Models & Pricing

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ComparisonGPT Live 1 Voice
gpt-live-1-voice
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TypeLive voice—
Best forReal-time voice agents and phone-style calls—
TokenRex price$0.00058 per second—
Cached input / 1M tokensNo separate cached rate listed—
Cache write / 1M tokensNot applicable—
Cached outputNot offered · standard output rate applies—
Web searchNot applicable—
Market price$0.00083 per second—
Input token limit (provider)Within the context window—
Vendor input modalitiesText via tokenrex.speak—
Vendor output modalitiesStreaming live audio, Output transcript events—
TokenRex endpointsWebSocket /v1/live—
TokenRex inputText via tokenrex.speak—
TokenRex outputStreaming live audio, Output transcript events—
Underlying modelGPT Live 1—
Mode developed byTokenRex—
TaskText-to-speech (TTS)—
TransportLive WebSocket signaling + WebRTC audio—
Benchmarks

No overall score, winner or cost-versus-score frontier is calculated without comparable, attributable benchmark evidence. Different test configurations appear separately. Vendor capabilities are distinct from TokenRex API support.

— means no published value or no matching capability. Provider token limits are not tested gateway guarantees; TokenRex media controls and response formats are listed separately.

GPT Live 1 Voice

Sources and verification

Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.

Research notes (3)
  • A TokenRex instruction-based mode, not a separately trained OpenAI model or native standalone speech endpoint.
  • Connected time is billed per second with a 15-second minimum; idle time and muted playback remain billable.
  • Exact reading and permanent model silence are not guaranteed. Transcription clients must suppress playback.

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