Steel.dev vs Upsonic
Steel.dev vs Upsonic, compared side by side on 16 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: Steel.dev is on 58/100 and Upsonic on 19/100.
Where each one leads
Steel.dev
- our overall score: 58/100 against 19/100
- agent readiness: 54/100 against 44/100
- domain rating: 50/100 against 45/100
Upsonic
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Steel.dev | Upsonic |
|---|---|---|
| What it is | Cloud-based browser API for AI agents, simplifying web automation with anti-bot protection and session persistence. | Open-source Python framework for building autonomous AI agents and agentic workflows, purpose-built for FinTech operations. |
| Category | Developer Tools, API Platform, Workflow Automation, AI Agents | Developer Tools, Fintech, AI Agents, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2022 | 2023 |
| Headquarters | Tel Aviv, Israel | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | Steel.dev | Upsonic |
|---|---|---|
| Employees | Not published | 15 |
| Total funding | $17.0M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | Not published | 2,799 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Steel.dev | Upsonic |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 58/100 | 19/100 |
| Traction | 36/100 | 12/100 |
| Team | 60/100 | Not published |
| Community | 16/100 | Not published |
| Search visibility | 38/100 | 31/100 |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (54/100) | D (44/100) |
| Domain ratingLink authority, 0-100 | 50/100 | 45/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Steel.dev | Upsonic |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Framer | Webflow |
| Analytics | Google Tag Manager | Google Tag Manager |
| Support stack | Not detected | HubSpot |
| Open source | Yes | Yes |
| Self-hostable | Yes | Yes |
What users say
| Measure | Steel.dev | Upsonic |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 3.0/5 from 1 vote | Not published |
Steel.dev vs Upsonic: common questions
Which is better, Steel.dev or Upsonic?
On our 0-100 score Steel.dev rates higher (58/100 against 19/100). 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 16 data points above: read the rows that match what you are buying for.
How do Steel.dev and Upsonic compare on the numbers?
Steel.dev leads on our overall score (58/100 against 19/100), agent readiness (54/100 against 44/100), domain rating (50/100 against 45/100).
Read the full Steel.dev review and pricing or the Upsonic review and pricing. You can also browse other Steel.dev alternatives we track.