price tracker · updated 2026-07-04
Cheapest OpenAI TTS API
tts · per 1M characters
OpenAI's tts-1 is $15 per 1M characters and tts-1-hd is $30, with Deepgram Aura matching the entry rate among hosted TTS APIs.
Across the 3 endpoints we track for OpenAI TTS, posted prices span $15 at Deepgram Aura-1 to $30 at OpenAI tts-1-hd. That is a 2.0x gap for the same model, so provider choice matters more than most teams expect. Rates below are normalized to tts · per 1M characters and re-checked weekly.
OpenAI TTS
tts · per 1M characters
save up to 50%
Cheapest verified endpoint: Deepgram Aura-1 at $15 (tts · per 1M characters). Prices normalized per unit, ex. egress.
How we track this
We re-pull every known provider that serves OpenAI TTS weekly, normalize to a single unit (tts · per 1M characters), and pin the price the moment a provider posts it — we don't average across stale snapshots. Switching providers is usually a one-line base-URL change. Spot a stale price? tell us.
Frequently asked questions
What is the cheapest OpenAI TTS API?
Deepgram Aura-1 currently has the lowest price for OpenAI TTS at $15 (tts · per 1M characters), based on our 2026-07-04 check across 3 providers.
How much does the OpenAI TTS API cost?
Prices for OpenAI TTS range from $15 at Deepgram Aura-1 up to $30 at OpenAI tts-1-hd, measured as tts · per 1M characters. Same model, different bill: picking the right provider saves up to 50%.
Which providers offer OpenAI TTS?
We currently track 3 endpoints for OpenAI TTS: Deepgram Aura-1, OpenAI tts-1, OpenAI tts-1-hd. The table above ranks them by effective price, cheapest first.
How often are these prices updated?
We re-check every provider weekly and pin the exact posted price rather than averaging stale snapshots. This table was last refreshed on 2026-07-04.
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