EdCast (now part of Cornerstone) vs PromptX
EdCast (now part of Cornerstone) vs PromptX, compared side by side on 14 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: EdCast (now part of Cornerstone) is on 61/100 and PromptX on 11/100.
Where each one leads
EdCast (now part of Cornerstone)
- our overall score: 61/100 against 11/100
- domain rating: 80/100 against 42/100
PromptX
- agent readiness: 53/100 against 39/100
At a glance
| Measure | EdCast (now part of Cornerstone) | PromptX |
|---|---|---|
| What it is | AI-powered learning experience platform for enterprise knowledge and skills development. | AI Knowledge Navigator That Knows Your Enterprise |
| Category | EdTech, Learning Experience Platform, Enterprise Software, Skills Development | B2B (Enterprise), AI, Agentic AI, Enterprise AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2014 | 2024 |
| Headquarters | Redwood City, United States | London, England, United Kingdom, Europe |
| Status | Inactive | Active |
Size, funding and growth
| Measure | EdCast (now part of Cornerstone) | PromptX |
|---|---|---|
| Employees | 4,181 | Not published |
| Total funding | $98.5M | Not published |
| Latest round | Series D | Not published |
| LinkedIn followers | 189,936 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | EdCast (now part of Cornerstone) | PromptX |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 11/100 |
| Traction | 60/100 | Not published |
| Team | 70/100 | Not published |
| Community | 8/100 | 8/100 |
| Search visibility | 39/100 | 15/100 |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | F (39/100) | D (53/100) |
| Domain ratingLink authority, 0-100 | 80/100 | 42/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | EdCast (now part of Cornerstone) | PromptX |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Tailwind CSS |
| Analytics | Google Tag Manager, Amplitude | Not detected |
EdCast (now part of Cornerstone) vs PromptX: common questions
Which is better, EdCast (now part of Cornerstone) or PromptX?
On our 0-100 score EdCast (now part of Cornerstone) rates higher (61/100 against 11/100). 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 14 data points above: read the rows that match what you are buying for.
How do EdCast (now part of Cornerstone) and PromptX compare on the numbers?
EdCast (now part of Cornerstone) leads on our overall score (61/100 against 11/100), domain rating (80/100 against 42/100). PromptX leads on agent readiness (53/100 against 39/100).
Read the full EdCast (now part of Cornerstone) review and pricing or the PromptX review and pricing. You can also browse other EdCast (now part of Cornerstone) alternatives we track.