Arthur vs Coldpost
Arthur vs Coldpost, compared side by side on 11 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: Arthur is on 51/100 and Coldpost on 9/100.
Where each one leads
Arthur
- our overall score: 51/100 against 9/100
Coldpost
- agent readiness: 59/100 against 46/100
At a glance
| Measure | Arthur | Coldpost |
|---|---|---|
| What it is | One control plane for trustworthy enterprise AI — performance, observability, guardrails, and governance across the full lifecycle. | Automate prospect research and send hyper-personalized sequence across email and LinkedIn. Stop guessing and start booking qualified meetings |
| Category | Agentic AI, AI Agents, Customer Service, Sales Automation | Agentic AI, AI Agent, AI Sales Assistant, Sales Automation |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2021 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Arthur | Coldpost |
|---|---|---|
| Employees | 39 | Not published |
| Total funding | $10.0M | Not published |
| Latest round | Seed | Not published |
| LinkedIn followers | 8,477 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Arthur | Coldpost |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 51/100 | 9/100 |
| Traction | 51/100 | Not published |
| Team | 30/100 | Not published |
| Community | 15/100 | Not published |
| Search visibility | 47/100 | 11/100 |
| Quality | 58/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (46/100) | D (59/100) |
| Domain ratingLink authority, 0-100 | 66/100 | Not published |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Arthur | Coldpost |
|---|---|---|
| Hosting | Vercel | Self Managed |
| CDN | Vercel | Not detected |
| CMS | Not detected | WordPress |
| Frameworks | Next.js, Tailwind CSS | Bootstrap |
| Analytics | Google Tag Manager, Amplitude | Not detected |
| Open source | Yes | No |
Arthur vs Coldpost: common questions
Which is better, Arthur or Coldpost?
On our 0-100 score Arthur rates higher (51/100 against 9/100). 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 11 data points above: read the rows that match what you are buying for.
How do Arthur and Coldpost compare on the numbers?
Arthur leads on our overall score (51/100 against 9/100). Coldpost leads on agent readiness (59/100 against 46/100).
Read the full Arthur review and pricing or the Coldpost review and pricing. You can also browse other Arthur alternatives we track.