realtime speech that
sounds human

Low latency, studio-quality voices.$0.40/hour, up to 90% lower than industry leaders.

372 / 1,000

priced to scale

Better realtime speech, at a fraction of the cost.

Provider	Cost	Latency
Kova TTS V1	$0.40 / hr	TBD
Gemini 3.1 Flash TTS	$1.80 / hr
ElevenLabs Flash v2.5	$2.25 / hr	~75 ms
OpenAI gpt-4o-mini-tts	$0.90 / hr
Inworld Realtime TTS-2	$1.58 / hr	<200 ms

Cost converts each provider's published list price for the noted model to dollars per hour of audio, assuming about 150 words per minute (45,000 characters per hour). Latency, where shown, is the vendor's reported server-side time to first audio (excludes network); left blank where no comparable figure is published.

...and better

The same script, in each provider's voice. Kova first.

The morning fog clung to the harbor like a memory she couldn't shake. Somewhere out past the rocks, a bell was ringing slow and deliberate, as if it had something to say but no one left to tell.

Kova TTS V1