OpenAI's tts-1 is a standard baseline for speech synthesis. However, for regional Indian scripts, OpenAI's acoustic models frequently produce foreign accents and unnatural phrasing.
Benchmark Comparison
| Metric | OpenAI tts-1 | LuxurAI Voice API |
|---|---|---|
| Cost per 1M Chars | $15.00 (~₹1,260) | ~₹125 (10x lower cost) |
| Streaming Latency | 450ms TTFB | Sub-300ms Anycast Edge TTFB |
| Hindi Naturalness | Foreign-accented | Native Indian Accent Models |
| Supported Languages | 50+ | 140+ languages (322 models) |