Caluno vs Gradium
Caluno vs Gradium, compared side by side on 10 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: Caluno is on 6/100 and Gradium on 51/100.
Where each one leads
Caluno
Leads on none of the measures we hold for both companies.
Gradium
- our overall score: 51/100 against 6/100
- agent readiness: 63/100 against 30/100
At a glance
| Measure | Caluno | Gradium |
|---|---|---|
| What it is | Track your language learning progress against CEFR standards and know what to do next. | Gradium builds ultra low latency voice AI models for developers. Generate expressive text to speech, accurate speech to text, and high fidelity voice clones with a single API. |
| Category | EdTech, Language Learning, Personal Development, CEFR Standards | EdTech, AI-Powered Learning, Career Development, Personalized Learning |
| Sells toBusiness model | B2C | B2C |
| Offering | Software | Software |
| Founded | Not published | 2014 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Caluno | Gradium |
|---|---|---|
| Total funding | Not published | $79.0M |
| Latest round | Not published | Seed |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Caluno | Gradium |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 6/100 | 51/100 |
| Search visibility | Not published | 10/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (30/100) | C (63/100) |
| Domain ratingLink authority, 0-100 | Not published | 63/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Caluno | Gradium |
|---|---|---|
| Hosting | Railway | Scaleway |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Open source | No | Yes |
Caluno vs Gradium: common questions
Which is better, Caluno or Gradium?
On our 0-100 score Gradium rates higher (51/100 against 6/100). 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 10 data points above: read the rows that match what you are buying for.
How do Caluno and Gradium compare on the numbers?
Gradium leads on our overall score (51/100 against 6/100), agent readiness (63/100 against 30/100).
Read the full Caluno review and pricing or the Gradium review and pricing. You can also browse other Caluno alternatives we track.