Altered AI vs Cartesia
Altered AI vs Cartesia, compared side by side on 12 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: Altered AI is on 25/100 and Cartesia on 66/100.
Where each one leads
Altered AI
Leads on none of the measures we hold for both companies.
Cartesia
- our overall score: 66/100 against 25/100
- agent readiness: 54/100 against 22/100
At a glance
| Measure | Altered AI | Cartesia |
|---|---|---|
| What it is | Altered AI develops advanced AI-powered voice solutions for businesses, focusing on synthetic voice generation and voice cloning. | Ultra-realistic voice AI platform powered by State Space Models for developers. |
| Category | Voice AI, Voice Agents, AI Voice Synthesis, Voice Cloning | Voice AI, Conversational AI, AI Voice Synthesis, AI Voice Cloning |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2019 | 2022 |
| Headquarters | London, United Kingdom | San Francisco, United States |
| Status | Inactive | Active |
Size, funding and growth
| Measure | Altered AI | Cartesia |
|---|---|---|
| Employees | Not published | 116 |
| Open roles | Not published | 30 |
| Total funding | Not published | $191M |
| Latest round | Not published | Series B |
| LinkedIn followers | Not published | 11,381 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Altered AI | Cartesia |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 25/100 | 66/100 |
| Traction | Not published | 60/100 |
| Team | 60/100 | 70/100 |
| Community | Not published | 20/100 |
| Search visibility | 23/100 | 79/100 |
| Quality | Not published | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (22/100) | D (54/100) |
| Domain ratingLink authority, 0-100 | Not published | 73/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Altered AI | Cartesia |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Not detected | Vercel |
| Frameworks | Not detected | Astro, Tailwind CSS |
| Open source | No | Yes |
Product and pricing
| Measure | Altered AI | Cartesia |
|---|---|---|
| Key features | Not published | Ultra-Low Latency Sonic Model, Best-in-Class Pronunciations, AI Voice Cloning & Changer, Multi-Language Support, Seamless Integrations, Ink Speech-to-Text |
What users say
| Measure | Altered AI | Cartesia |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
Altered AI vs Cartesia: common questions
Which is better, Altered AI or Cartesia?
On our 0-100 score Cartesia rates higher (66/100 against 25/100). 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 12 data points above: read the rows that match what you are buying for.
How do Altered AI and Cartesia compare on the numbers?
Cartesia leads on our overall score (66/100 against 25/100), agent readiness (54/100 against 22/100).
Read the full Altered AI review and pricing or the Cartesia review and pricing. You can also browse other Altered AI alternatives we track.