TTS-1 HD

by OpenAI

High-definition text-to-speech. Higher quality audio.

Context window
Max output
Input price
/1M
Output price
/1M

Available routes

The same TTS-1 HD runs on 1 route through the Opper gateway. Each route has its own data-handling posture.

ProviderRegionZero data retentionTrainingLoggingContractInputOutput
OpenAIUSOpt-inNo (opt-in)
Up to 30 days for abuse monitoring on stateless endpoints. Stateful endpoints (Conversations, ChatKit, Vector Stores) retain until deleted.
Enterprise

Human review: Abuse-flagged only

Other models from OpenAI

Start building with 300+ models

One API key. Every major provider. Up and running in minutes.

Get startedView Documentation
TTS-1 HD by OpenAI — pricing, benchmarks, hosting routes | Opper AI