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gpt-realtime-2.1-mini

openaiopenai/gpt-realtime-2.1-mini

Cost-efficient successor to gpt-realtime-mini. Gated for the same reason as gpt-realtime-2.1 — no bidirectional WebSocket serving path.

Context Length
--
Max Output
--
Input Priceper 1M tokens
$0.648/ 1M tokens
Output Priceper 1M tokens
$2.59/ 1M tokens

Modalities

textaudio→textaudio

Pricing Breakdown

TypeRate
Input$0.648 / 1M tokens
Output$2.59 / 1M tokens

Supported Parameters

modalitiesvoicetemperaturetoolsinput_audio_formatoutput_audio_format

API Usage Examples

Use the global api.therouter.ai endpoint shown below for new integrations; the legacy China accelerated endpoint is retired.

cURL
curl https://api.therouter.ai/v1/realtime/sessions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "openai/gpt-realtime-2.1-mini",
    "modalities": ["text", "audio"]
  }'
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