Average cost per minute for AI voice agents built on Retell

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Hey Sabari,

There’s heaps of huge if/buts/maybes in this scenario.

  1. It depends on your telephony charges, ie if your using twilio they will have their own SIP trunking rate you need to account for. Unless you’re in the USA these will have to be managed external to retell (as far as I am aware)
  2. It depends on the compelxity of the prompt/agent - if you have a single agent prompt but are using 10,000 token Agent prompt then your cost will be higher than someone who has a much shorter agent prompt.
  3. Middleware/API services - are you connecting your agent externally, you will need to account for these? (can be a fraction of a cent per api call depending on your setup)

To give you a super rough Idea, I have a bunch of clients and so far YTD we have found the average to be around $0.17 US per minute to be the average. This is JUST the retellai cost.

This accounts for a mix of both higher complexity and lower complexity agents.