Speed tests, pricing research and how-tos from Speakvora: a text-to-speech and speech-to-text API ($3 per million characters, 100,000 free) and pay-once voice agents for small businesses. speakvora.com
Disclosure: I run Speakvora. This is our own test, run from one MacBook with the same code for every voice. The Speakvora voices ran on our Mac mini; Polly and Google were reached over the internet, s
Voice API pages love one number: how fast the first audio arrives. The trouble is that "first audio" can mean at least four different things, and they differ by hundreds of milliseconds. Here is what
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything
Disclosure: I run Speakvora. The numbers below come from the public Coval TTS leaderboard (read October 30, 2026) and from our own tests with the Coval method. The Speakvora rows are ours; everything