Pick Cartesia if
product teams shipping a live voice agent or TTS API who will stay on Sonic / Ink.
Read the Cartesia pageCartesia vs Unreal Speech
Our take
Pick Cartesia if you're on a product team shipping a live voice agent or TTS API who will stay on Sonic / Ink. Pick Unreal Speech if you're a developer who will stay on 250K Free chars, then Basic. Skip Cartesia if you're narrators who only need a one-off MP3 of a script (WellSaid). Skip Unreal Speech if you're on a team that need instant voice clones (ElevenLabs).
Best for
Cartesia Voice that has to answer live
Unreal Speech Cheap TTS characters with a public monthly card
Free plan
Cartesia $0 · 20K credits / month. $1 prepaid agents / month. TTS + STT. No commercial-use license on this card
Unreal Speech $0 · 250K characters (~6 hours). Commercial use requires a link to unrealspeech.com. Allowance resets monthly
Lowest paid
Cartesia Pro $5/mo
Unreal Speech Pro $1
Next step up
Cartesia Startup $49/mo
Unreal Speech Basic $49
Coding agent
Cartesia Managed voice agents
Unreal Speech
Runs where
Cartesia Hosted
Unreal Speech
Watch out
Cartesia Free is not a commercial license
Unreal Speech No voice cloning
Last checked
Cartesia 2026-10-22 · cartesia.ai/pricing
Unreal Speech 2026-10-28 · unrealspeech.com/pricing
Which one, then?
Pick Unreal Speech if
developers who will stay on 250K Free chars, then Basic.
Read the Unreal Speech page