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OpenAI TTS

Simple usage-based TTS inside a general AI platform

Among the 10 text-to-speech tools we track, OpenAI TTS has the 4th-cheapest fast-model rate.

See pricing

Facts verified Jul 20, 2026Try OpenAI TTS

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What we know about OpenAI TTS

OpenAI TTS is a text-to-speech apis platform: simple usage-based TTS inside a general AI platform. This profile tracks what we have verified about OpenAI TTS, each fact linked to a primary source and dated.

OpenAI TTS does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current OpenAI TTS quote, it is the fastest way for us to close that gap.

On capabilities, OpenAI TTS covers streaming audio output, realtime websocket api, emotion / style controls, and soc 2 type ii, and does not offer instant voice cloning and professional voice cloning. Each of those is verified against OpenAI TTS's own docs or dashboard, not marketing copy.

For compliance, with OpenAI TTS: SOC 2 Type II is in place. If you are in a regulated space, confirm the current posture with OpenAI TTS before you commit, since these change plan by plan.

In total we track 15 verified facts for OpenAI TTS today, and add coverage as the ingestion pass revisits it. Where a number is a vendor claim rather than our own measurement, it is labeled as such on the OpenAI TTS fact sheet below, and each row links the primary source it came from so you can check our work.

Whether OpenAI TTS is the right call depends on your use case more than any single spec, which is why the head-to-head verdicts below score it per scenario rather than crowning one overall winner. Use the fact sheet for the raw numbers, and the matchups for how OpenAI TTS actually fares against the platforms buyers most often weigh it against.

Fact sheet

Pricing
Pricing facts
Price per 1M characters (flagship model)30 $/1M charsJul 20
Price per 1M characters (fast model)15 $/1M charsJul 20
Pricing modelusageJul 20
Capabilities
Capabilities facts
Streaming audio output✓ YesJul 20
Realtime websocket API✓ YesJul 20
Voice library size13 built-in voicesJul 20
Instant voice cloning✗ NoJul 20
Professional voice cloning✗ Not offered.Jul 20
Emotion / style controls✓ YesJul 20
Compliance & trust
Compliance & trust facts
Voice cloning consent requirementsn/a - no cloningJul 20
SOC 2 Type II✓ YesJul 20
Model weights licenseclosedJul 20
Build experience
Build experience facts
Official SDKsPython, JavaScript/TypeScript (official client libraries)Jul 20
Output formatsMP3 (default), Opus, AAC, FLAC, WAV, PCMJul 20
Max input per request4096Jul 20

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OpenAI TTS head-to-head

OpenAI TTS vs ElevenLabswon 1 · lost 4 · tied 1
AudiobookswonContent CreatorslostDeveloperslostDubbinglostSelf-HostedtieVoice Agentslost
OpenAI TTS vs Cartesiawon 1 · lost 4 · tied 0
AudiobookswonContent CreatorslostDubbinglostSelf-HostedlostVoice Agentslost
OpenAI TTS vs Google Cloud TTSwon 1 · lost 3 · tied 1
AudiobookslostContent CreatorslostDubbinglostSelf-HostedtieVoice Agentswon
OpenAI TTS vs Azure Speechwon 0 · lost 5 · tied 0
Content CreatorslostDeveloperslostDubbinglostSelf-HostedlostVoice Agentslost
OpenAI TTS vs Voxtral TTSwon 3 · lost 3 · tied 0
AudiobookslostContent CreatorswonDeveloperswonDubbinglostSelf-HostedlostVoice Agentswon