Cartesia Sonic-3 vs ElevenAgents

Comparing two text to speech (tts) models: features, pricing, pros and cons.

	Cartesia Sonic-3	ElevenAgents
Provider	Cartesia	ElevenLabs
Pricing	$20–200/mo	$22–330/mo
Quality	9/10	9/10
Speed	10/10	8.5/10
Ease of use	7/10	8/10
Value	5/10	5/10
Tasks	Text to Speech	Text to Speech, Chatbots
Pros	+ Fastest TTS (40ms) + Emotions and laughter + Great for realtime	+ Realtime agents + MCP actions + Enterprise integrations
Cons	− API integration experience needed − No free plan	− More complex than plain TTS

Cartesia Sonic-3

Fastest TTS with emotion and laughter support in speech.

Conversational AI + 11.ai: MCP-native realtime actions, IBM watsonx integration.