Gradium TTS (Sep 2026) measured on 2 of 3 Text to speech benchmarks2
BenchmarkByScoreRank
No benchmark matches
$47.80per 1M characters
1,175arena Elo
Sep 2026released
Exact native tariff; see source for billing scope.Price covers
Ranking?
Full ranking →···
22Soniox TTS Real-Time v21,17923Gradium TTS (Sep 2026)1,17524Speech 2.8 HD1,174Strong at
Alternatives?
ModelScoreCostPriceWhat changes
CheaperEleven v4 Turbowins 71%-16%$40SBetterSimba 3.2wins 60%-86%$6.60
OpenFish Audio Drama 3 Previewwins 60%-69%$15
CheaperQwen Audio 3.1 TTS Pluswins 67%-60%$19.30CheaperQwen Audio 3.0 TTS Pluswins 63%-60%$19.30ModelScoreCostPriceWhat changes
Eleven v4 Turbowins 71%-16%$40Qwen Audio 3.1 TTS Pluswins 67%-60%$19.30Qwen Audio 3.0 TTS Pluswins 63%-60%$19.30IRealtime TTS-2wins 62%-27%$35Fish Audio Drama 3 PreviewOpenwins 60%-69%$15ModelScoreCostPriceWhat changes
SSimba 3.2wins 60%-86%$6.60IRealtime TTS-2 Flashwins 56%-78%$10.40
Voxtral 3 TTSwins 56%-73%$13Fish Audio Drama 3 PreviewOpenwins 60%-69%$15VLuna TTSwins 55%-69%$15
History
2 versionsFAQ
How much does Gradium TTS (Sep 2026) cost?›
$47.80 per 1M characters.
Is Gradium TTS (Sep 2026) free to use?›
There is no free API; it costs $47.80 per 1M characters.
How good is Gradium TTS (Sep 2026), and what is it best at?›
#23 of 96 in Text to speech. Strongest at: Speech & Voice.
Is Gradium TTS (Sep 2026) better than Soniox TTS Real-Time v2?›
On AA TTS provider voice, Gradium TTS (Sep 2026) scores 1,175 vs 1,179 — about the same. It is 237% more expensive.
When was Gradium TTS (Sep 2026) released? Is there a newer version?›
Released 2026-09-22. It is the current version in its line.
Is Gradium TTS (Sep 2026) open source?›
No, Gradium TTS (Sep 2026) is a closed model available through an API. The closest open-weights option here is Fish Audio Drama 3 Preview.
What is Gradium TTS (Sep 2026)?›
Gradium TTS (Sep 2026) is a closed speech & voice model from Gradium, released Sep 2026.
What are the best alternatives to Gradium TTS (Sep 2026)?›
Eleven v4 Turbo (cheaper), Simba 3.2 (better), Fish Audio Drama 3 Preview (open weights).