aiAI Calculator Pro

Text-to-Speech (TTS) Cost Comparison

Compare TTS models by price per million characters.

Results update automatically as you type.

Result
Text-to-speech models compared
10,000,000 characters/month · ranked cheapest first
ModelProviderRateMonthly
GPT-4o mini TTSopenai$15/1M chars$150.00

Compare text-to-speech models by their price per million characters and your monthly volume, ranked cheapest first.

How this is calculated

This calculator uses the comparisons formulas described in our methodology. All figures are estimates for planning; verify current pricing with each provider before relying on them.

Worked example (defaults)

With the default inputs above, here is the result:

Result
Text-to-speech models compared
10,000,000 characters/month · ranked cheapest first
ModelProviderRateMonthly
GPT-4o mini TTSopenai$15/1M chars$150.00

Frequently asked questions

How is TTS billed?+

Usually per character of input text (often quoted per 1M characters), sometimes per second of audio.

Does voice quality vary?+

Yes. Premium voices sound more natural but can cost more. Compare samples for your use case.

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