Refresh vs Unit 221B
Refresh vs Unit 221B, 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: Refresh is on 30/100 and Unit 221B on 50/100.
Where each one leads
Refresh
- agent readiness: 54/100 against 43/100
Unit 221B
- our overall score: 50/100 against 30/100
- domain rating: 42/100 against 23/100
- headcount: 21 against 9
- LinkedIn following: 3,252 against 407
At a glance
| Measure | Refresh | Unit 221B |
|---|---|---|
| What it is | Refresh builds simulation environments and evaluations for coding and computer use to train and benchmark frontier AI models. | AI research lab focused on developing advanced AI systems and foundational models. |
| Category | Frontier AI Lab, AI Agent, Reinforcement Learning, Simulation Environment | Frontier AI Lab, AGI Research, Foundation Model, Generative AI |
| Sells toBusiness model | B2B | Not published |
| Offering | Platform | Research |
| Founded | 2025 | 2023 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Refresh | Unit 221B |
|---|---|---|
| Employees | 9 | 21 |
| Total funding | Not published | $5.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 407 | 3,252 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Refresh | Unit 221B |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 30/100 | 50/100 |
| Traction | 10/100 | 47/100 |
| Team | 60/100 | 30/100 |
| Search visibility | 20/100 | 33/100 |
| Quality | Not published | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (54/100) | D (43/100) |
| Domain ratingLink authority, 0-100 | 23/100 | 42/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Refresh | Unit 221B |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Not detected |
| CMS | Not detected | Framer |
| Frameworks | Next.js, Tailwind CSS, Bootstrap | Not detected |
Refresh vs Unit 221B: common questions
Which is better, Refresh or Unit 221B?
On our 0-100 score Unit 221B rates higher (50/100 against 30/100). 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 Refresh and Unit 221B compare on the numbers?
Refresh leads on agent readiness (54/100 against 43/100). Unit 221B leads on our overall score (50/100 against 30/100), domain rating (42/100 against 23/100), headcount (21 against 9), LinkedIn following (3,252 against 407).
Read the full Refresh review and pricing or the Unit 221B review and pricing. You can also browse other Refresh alternatives we track.