Cartesia API pricing
Low-latency (sub-100ms) real-time TTS challenger built for voice agents, with clean Fern-generated SDKs and a public status page, but a young track record.
Free tier or trialBilled per character (credits)·Verified Jun 27, 2026
Free tier
20k credits (~15-20 min audio)
Plans and prices
| Plan | Price | What it covers |
|---|---|---|
| Free | $0/mo | ~20,000 model credits (~27 min TTS), 1 agent slot, basic TTS + STT, no time limit. |
| Pro | $5/mo | ~133 min TTS, 3 agent slots, adds commercial-use license and instant voice cloning. |
| Startup | $49/mo | ~1,667 min TTS, 5 agent slots, adds professional voice cloning and org support. |
| Scale | $299/mo | ~10,667 min TTS, 10 agent slots, priority support and high concurrency limits. |
| Enterprise | Custom | Volume pricing, custom terms, DPAs/BAAs, SSO, compliance and security review; on-prem/on-device options. |
The pricing page, as we saw it
Source: https://www.cartesia.ai/pricing. Prices change. Confirm on the vendor page before you commit.
Other Text-to-Speech APIs
ElevenLabs · Google Cloud Text-to-Speech · Amazon Polly · OpenAI TTS · Azure AI Speech · Resemble AI