Compare Speech APIs Live (OpenAI, Google, Deepgram, Soniox, etc.)

What it does

Omnio is the first multimodal AI model to deeply understand conversations and human behavior through audio. It identifies speakers, roles, emotions, sentiment, and speaking styles, along with sounds and non-verbal cues, offering unparalleled auditory insight.

Compare the speech-to-text APIs on the same audio, side by side, in real time. See which model actually gets your speech right. Then compare pricing and features before you commit. Most speech-to-text APIs charge extra for diarization, multilingual support, or other production features, so the headline price is not always the real price. Soniox uses one flat rate with everything included, no add-ons, no hidden feature fees. Set your monthly hours below and compare the all-in price side by side. Based on public pay-as-you-go pricing. Enterprise discounts and committed-use contracts may differ. Some providers charge separately for certain features. The calculator uses the public price for the…from soniox.com

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  AssemblyAI - Speech-to-Text API2017 · assemblyai.com · ▲996

  APIs to automatically transcribe and understand audio

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  Conversational AI 2.0 From ElevenLabs2025 · elevenlabs.io · ▲652

  Luke from ElevenLabs here. We just released Scribe Realtime v2, our new real-time Speech to Text model. We rebuilt it from the ground up around a new architecture that uses predictive transcription – it anticipates the next likely word before it’s spoken. That makes it both fast (around 150 ms latency) and highly accurate. Scribe v2 Realtime outperforms every low latency transcription model across 30 commonly used EU and Asian languages – 93.5% accuracy, compared to Gemini 2.5 Flash (91.4%), GPT-4o MiniTranscribe (90.7%), and Deepgram Nova 3 (85%). It supports 90+ languages including…

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  DeepGram2016 · deepgram.com · ▲819

  Search engine for speech

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  Next-Gen Speech-to-Text with Unmatched Performance

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  OpenAI GPT-4o Audio Models2025 · openai.com · ▲379

  Build Powerful Voice Agents

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  api.ai2014 · ▲299

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

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