{"name":"Cartesia","tagline":"Ultra-low-latency voice AI with streaming TTS and voice cloning.","url":"https://cartesia.ai","category":"audio","pricing":"freemium","price_note":"free tier (20K credits/mo); paid plans from $5/mo","free_tier":true,"open_source":false,"api":true,"self_host":false,"model_routing":"locked","verdict":"ship","verdict_text":"Sonic models are built for speed: sub-100 ms streaming makes them excellent for voice agents and real-time apps. Voice cloning is strong, and the free tier is now usable for light projects; paid plans start at $5/mo.","limitations":["Free tier credit cap limits sustained production use.","Voice library is smaller than ElevenLabs.","Usage-based pricing requires careful cost forecasting."],"strengths":["Sonic models stream under 100 ms — built for voice agents, not studio takes.","Voice cloning is strong, and the free tier is now usable for light projects."],"use_for":["Real-time voice agents where latency is the product.","Light prototypes before you commit to usage-based spend."],"skip_when":["You need a large voice library closer to ElevenLabs.","Sustained production would blow the free credit cap.","You cannot forecast usage-based TTS cost."],"receipts":["https://cartesia.ai","https://cartesia.ai/pricing"],"affiliate":"none","evidence_tier":"source-verified","momentum":"blueshift","featured":false,"last_verified":"2026-08-19","observed_by":"whysanesanders","slug":"cartesia","canonical_url":"https://noemium.com/tools/cartesia/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}