TTS 1 HD
TTS 1 HD is OpenAI's text to speech model, available from 3 providers, starting at $30.00 / 1M input. A high-quality text-to-speech model optimized for audio fidelity, producing natural-sounding speech for non-realtime use cases.
| Specifications | |
|---|---|
openai-tts-1-hd | |
| Text to Speech | |
| Active | |
| OpenAI | |
| Text | |
| Audio | |
| · 3 years ago | |
| Benchmarks | |
|---|---|
| Elo Rating | 1099#152 |
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text·
Image·
Audio✓
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Audio In $ / 1K chars | |
| N/A | $0.030 | |
| N/A | $0.030 | |
| $30.00 | N/A | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Inworld Realtime TTS 2 | — | — | — | — | Available |
| Step TTS 2 | — | — | — | — | Available |
| StyleTTS 2 | — | — | — | — | Available |
| TTS HD 2.5 | — | — | — | — | Available |
| TTS 1 HD | — | $30.00 | — | Current | |
| TTS 1 | — | $15.00 | — | Available | |
| Inworld Realtime TTS 1.5 Max | — | — | — | — | Available |
| Inworld Realtime TTS 1.5 Mini | — | — | — | — | Available |
| Inworld TTS 1 Max | — | — | — | — | Available |
| Inworld TTS 1.5 Max | — | — | — | — | Available |
| Inworld TTS 1.5 Mini | — | — | — | — | Available |