Compare the real cost of LLM, speech-to-text, and text-to-speech providers for your conversational AI stack — per minute, per hour, at scale.
Calculator last updated: 08.05.2026
Costs are derived from a real dataset of 40 conversations averaging 140 seconds each. Token counts include message, transformation, and classification events. Audio durations are estimated at 150 words per minute.
Prices reflect publicly listed API rates. Actual costs may vary based on volume discounts, caching, or regional pricing.
Bonsai is the open-source platform for branded conversational AI agents. This calculator helps you estimate infrastructure costs before you deploy. View on GitHub →
The numbers in this calculator come from a real Lead Qualifier deployment — 40 live conversations, measured end-to-end. You can build the exact same agent using the open-source Bonsai Examples library.
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