Open-source repo compares realtime speech-to-speech models with cited sources

mahimairaja · reddit · 2026-09-17

Developer mahimairaja open-sourced a reference repo comparing realtime speech-to-speech models: OpenAI Realtime, GPT-Live, Gemini Live, Amazon Nova Sonic, Grok Voice, and Ultravox. It covers interruption behavior, protected speech, text responses, tool execution, history, integrations, pricing, evals, and open weights, with source links, verification dates, and ? for unknowns.

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