capable voice agent is now available via API

1. 1
   Grok Voice Agent API▲127

   Bringing the power of Grok Voice to all developers

   Dec 2025

2. 2
   Voice Agent API▲118

   One API to build production-ready voice agents

   Apr 2026

3. 3
   Grok Voice API▲119

   Fast, accurate STT and TTS APIs at the best price

   Apr 2026

4. 4
   SpeechifyAI Simba Voice Agents▲161

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

   Jul 2026 · speechify.ai

5. 5
   Async Voice AI▲248

   High-quality text-to-speech, designed for developers

   2025

6. 6
   Listnr 2.0▲248

   Create realistic AI Voiceovers within seconds

   2022

7. 7
   Grok's Text to Speech API ▲119

   Grok's Text to Speech API is now available.

   Mar 2026

8. 8
   Hathora▲148

   Explore, test & deploy production ready voice models.

   Nov 2025

9. 9
   Microsoft AI (MAI) Voice-1▲120

   Highly expressive and natural speech generation model

   2025

10. 10
    Voicely 2.0▲190

    Explore the most advanced voice cloning software ever

    2023

11. 11
    AssemblyAI: Universal-3 Pro Streaming▲118

    The most accurate streaming speech model for voice agents.

    Mar 2026

12. 12
    Speechly Reactive Voice UI API▲147

    Build voice features remarkably fast

    2022

13. 13
    Canonical AI▲227

    Analytics for your voice AI agent

    2024

14. 14
    Super Grok▲142

    Voice, custom prompts, languages and more

    2025

15. 15
    Voicebun▲189

    Build voice agents in seconds

    2025

16. 16
    Grok 4.2 Beta 2▲106

    Real-time multi-agent AI that debates itself to find truth.

    Apr 2026

17. 17
    Voicejacket (Beta)▲205

    AI voices so real you won't believe it

    2023

18. 18
    VoiceGenie▲204

    Generative AI voice bot for sales, support, and beyond

    2023

19. 19
    Cohesive AI Voices▲150

    Human-like voices for every content

    2023

20. 20
    Parrot Speech-to-text API▲194

    Fast, accurate STT for production-grade voice agents

    May 2026

21. 21
    Grok Imagine API▲126

    SOTA video generation across quality, cost, and latency

    Jan 2026

22. 22
    Synthflow▲149

    Create human-like AI voice agents with no-code

    2024

23. 23
    Grok Imagine 1.0▲160

    It’s never been easier to bring your ideas to life.

    Feb 2026

24. 24
    Calldock▲114

    Instantly call your website leads with AI voice agents

    2025

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