OpenAI TTS
OpenAIAudio & Speech
86.0
Performance
★ 4.4
Rating
680
Reviews
Text-to-SpeechProprietary
About
OpenAI's text-to-speech API offering natural-sounding voices with real-time streaming support.
Strengths
Six built-in voices with natural prosody. Real-time streaming for low-latency applications. Simple API integration. Two quality tiers: standard (tts-1) for speed and HD (tts-1-hd) for quality. Good for conversational AI and content narration.
Specifications
- Context window
- —
- Parameters
- —
Available On
OpenAI APIAzure OpenAI
Features
text to speechreal time streamingvoice selection
Market Sentiment
Polymarket prediction market odds for "Best AI Model" — showing how the market values each provider over time.
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Performance Trend
Benchmark score trends over time for the top 5 benchmarks.
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Benchmarks
Scores from various benchmark tests; higher is better.
| Test | Score | Percentile | Source |
|---|---|---|---|
| MOS | 85.0 | p88 | seed |
