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Alternatives to Speko

Research overview

10 alternatives

  1. 1Text-to-speech and voice cloning for voice applications

    Cartesia

    20% off

    AI Voice API

    Cartesia provides advanced text-to-speech and voice cloning capabilities that compete with Speko's TTS layer. Cartesia is a specialized TTS provider, while Speko is a broader voice routing platform.

    Free planFree trialSOC 2HIPAAGDPR

    Price$5+ / month

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    Vendor sources: speko.ai [1]cartesia.ai [2]

    Last verified
  2. 2Unified voice AI platform with STT, TTS, and translation

    Soniox

    AI Voice API

    Soniox provides a unified platform for speech-to-text, text-to-speech, and translation in 60+ languages, similar to Speko's core offering. Both are routing/platform solutions, though Soniox owns its models while Speko routes to external providers.

    Usage-basedText-to-Speech PlatformsCloud Infrastructure

    PriceUsage-based

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    Vendor sources: speko.ai [1]soniox.com [2]

    Last verified
  3. 3Text-to-speech generation and voice cloning for voice agents and conversational AI

    Fish Audio

    Text-to-Speech

    Fish Audio provides text-to-speech and voice cloning capabilities that overlap with Speko's TTS component. However, Fish Audio is primarily a standalone TTS/voice cloning platform, while Speko is a unified router for STT, LLM, and TTS. Fish Audio could replace Speko's TTS layer but not the full voice agent infrastructure.

    Free planFree trialAI Voice GenerationAI Voice API

    Price$11+ / month

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    Vendor sources: speko.ai [1]fish.audio [2]

    Last verified
  4. 4AI Voice API, Machine Learning APIs

    iFlytek Open Platform

    AI Voice API

    Chinese speech AI platform offering voice services, translation, and enterprise AI solutions.

    Free planFree trialMachine Learning APIsAIOps Platforms
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  5. 5AI Voice API, Text-to-Speech

    Neuphonic

    AI Voice API

    Conversational voice AI platform offering low-latency TTS for agents and voice applications.

    Free planTiered plansAI Voice GenerationConversational AI

    Price$79+ / month

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  6. 6AI Voice API, Speech-to-Text Platforms

    Deepgram

    AI Voice API

    Deepgram provides speech-to-text and voice understanding APIs for teams building transcription, voice workflows, and AI-powered audio products.

    Unified voice agent APISpeaker diarization and identificationPii redaction and privacy protection

    PriceUsage-based

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  7. 7AI Voice API, Speech-to-Text Platforms

    Picovoice

    AI Voice API

    On-device voice AI platform providing wake word detection, speech-to-text, and NLU without cloud dependency.

    Free planFree trialSpeech AISpeech-to-Text Platforms
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  8. 8AI Voice API

    AI|COUSTICS

    AI Voice API

    AI-powered speech enhancement API that isolates and improves voice quality in real-time for calls and recordings.

    Free planFree trialTiered plansSpeech AIAI Voice & Speech
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  9. 9AI Voice API

    Palabra AI

    AI Voice API

    Real-time voice translation API that enables multilingual conversations with low latency and voice cloning.

    Free trialTiered plansAI TranslationVideo Conferencing

    Price$30+ / month

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  10. 10AI Voice API, Speech-to-Text Platforms

    AssemblyAI

    Speech-to-Text Platforms

    AssemblyAI provides speech-to-text, real-time transcription, and voice intelligence models for teams shipping voice AI and audio-driven workflows.

    Real time speech to text transcriptionSync speech to text API
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