Independent benchmarks, provider comparisons and what text to speech costs at volume, each figure dated and sourced.
On 24 September 2026, Simba 3.2 had the lowest median time to first audio of the 14 models on Voice Arena's US English board, 123 ms, and Coval measured it at 106 ms. What to measure before you pick a TTS API for a voice agent, and what cuts the wait.
10 min read, 8 min listen
Coval's independent benchmark measured Simba 3.2's median time to first audio at 379 ms on 13 September 2026 and 106 ms on 24 September, with the same model. What changed, why Coval counts leading silence, and how to reproduce it.
6 min read, 6 min listen
Monthly cost of 13 text-to-speech APIs at 1M, 10M and 100M characters, subscription fees included, read from each vendor's pricing page on 23 September 2026, next to each model's blind-listening score.
7 min read, 5 min listen
The tools for producing narration without hiring voice actors, compared on cost per finished hour rather than per seat. Studio subscriptions cap downloaded minutes; per-character APIs do not. One hour of audio runs from $0.31 to $40 depending on which you pick.
7 min read, 7 min listen
The 10 text to speech APIs worth evaluating in 2026, ranked on blind-listener scores from Artificial Analysis and priced per million characters.
16 min read, 15 min listen
On the Artificial Analysis Speech Arena on 23 September 2026, Simba 3.2 was in the top five of 92 models at an Elo of 1,237, and the lowest-priced model in the top ten. How the leaderboard's Elo works, and what two independent latency benchmarks measured.
5 min read, 5 min listen