Circu Li-Ion vs Fast Metals
Circu Li-Ion vs Fast Metals, compared side by side on 12 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: Circu Li-Ion is on 54/100 and Fast Metals on 46/100.
Where each one leads
Circu Li-Ion
- our overall score: 54/100 against 46/100
- funding raised: $19.0M against $4.3M
Fast Metals
- agent readiness: 30/100 against 22/100
At a glance
| Measure | Circu Li-Ion | Fast Metals |
|---|---|---|
| What it is | Develops advanced battery recycling technology for electric vehicle batteries. | Extracting critical minerals from industrial waste like red mud using a proprietary chemical process. |
| Category | Climate Tech, Battery Technology, Circular Economy, Industrial Automation | Climate Tech, Materials Science, Mining, Waste Management |
| Sells toBusiness model | B2B | B2B |
| Offering | Technology | services | Services |
| Founded | 2020 | 2024 |
| Headquarters | Metz, France | Stamford, United States |
| Status | Inactive | Active |
Size, funding and growth
| Measure | Circu Li-Ion | Fast Metals |
|---|---|---|
| Total funding | $19.0M | $4.3M |
| Latest round | Series A | Pre-Seed |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Circu Li-Ion | Fast Metals |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 54/100 | 46/100 |
| Traction | Not published | 33/100 |
| Team | 24/100 | 60/100 |
| Search visibility | Not published | 28/100 |
| Quality | Not published | 52/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (22/100) | F (30/100) |
| Domain ratingLink authority, 0-100 | Not published | 33/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Circu Li-Ion | Fast Metals |
|---|---|---|
| CDN | Not detected | Cloudflare |
| Frameworks | Not detected | Jquery |
Circu Li-Ion vs Fast Metals: common questions
Which is better, Circu Li-Ion or Fast Metals?
On our 0-100 score Circu Li-Ion rates higher (54/100 against 46/100). 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 12 data points above: read the rows that match what you are buying for.
How do Circu Li-Ion and Fast Metals compare on the numbers?
Circu Li-Ion leads on our overall score (54/100 against 46/100), funding raised ($19.0M against $4.3M). Fast Metals leads on agent readiness (30/100 against 22/100).
Read the full Circu Li-Ion review and pricing or the Fast Metals review and pricing. You can also browse other Circu Li-Ion alternatives we track.

