Legion Security vs Periodic Labs
Legion Security vs Periodic Labs, compared side by side on 13 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: Legion Security is on 43/100 and Periodic Labs on 56/100.
Where each one leads
Legion Security
Leads on none of the measures we hold for both companies.
Periodic Labs
- our overall score: 56/100 against 43/100
- domain rating: 43/100 against 36/100
At a glance
| Measure | Legion Security | Periodic Labs |
|---|---|---|
| What it is | AI-powered workers for security applications, enhancing surveillance and automating security tasks. | AI-powered materials science and discovery platform to accelerate scientific breakthroughs. |
| Category | Artificial Intelligence, Security, AI Agents, Cybersecurity | Artificial Intelligence, Materials Science, Drug Discovery, Scientific Research |
| Sells toBusiness model | B2B | B2B SaaS |
| Offering | Software | Platform / SaaS |
| Founded | 2024 | 2025 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Legion Security | Periodic Labs |
|---|---|---|
| Employees | 65 | Not published |
| Open roles | Not published | 28 |
| Total funding | Not published | $605M |
| Valuation | Not published | $1.5B |
| LinkedIn followers | 3,764 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Legion Security | Periodic Labs |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 43/100 | 56/100 |
| Traction | 18/100 | 40/100 |
| Team | 70/100 | Not published |
| Community | 20/100 | Not published |
| Search visibility | 50/100 | 49/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (42/100) |
| Domain ratingLink authority, 0-100 | 36/100 | 43/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Legion Security | Periodic Labs |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | Webflow | Framer |
| Analytics | Google Tag Manager | Not detected |
What users say
| Measure | Legion Security | Periodic Labs |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | Not published |
Legion Security vs Periodic Labs: common questions
Which is better, Legion Security or Periodic Labs?
On our 0-100 score Periodic Labs rates higher (56/100 against 43/100). 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 13 data points above: read the rows that match what you are buying for.
How do Legion Security and Periodic Labs compare on the numbers?
Periodic Labs leads on our overall score (56/100 against 43/100), domain rating (43/100 against 36/100).
Read the full Legion Security review and pricing or the Periodic Labs review and pricing. You can also browse other Legion Security alternatives we track.