Mithril vs Weaviate
Which Developer Tools AI tool is better in 2026?
Mithril
AI-native public cloud that orchestrates GPU compute as simply as flipping a switch
Weaviate
Open-source AI-native vector database
Side-by-side
Mithril is the more established option (raised $80M), but Weaviate is cheaper to start.
| Metric | Mithril | Weaviate |
|---|---|---|
| Taglinei | AI-native public cloud that orchestrates GPU compute as simply as flipping a switch | Open-source AI-native vector database |
| Foundedi | 2022 | 2019🏆 |
| HQi | United States | Amsterdam, NL |
| Employeesi | 11-50 | 200-500🏆 |
| Neuron scorei | 69🏆 | 51 |
| Total fundingi | $80M🏆 | $50M |
| Latest roundi | Series A · Mar 2024 | Series C · Oct 2025 |
| Valuationi | — | $200M🏆 |
| Cheapest paid plani | Pricing not disclosed | —🏆 |
| Free plani | ✗ | ✓ Open Source |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Weaviate Cloud · Contact sales |
| Pricing summaryi | Paid | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Mithril and Weaviate.
| Capability | Mithril | Weaviate |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 5 (Python, Go, TypeScript, JavaScript…) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Mithril
- Has raised more capital ($80M vs $50M)
- Higher Neuron score (69 vs 51)
- Newer company (2022)
🔵 Strengths of Weaviate
- Offers a free plan
- Offers a free trial
- More mature (2019)
- Verified profile
Which should you choose?
Choose Weaviate if price matters most — it starts at Open source, which is friendlier for teams watching burn. Both AI Developer Tools tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Mithril if you want the most established option — it has raised $80M, 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
Mithril vs Weaviate — which is better?
It depends on your priority. Mithril has raised more capital and is the more established option; Weaviate is cheaper to start. See the side-by-side table above.
Is Mithril cheaper than Weaviate?
No — Weaviate's cheapest paid plan is Free, while Mithril's is Paid.
Do Mithril and Weaviate offer free plans?
Mithril: Paid only. Weaviate: Yes, has a free plan.
Explore more AI Developer Tools tools
Contextual paths to related AI startups, deals and rankings.