deepset vs Not Diamond
Which Developer Tools AI tool is better in 2026?
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
Not Diamond
Data-driven recommendation and routing layer that sends each prompt to the best AI model
Side-by-side
deepset leads on both fronts — more capital raised ($45.6M) and a lower entry price than Not Diamond.
| Metric | deepset | Not Diamond |
|---|---|---|
| Taglinei | Haystack framework and deepset Cloud for enterprise LLM apps | Data-driven recommendation and routing layer that sends each prompt to the best AI model |
| Foundedi | 2018🏆 | — |
| HQi | Berlin, DE | San Francisco, United States |
| Employeesi | 51-100🏆 | — |
| Neuron scorei | 47 | 64🏆 |
| Total fundingi | $45.6M🏆 | $2.3M |
| Latest roundi | Series B · Aug 2023 | Pre-Seed · Jul 2024 |
| 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 | Enterprise · Contact sales | Free |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for deepset and Not Diamond.
| Capability | deepset | Not Diamond |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 2 (python, rest) | — |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of deepset
- Has raised more capital ($45.6M vs $2.3M)
- Newer company (2018)
🔵 Strengths of Not Diamond
- Higher Neuron score (64 vs 47)
- Offers a free plan
- Offers a free trial
Which should you choose?
Choose deepset if price matters most — it starts at Enterprise · Contact sales, 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 deepset if you want the most established option — it has raised $45.6M, 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
deepset vs Not Diamond — which is better?
It depends on your priority. deepset has raised more capital and is the more established option; Not Diamond has broader feature depth. See the side-by-side table above.
Is deepset cheaper than Not Diamond?
Yes — deepset's cheapest paid plan is Enterprise · Contact sales, while Not Diamond's is Free.
Do deepset and Not Diamond offer free plans?
deepset: Paid only. Not Diamond: Yes, has a free plan.
Explore more AI Developer Tools tools
Contextual paths to related AI startups, deals and rankings.