OpenAI text-to-speech model with steerable delivery via instructions. Generates speech via the /v1/audio/speech endpoint.
PassingRight routes requests to the best providers that are able to handle your prompt size and parameters.
OpenAI text-to-speech model with steerable delivery via instructions. Generates speech via the /v1/audio/speech endpoint. You can access it through PassingRight's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for GPT-4o Mini TTS on PassingRight starts at $0.60 per million input tokens and $12.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
GPT-4o Mini TTS supports a context window of up to 2,000 tokens on its largest provider deployment.
GPT-4o Mini TTS is served by OpenAI through PassingRight. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
No. GPT-4o Mini TTS does not currently support tool calling or structured JSON outputs through PassingRight.
GPT-4o Mini TTS was released on March 20, 2025.
GPT-6 Sol
Up to 10% off1,050,000 context$1.80 in / $9.00 out per 1M
GPT-6 Luna
Up to 10% off1,050,000 context$0.09 in / $0.45 out per 1M
GPT Image 2.5 Flare
Up to 10% off$4.50 in / $0.00 out per 1M
GPT Image 2.5 Sunburst
Up to 10% off$4.50 in / $0.00 out per 1M
GPT-6 Astra
Up to 10% off1,050,000 context$9.00 in / $45.00 out per 1M
GPT Transcribe
Up to 10% off$0.00 in / $0.00 out per 1M