AI ranking change · 2026-07-12
Cartesia Sonic overtakes Cartesia as Gemini's #1 pick
for text-to-speech api for voice agents
Cartesia→Cartesia Sonic
On 2026-07-12, Gemini changed its #1 recommendation for best text-to-speech api for voice agents — dropping Cartesia from the top spot in favor of Cartesia Sonic. The previous #1 had held since 2026-07-12.
“Unmatched Time-To-First-Byte (TTFB) speed of ~40ms using State Space Models (SSMs) with high stability under concurrent loads.”— Gemini
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