Gizmo vs Opennote
Gizmo vs Opennote, compared side by side on 17 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: Gizmo is on 52/100 and Opennote on 53/100.
Where each one leads
Gizmo
- funding raised: $25.5M against $850K
Opennote
- agent readiness: 38/100 against 28/100
At a glance
| Measure | Gizmo | Opennote |
|---|---|---|
| What it is | AI-powered learning platform that transforms study materials into personalized, engaging experiences using gamification, spaced repetition, and active recall. | Opennote is an interactive AI tutor that personalizes learning by adapting to individual styles and transforming notes into dynamic, interactive educational content. |
| Category | EdTech, Learning Platform, AI Flashcards, Gamified Learning | EdTech, AI Tutor, Personalized Learning, Generative AI |
| Sells toBusiness model | B2C | B2C, B2B |
| Offering | Platform | Software |
| Founded | 2019 | 2025 |
| Headquarters | London, United Kingdom | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Gizmo | Opennote |
|---|---|---|
| Employees | Not published | 5 |
| Total funding | $25.5M | $850K |
| Latest round | Series A | Not published |
| LinkedIn followers | Not published | 4,426 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Gizmo | Opennote |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 52/100 | 53/100 |
| Traction | 37/100 | 37/100 |
| Team | 70/100 | 70/100 |
| Community | 8/100 | Not published |
| Search visibility | 18/100 | 34/100 |
| Quality | 58/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (28/100) | F (38/100) |
| Domain ratingLink authority, 0-100 | 44/100 | 42/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Gizmo | Opennote |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Tailwind CSS | Next.js, Tailwind CSS |
Product and pricing
| Measure | Gizmo | Opennote |
|---|---|---|
| Key features | Not published | Interactive AI Tutor, Dynamic Content Creation, Personalized Learning Environment, Video Vault & Content Library, Threads and Highlights, APAC Dedicated Services |
Gizmo vs Opennote: common questions
Which is better, Gizmo or Opennote?
On our 0-100 score Opennote rates higher (53/100 against 52/100). 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 17 data points above: read the rows that match what you are buying for.
How do Gizmo and Opennote compare on the numbers?
Gizmo leads on funding raised ($25.5M against $850K). Opennote leads on agent readiness (38/100 against 28/100).
Read the full Gizmo review and pricing or the Opennote review and pricing. You can also browse other Gizmo alternatives we track.