Cartesia vs Fish Audio: voice AI pricing compared
Updated 2026-11-06 · listed A to Z, not ranked
Cartesia sells real-time voice AI (text-to-speech, speech-to-text and managed voice agents). Plans bundle monthly credits plus prepaid dollars for voice agents; overages and telephony are billed on top.
Fish Audio is an AI voice platform for text to speech and voice cloning. Plans give monthly credits; the API is billed separately, pay as you go.
Listed A to Z, from cartesia.ai and fish.audio. Every figure below is quoted from those pages.
- Main price table
- Free, Pro, Startup, Scale, Enterprise
- Free option
- Free: $0
- Published prices
- Free $0 (20K credits), Pro $5, Startup $49, Scale $299; voice agents $0.03/min; telephony $0.014/min.
- Main price table
- Free Tier, Plus, Pro
- Free option
- Free Tier: 8,000 credits monthly (non-commercial)
- Published prices
- Free $0; Plus $5.50/mo and Pro $37.50/mo billed annually with a first-year 50% offer ($15 and $100 list).
How we checked: Prices quoted from each official pricing page: Cartesia checked Nov 6, 2026, Fish Audio checked Nov 10, 2026. Taxes, usage overages and promotions can change what you pay; confirm with each provider before you buy.
How they compare
- Main price table. Cartesia lists 5 entries (Free, Pro, Startup, Scale, Enterprise); Fish Audio lists 3 (Free Tier, Plus, Pro).
- Lowest listed paid tier. Cartesia: Pro $5. Fish Audio: Plus $5.50/mo (first-year 50% offer, billed annually). Billing terms differ (per user or flat, monthly or annual), so check what each tier includes below.
- Free option. Cartesia: Free: $0. Fish Audio: Free Tier: 8,000 credits monthly (non-commercial).
- How prices are quoted. Cartesia: “Plans”. Fish Audio: “Individual plans (billed annually)”.
Cartesia plans and prices
| Plan | Price / mo | Credits / mo | Prepaid agents / mo |
|---|---|---|---|
| Free | $0 | 20K | $1 |
| Pro | $5 | 100K | $5 |
| Startup | $49 | 1.25M | $49 |
| Scale | $299 | 8M | $299 |
| Enterprise | Custom | Custom | Custom |
Scale’s page copy states the $299 plan includes 8M credits plus $299 for voice agents. Checked Nov 6, 2026.
| Line | Price on cartesia.ai/pricing |
|---|---|
| Call duration (agent minutes) | $0.03 per minute (page also shows a previous $0.06 rate) |
| Telephony (Cartesia-provided number) | $0.014 per minute |
| Speech-to-text | 3 credits per second of audio; about $0.39 per hour on Scale |
| Credit overages | Pro $65 / 1M credits; Startup $45 / 1M; Scale $38 / 1M |
At $0.03/min, each plan’s prepaid agent dollars buy a fixed minute pool (Free ≈ 33 min from $1, Pro ≈ 167 min from $5, and so on). Confirm current rates on the pricing page.
From cartesia.ai, checked Nov 6, 2026. Full breakdown: Cartesia pricing.
Fish Audio plans and prices
| Plan | Price | Includes |
|---|---|---|
| Free Tier | $0/mo, no credit card needed | 8,000 credits monthly, up to 7 minutes generation, 500 characters per generation, 3 public voice slots |
| Plus | $5.50/mo shown against $15 (first year 50% off; $66 billed annually) | 250,000 credits monthly, up to 200 minutes, 15,000 characters per generation, 10 private voice slots, 1 professional voice slot |
| Pro | $37.50/mo shown against $100 (first year 50% off; $450 billed annually) | 2,000,000 credits monthly, up to 1,620 minutes, 3 team seats, 30,000 characters per generation, 5 professional voice slots, 7-day money-back guarantee |
The 50% first-year price is a limited-time offer shown with a countdown. One minute of generation costs roughly 600 to 625 credits. Unused minutes do not roll over. Free plan output is for personal, non-commercial use.
From fish.audio, checked Nov 10, 2026. Full breakdown: Fish Audio pricing.
FAQ
How much does Cartesia cost?
Free $0 (20K credits), Pro $5, Startup $49, Scale $299; voice agents $0.03/min; telephony $0.014/min. (checked Nov 6, 2026).
How much does Fish Audio cost?
Free $0; Plus $5.50/mo and Pro $37.50/mo billed annually with a first-year 50% offer ($15 and $100 list). (checked Nov 10, 2026).
Do Cartesia and Fish Audio have a free option?
Cartesia: Free: $0. Fish Audio: Free Tier: 8,000 credits monthly (non-commercial).
What is the cheapest paid plan, Cartesia or Fish Audio?
Lowest listed paid tier: Cartesia Pro $5; Fish Audio Plus $5.50/mo (first-year 50% offer, billed annually) (as quoted on each pricing page). Billing units differ, so compare what each includes.
Which is better, Cartesia or Fish Audio?
We do not pick a winner. The two price and package their products differently; the tables above quote each official pricing page so you can match a plan to your own usage.
Where do these prices come from?
Each vendor's own pricing page: cartesia.ai (checked Nov 6, 2026) and fish.audio (checked Nov 10, 2026). Prices change; confirm on the vendor's page before you buy.
Sources (official pages, read 2026-11-06)
Spot something out of date? Email hello@youraitools.co and we’ll fix it.