Celestial AI vs Qdrant
Which Infrastructure AI tool is better in 2026?
Celestial AI
Photonic Fabric optical interconnect for AI infrastructure
Qdrant
High-performance vector search engine built in Rust for production-grade AI retrieval.
Side-by-side
Celestial AI is the more established option (raised $515M), but Qdrant is cheaper to start.
| Metric | Celestial AI | Qdrant |
|---|---|---|
| Taglinei | Photonic Fabric optical interconnect for AI infrastructure | High-performance vector search engine built in Rust for production-grade AI retrieval. |
| Foundedi | 2020🏆 | 2021 |
| HQi | Santa Clara, United States | Berlin, DE |
| Employeesi | — | 51-200🏆 |
| Neuron scorei | 77🏆 | 55 |
| Total fundingi | $515M🏆 | $50M |
| Latest roundi | Series C1 · Mar 2025 | Series B · Mar 2026 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✓ Qdrant Cloud Free Tier |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Qdrant Hybrid Cloud · Contact sales |
| Pricing summaryi | Custom | 5 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Celestial AI and Qdrant.
| Capability | Celestial AI | Qdrant |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 6 (Python, TypeScript, Rust, Go…) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Celestial AI
- Has raised more capital ($515M vs $50M)
- Higher Neuron score (77 vs 55)
- More mature (2020)
🔵 Strengths of Qdrant
- Offers a free plan
- Offers a free trial
- Newer company (2021)
Which should you choose?
Choose Qdrant 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 Celestial AI if you want the most established option — it has raised $515M, 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
Celestial AI vs Qdrant — which is better?
It depends on your priority. Celestial AI has raised more capital and is the more established option; Qdrant is cheaper to start. See the side-by-side table above.
Is Celestial AI cheaper than Qdrant?
No — Qdrant's cheapest paid plan is Free, while Celestial AI's is Custom.
Do Celestial AI and Qdrant offer free plans?
Celestial AI: Paid only. Qdrant: Yes, has a free plan.
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