Armature vs deepset
Which Agents AI tool is better in 2026?
Armature
Agent testing and observability for MCPs and CLIs across every model and harness.
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
Side-by-side
deepset leads on both fronts — more capital raised ($45.6M) and a lower entry price than Armature.
| Metric | Armature | deepset |
|---|---|---|
| Taglinei | Agent testing and observability for MCPs and CLIs across every model and harness. | Haystack framework and deepset Cloud for enterprise LLM apps |
| Foundedi | 2026 | 2018🏆 |
| HQi | San Francisco, US | Berlin, DE |
| Employeesi | — | 51-100🏆 |
| Neuron scorei | 55 | 82🏆 |
| Total fundingi | $500K | $45.6M🏆 |
| Latest roundi | Seed · Mar 2026 | Series B · Aug 2023 |
| Valuationi | — | —🏆 |
| Cheapest paid plani | From $79/mo | Pricing not disclosed🏆 |
| Free plani | ✗ | ✗ |
| Free triali | ✓ | ✗ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free trial · From $79/mo | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for Armature and deepset.
| Capability | Armature | deepset |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| OAuth 2.0 | ✗ | ✓ |
| SDK languages | — | 2 (python, rest) |
| Free plan | ✗ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Armature
- Offers a free trial
- Newer company (2026)
🔵 Strengths of deepset
- Has raised more capital ($45.6M vs $500K)
- Higher Neuron score (82 vs 55)
- More mature (2018)
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 Agents 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
Armature vs deepset — which is better?
It depends on your priority. Armature is the leaner option; deepset is cheaper to start. See the side-by-side table above.
Is Armature cheaper than deepset?
No — deepset's cheapest paid plan is Enterprise · Contact sales, while Armature's is Free trial · From $79/mo.
Do Armature and deepset offer free plans?
Armature: Free trial only. deepset: Paid only.
Explore more AI Agents tools
Contextual paths to related AI startups, deals and rankings.