Fluidstack vs Zilliz
Which Infrastructure AI tool is better in 2026?
Fluidstack
London-based AI cloud platform providing large-scale GPU compute for training and inference
Zilliz
Fully managed vector database for AI, built by the creators of Milvus
Side-by-side
Fluidstack is the more established option (raised $903M), but Zilliz is cheaper to start.
| Metric | Fluidstack | Zilliz |
|---|---|---|
| Taglinei | London-based AI cloud platform providing large-scale GPU compute for training and inference | Fully managed vector database for AI, built by the creators of Milvus |
| Foundedi | 2017 | 2017 |
| HQi | London, United Kingdom | Redwood City, United States |
| Employeesi | 11-50 | 200🏆 |
| Neuron scorei | 50 | 75🏆 |
| Total fundingi | $903M🏆 | $113M |
| Latest roundi | Series B · Dec 2025 | series_b · Aug 2022 |
| Valuationi | $7.5B🏆 | — |
| Cheapest paid plani | Pricing not disclosed | Pricing not disclosed🏆 |
| Free plani | ✓ | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Fluidstack and Zilliz.
| Capability | Fluidstack | Zilliz |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 5 (Python, Node.js, Go, Java…) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Fluidstack
- Has raised more capital ($903M vs $113M)
🔵 Strengths of Zilliz
- Higher Neuron score (75 vs 50)
Which should you choose?
Choose Zilliz if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Infrastructure tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Fluidstack if you want the most established option — it has raised $903M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Fluidstack vs Zilliz — which is better?
It depends on your priority. Fluidstack has raised more capital and is the more established option; Zilliz is cheaper to start. See the side-by-side table above.
Is Fluidstack cheaper than Zilliz?
No — Zilliz's cheapest paid plan is Free, while Fluidstack's is Free.
Do Fluidstack and Zilliz offer free plans?
Fluidstack: Yes, has a free plan. Zilliz: Yes, has a free plan.
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