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NeuronFeed

Serafis vs Vespa.ai

Which Search AI tool is better in 2026?

Serafis

Narrative intelligence and search for institutional investors

$500K

Vespa.ai

Big-data serving engine for vector and lexical search

$31M

Side-by-side

Verdict

Vespa.ai leads on both fronts — more capital raised ($31M) and a lower entry price than Serafis.

Metric Serafis Vespa.ai
Taglinei Narrative intelligence and search for institutional investors Big-data serving engine for vector and lexical search
Foundedi 2025 2023🏆
HQi San Francisco, United States Trondheim, NO
Employeesi 51-100🏆
Neuron scorei 62 82🏆
Total fundingi $500K $31M🏆
Latest roundi Pre-Seed Series A · Nov 2023
Valuationi 🏆
Cheapest paid plani Pricing not disclosed Pricing not disclosed🏆
Free plani
Free triali
Top tier pricei Pricing not disclosed Pricing not disclosed
Pricing summaryi Custom Free
Categoriesi

Capability matrix

Developer-facing capabilities and access signals for Serafis and Vespa.ai.

Capability Serafis 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 Serafis

  • Newer company (2025)

🔵 Strengths of Vespa.ai

  • Has raised more capital ($31M vs $500K)
  • Higher Neuron score (82 vs 62)
  • Offers a free plan
  • Offers a free trial

Which should you choose?

Choose Vespa.ai if price matters most — it starts at Free, which is friendlier for teams watching burn. Both AI Search tools ship core features, so the cost delta often decides it for small teams and solo operators.

Choose Vespa.ai if you want the most established option — it has raised $31M, 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

Deal
Vespa.ai

Vespa Cloud — $300 in free trial credits

New Vespa Cloud accounts get $300 in trial credits to spin up production-grade vector + lexical search.

No code needed — discount applied automatically. Claim deal

Terms: New accounts only. Expires after 30 days.

Frequently asked questions

Serafis vs Vespa.ai — which is better?

It depends on your priority. Serafis is the leaner option; Vespa.ai is cheaper to start. See the side-by-side table above.

Is Serafis cheaper than Vespa.ai?

No — Vespa.ai's cheapest paid plan is Free, while Serafis's is Custom.

Do Serafis and Vespa.ai offer free plans?

Serafis: Paid only. Vespa.ai: Yes, has a free plan.

Contextual paths to related AI startups, deals and rankings.