Cartesia vs Fish Audio
Cartesia vs Fish Audio, compared side by side on 24 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Cartesia is on 66/100 and Fish Audio on 59/100.
Where each one leads
Cartesia
- our overall score: 66/100 against 59/100
- headcount: 116 against 41
- funding raised: $191M against $52.0M
- LinkedIn following: 11,381 against 1,330
Fish Audio
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Cartesia | Fish Audio |
|---|---|---|
| What it is | Ultra-realistic voice AI platform powered by State Space Models for developers. | Fish Audio builds AI voice models for both creative use cases and enterprise applications, offering expressive and steerable AI voices. |
| Category | Voice AI, Conversational AI, AI Voice Synthesis, AI Voice Cloning | Artificial Intelligence, Voice Technology, Voice AI, Voice Agent |
| Sells toBusiness model | B2B | B2B, B2C |
| Offering | Platform | Platform |
| Founded | 2022 | 2025 |
| Headquarters | San Francisco, United States | Palo Alto, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Cartesia | Fish Audio |
|---|---|---|
| Employees | 116 | 41 |
| Open roles | 30 | Not published |
| Total funding | $191M | $52.0M |
| Latest round | Series B | Seed |
| Valuation | Not published | $500M |
| LinkedIn followers | 11,381 | 1,330 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Cartesia | Fish Audio |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 66/100 | 59/100 |
| Traction | 60/100 | 55/100 |
| Team | 70/100 | 30/100 |
| Community | 20/100 | 10/100 |
| Search visibility | 79/100 | 63/100 |
| Quality | 65/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (54/100) | D (51/100) |
| Domain ratingLink authority, 0-100 | 73/100 | 68/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Cartesia | Fish Audio |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Cloudflare |
| Frameworks | Astro, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Not detected | Google Analytics 4 |
| Open source | Yes | No |
Product and pricing
| Measure | Cartesia | Fish Audio |
|---|---|---|
| Key features | Ultra-Low Latency Sonic Model, Best-in-Class Pronunciations, AI Voice Cloning & Changer, Multi-Language Support, Seamless Integrations, Ink Speech-to-Text | Not published |
What users say
| Measure | Cartesia | Fish Audio |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | 4.0/5 from 1 vote |
Cartesia vs Fish Audio: common questions
Which is better, Cartesia or Fish Audio?
On our 0-100 score Cartesia rates higher (66/100 against 59/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 24 data points above: read the rows that match what you are buying for.
How do Cartesia and Fish Audio compare on the numbers?
Cartesia leads on our overall score (66/100 against 59/100), headcount (116 against 41), funding raised ($191M against $52.0M), LinkedIn following (11,381 against 1,330).
Read the full Cartesia review and pricing or the Fish Audio review and pricing. You can also browse other Cartesia alternatives we track.