Exa vs Vespa.ai
Which Infrastructure AI tool is better in 2026?
Exa
Search for AI applications
Vespa.ai
Big-data serving engine for vector and lexical search
Side-by-side
Exa is the more established option (raised $102M), but Vespa.ai is cheaper to start.
| Metric | Exa | Vespa.ai |
|---|---|---|
| Taglinei | Search for AI applications | Big-data serving engine for vector and lexical search |
| Foundedi | 2022🏆 | 2023 |
| HQi | San Francisco, US | Trondheim, NO |
| Employeesi | 20-50 | 51-100🏆 |
| Neuron scorei | 56 | 82🏆 |
| Total fundingi | $102M🏆 | $31M |
| Latest roundi | Series B · Sep 2025 | Series A · Nov 2023 |
| Valuationi | $700M🏆 | — |
| Cheapest paid plani | — | Pricing not disclosed🏆 |
| Free plani | ✓ Free | ✓ |
| Free triali | ✓ | ✓ |
| Top tier pricei | Enterprise · Contact sales | Pricing not disclosed |
| Pricing summaryi | 3 published plans | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Exa and Vespa.ai.
| Capability | Exa | Vespa.ai |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | 3 (Python, JavaScript, TypeScript) | 3 (python, java, rest) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✓ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of Exa
- Has raised more capital ($102M vs $31M)
- More mature (2022)
- Verified profile
🔵 Strengths of Vespa.ai
- Higher Neuron score (82 vs 56)
- 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 Exa if you want the most established option — it has raised $102M, 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
Exa vs Vespa.ai — which is better?
It depends on your priority. Exa has raised more capital and is the more established option; Vespa.ai is cheaper to start. See the side-by-side table above.
Is Exa cheaper than Vespa.ai?
No — Vespa.ai's cheapest paid plan is Free, while Exa's is Free.
Do Exa and Vespa.ai offer free plans?
Exa: Yes, has a free plan. Vespa.ai: Yes, has a free plan.
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