GPT-4o Realtime

openaiopenai/gpt-4o-realtime-preview

Realtime text and audio model from the GPT-4o family.

Context Length

Max Output

Input Price

$6.00/ 1M tokens

Output Price

$24.00/ 1M tokens

Modalities

textaudio→textaudio

Pricing Breakdown

Type	Rate
Input	$6.00 / 1M tokens
Output	$24.00 / 1M tokens
Audio input	$48.00 / 1M tokens
Audio output	$96.00 / 1M tokens

Supported Parameters

modalitiesvoicetemperaturetoolsinput_audio_formatoutput_audio_format

API Usage Examples

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-4o-realtime-preview",
    "modalities": ["text", "audio"]
  }'