I used this api call
https://api.vapi.ai/call/21fc0dfd-24d9-4bf2-bad9-e37ebd056a51 and got the following response as costs array i can see all cost are shown as 0. Could you please explain what does it mean. Does it mean the call costed 0 dollars ?
"costs": [
{
"cost": 0,
"type": "transcriber",
"minutes": 0.38456666666666667,
"transcriber": {
"model": "nova-2",
"provider": "deepgram"
}
},
{
"cost": 0,
"type": "model",
"model": {
"model": "gpt-4o-mini",
"provider": "openai"
},
"promptTokens": 1687,
"completionTokens": 0
},
{
"cost": 0,
"type": "voice",
"voice": {
"voiceId": "s3://voice-cloning-zero-shot/801a663f-efd0-4254-98d0-5c175514c3e8/jennifer/manifest.json",
"provider": "playht"
},
"characters": 0
},
{
"cost": 0,
"type": "vapi",
"minutes": 0.3166,
"subType": "normal"
},
{
"cost": 0,
"type": "analysis",
"model": {
"model": "claude-3-7-sonnet-20250219",
"provider": "anthropic"
},
"analysisType": "summary",
"promptTokens": 172,
"completionTokens": 47
},
{
"cost": 0,
"type": "analysis",
"model": {
"model": "claude-3-7-sonnet-20250219",
"provider": "anthropic"
},
"analysisType": "successEvaluation",
"promptTokens": 1001,
"completionTokens": 4
},
{
"cost": 0,
"type": "knowledge-base",
"model": {
"model": "gemini-1.5-flash",
"provider": "google"
},
"promptTokens": 0,
"completionTokens": 0
}
]