VAST Data vs Vespa.ai
Which Infrastructure AI tool is better in 2026?
VAST Data
Unifying software layer for AI infrastructure
Vespa.ai
Big-data serving engine for vector and lexical search
Side-by-side
VAST Data is the more established option (raised $2.4B), but Vespa.ai is cheaper to start.
| Metric | VAST Data | Vespa.ai |
|---|---|---|
| Taglinei | Unifying software layer for AI infrastructure | Big-data serving engine for vector and lexical search |
| Foundedi | 2016🏆 | 2023 |
| HQi | US | Trondheim, NO |
| Employeesi | 201-500 | 51-100🏆 |
| Neuron scorei | 88🏆 | 82 |
| Total fundingi | $2.4B🏆 | $31M |
| Latest roundi | Series F · Apr 2026 | Series A · Nov 2023 |
| Valuationi | $30B🏆 | — |
| Cheapest paid plani | — | Pricing not disclosed🏆 |
| Free plani | ✗ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 1 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for VAST Data and Vespa.ai.
| Capability | VAST Data | 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 VAST Data
- Has raised more capital ($2.4B vs $31M)
- Higher Neuron score (88 vs 82)
- More mature (2016)
🔵 Strengths of Vespa.ai
- Offers a free plan
- Offers a free trial
- 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 VAST Data if you want the most established option — it has raised $2.4B, 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
VAST Data vs Vespa.ai — which is better?
It depends on your priority. VAST Data has raised more capital and is the more established option; Vespa.ai is cheaper to start. See the side-by-side table above.
Is VAST Data cheaper than Vespa.ai?
No — Vespa.ai's cheapest paid plan is Free, while VAST Data's is Enterprise · Contact sales.
Do VAST Data and Vespa.ai offer free plans?
VAST Data: Paid only. Vespa.ai: Yes, has a free plan.
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