Antithesis vs Keelpin
Antithesis vs Keelpin, 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: Antithesis is on 46/100 and Keelpin on 41/100.
Where each one leads
Antithesis
- our overall score: 46/100 against 41/100
- domain rating: 71/100 against 3/100
- funding raised: $118M against $10.0M
Keelpin
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Antithesis | Keelpin |
|---|---|---|
| What it is | Antithesis is an autonomous software testing platform that finds the bugs others miss. | Unified platform for continuous application security, fusing SAST, SCA, secrets scanning, IaC scanning, and pentesting into a single, exploit-validated record per vulnerability. |
| Category | Cybersecurity, AI Infrastructure, Developer Tools, Vulnerability Management | Cybersecurity, Threat Detection, Vulnerability Management, Application Security |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2021 | Not published |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Antithesis | Keelpin |
|---|---|---|
| Employees | 198 | Not published |
| Headcount growthLast 12 months | +101.8% | Not published |
| Total funding | $118M | $10.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 7,457 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Antithesis | Keelpin |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 46/100 | 41/100 |
| Traction | 60/100 | 35/100 |
| Team | 60/100 | Not published |
| Community | 15/100 | Not published |
| Search visibility | 22/100 | 2/100 |
| Quality | 40/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (38/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 3/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Antithesis | Keelpin |
|---|---|---|
| Hosting | AWS | Railway |
| CDN | CloudFront | Cloudflare |
| CMS | Ghost | Not detected |
| Frameworks | Astro | Bootstrap |
| Analytics | Google Tag Manager | Not detected |
| Open source | Yes | No |
What users say
| Measure | Antithesis | Keelpin |
|---|---|---|
| Reddit sentimentThreads we track | 1 positive, 0 negative across 1 thread | Not published |
“Antithesis - The Deterministic Computer. submitted by /u/Tybug2 to r/programming [link] [comments]”r/programming
Antithesis vs Keelpin: common questions
Which is better, Antithesis or Keelpin?
On our 0-100 score Antithesis rates higher (46/100 against 41/100). 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 Antithesis and Keelpin compare on the numbers?
Antithesis leads on our overall score (46/100 against 41/100), domain rating (71/100 against 3/100), funding raised ($118M against $10.0M).
What do real users say about Antithesis and Keelpin?
Antithesis: 1 positive and 0 negative mentions across 1 Reddit threads we track, mostly in r/programming.
Read the full Antithesis review and pricing or the Keelpin review and pricing. You can also browse other Antithesis alternatives we track.