Thinking Machines Lab vs Weaviate
Which Developer Tools AI tool is better in 2026?
Thinking Machines Lab
Frontier AI research lab building customizable, multimodal models
Weaviate
Open-source AI-native vector database
Side-by-side
Thinking Machines Lab is the more established option (raised $2B); pricing is comparable on both sides.
| Metric | Thinking Machines Lab | Weaviate |
|---|---|---|
| Taglinei | Frontier AI research lab building customizable, multimodal models | Open-source AI-native vector database |
| Foundedi | 2025 | 2019🏆 |
| HQi | San Francisco, US | Amsterdam, NL |
| Employeesi | 11-50 | 200-500🏆 |
| Neuron scorei | 78🏆 | 51 |
| Total fundingi | $2B🏆 | $50M |
| Latest roundi | Seed · Jul 2025 | Series C · Oct 2025 |
| Valuationi | $12B🏆 | $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 | Usage | 2 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Thinking Machines Lab and Weaviate.
| Capability | Thinking Machines Lab | Weaviate |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✓ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 1 (python) | 2 (python, typescript) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Thinking Machines Lab
- Has raised more capital ($2B vs $50M)
- Higher Neuron score (78 vs 51)
- Newer company (2025)
🔵 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 Thinking Machines Lab if you want the most established option — it has raised $2B, 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
Thinking Machines Lab vs Weaviate — which is better?
It depends on your priority. Thinking Machines Lab has raised more capital and is the more established option; Weaviate has broader feature depth. See the side-by-side table above.
Is Thinking Machines Lab cheaper than Weaviate?
No — Weaviate's cheapest paid plan is Free, while Thinking Machines Lab's is Usage.
Do Thinking Machines Lab and Weaviate offer free plans?
Thinking Machines Lab: Paid only. Weaviate: Yes, has a free plan.
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