Gradium TTS Beta
Leader Proprietary · Gradium
76.8
/100
Gradium TTS Beta is a proprietary text-to-speech (TTS) API from Gradium, measured by two independent benchmarks: Coval and Speko.
Voice agents Coval Speko
Provider
Gradium TTS models
2 text-to-speech (TTS) models, ranked from the highest benchmark score to the lowest, out of 100.
Data checked on September 30, 2026 · updated after each benchmark capture
Gradium TTS (Aug 2026)
Strong Proprietary · Gradium
59.6
/100
Gradium TTS (Aug 2026) is a proprietary text-to-speech (TTS) API from Gradium, measured by three independent benchmarks: Artificial Analysis, Coval and Speko.
Spanish German French Portuguese
+7