Nebius vs Weaviate
Which Infrastructure AI tool is better in 2026?
Nebius
Full-stack AI cloud with large-scale GPU clusters for training and inference
Weaviate
Open-source AI-native vector database
Side-by-side
Nebius is the more established option (raised $700M), but Weaviate is cheaper to start.
| Metric | Nebius | Weaviate |
|---|---|---|
| Taglinei | Full-stack AI cloud with large-scale GPU clusters for training and inference | Open-source AI-native vector database |
| Foundedi | 2024 | 2019🏆 |
| HQi | Amsterdam, Netherlands | Amsterdam, NL |
| Employeesi | 1000 | 200-500🏆 |
| Neuron scorei | 77🏆 | 51 |
| Total fundingi | $700M🏆 | $50M |
| Latest roundi | private_placement · Dec 2024 | Series C · Oct 2025 |
| Valuationi | — | $200M🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✓ Open Source |
| Free triali | ✓ | ✓ |
| Top tier pricei | Pricing not disclosed | Weaviate Cloud · Contact sales |
| Pricing summaryi | Free trial | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Nebius and Weaviate.
| Capability | Nebius | Weaviate |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 4 (Python, REST API, CLI, Terraform) | 5 (Python, Go, TypeScript, JavaScript…) |
| Free plan | ✗ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Nebius
- Has raised more capital ($700M vs $50M)
- Higher Neuron score (77 vs 51)
- Newer company (2024)
🔵 Strengths of Weaviate
- Offers a free plan
- More mature (2019)
- Verified profile
Which should you choose?
Choose Weaviate if price matters most — it starts at Open source, 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 Nebius if you want the most established option — it has raised $700M, 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
Nebius vs Weaviate — which is better?
It depends on your priority. Nebius has raised more capital and is the more established option; Weaviate is cheaper to start. See the side-by-side table above.
Is Nebius cheaper than Weaviate?
No — Weaviate's cheapest paid plan is Free, while Nebius's is Free trial.
Do Nebius and Weaviate offer free plans?
Nebius: Free trial only. Weaviate: Yes, has a free plan.
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