Fluidstack vs Vespa.ai
Which Infrastructure AI tool is better in 2026?
Fluidstack
Vespa.ai
Big-data serving engine for vector and lexical search
Side-by-side
Fluidstack is the more established option (raised $903M), but Vespa.ai is cheaper to start.
| Metric | Fluidstack | Vespa.ai |
|---|---|---|
| Taglinei | — | Big-data serving engine for vector and lexical search |
| Foundedi | 2017🏆 | 2023 |
| HQi | London, United Kingdom | Trondheim, NO |
| Employeesi | 11-50 | 51-100🏆 |
| Neuron scorei | 70 | 82🏆 |
| Total fundingi | $903M🏆 | $31M |
| Latest roundi | Series B · Dec 2025 | Series A · Nov 2023 |
| 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 Vespa.ai.
| Capability | Fluidstack | Vespa.ai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 3 (python, java, rest) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Fluidstack
- Has raised more capital ($903M vs $31M)
- More mature (2017)
🔵 Strengths of Vespa.ai
- Higher Neuron score (82 vs 70)
- Newer company (2023)
Which should you choose?
Choose Vespa.ai 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.
💸 Deals
Vespa Cloud — $300 in free trial credits
New Vespa Cloud accounts get $300 in trial credits to spin up production-grade vector + lexical search.
Terms: New accounts only. Expires after 30 days.
Frequently asked questions
Fluidstack vs Vespa.ai — which is better?
It depends on your priority. Fluidstack has raised more capital and is the more established option; Vespa.ai is cheaper to start. See the side-by-side table above.
Is Fluidstack cheaper than Vespa.ai?
No — Vespa.ai's cheapest paid plan is Free, while Fluidstack's is Free.
Do Fluidstack and Vespa.ai offer free plans?
Fluidstack: Yes, has a free plan. Vespa.ai: Yes, has a free plan.
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