Do pauses, language changes or plan changes affect billing?

Realtime interpretation does not round every sentence up to a whole minute. Within a session, billable source duration is accumulated separately for each target language; each language's Characters are rounded up to an integer and then added together. Rounding is not performed separately for each sentence, packet or round. Returning to a previous target language continues its total in the same session.

The applicable plan and rate are fixed when a session starts. Pausing, resuming on the original page, or changing language or voice does not create a new session or reset the rate. After you end the session and start another, the new session uses the applicable account state. Upgrading or changing plans during a session does not retroactively change that session's rate.