deepset vs Weights & Biases
Which Developer Tools AI tool is better in 2026?
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
Weights & Biases
The AI developer platform
Side-by-side
Weights & Biases is the more established option (raised $245M), but deepset is cheaper to start.
| Metric | deepset | Weights & Biases |
|---|---|---|
| Taglinei | Haystack framework and deepset Cloud for enterprise LLM apps | The AI developer platform |
| Foundedi | 2018 | 2018 |
| HQi | Berlin, DE | San Francisco, US |
| Employeesi | 51-100🏆 | 500-1000 |
| Neuron scorei | 82🏆 | 49 |
| Total fundingi | $45.6M | $245M🏆 |
| Latest roundi | Series B · Aug 2023 | Series C · Oct 2023 |
| Valuationi | — | $1B🏆 |
| Cheapest paid plani | Pricing not disclosed🏆 | — |
| Free plani | ✗ | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | Enterprise · Contact sales |
| Pricing summaryi | Enterprise · Contact sales | 1 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for deepset and Weights & Biases.
| Capability | deepset | Weights & Biases |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 2 (python, rest) | 1 (Python) |
| Free plan | ✗ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of deepset
- Higher Neuron score (82 vs 49)
🔵 Strengths of Weights & Biases
- Has raised more capital ($245M vs $45.6M)
- Verified profile
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 Weights & Biases if you want the most established option — it has raised $245M, 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 Weights & Biases — which is better?
It depends on your priority. deepset is the leaner option; Weights & Biases has broader feature depth. See the side-by-side table above.
Is deepset cheaper than Weights & Biases?
Yes — deepset's cheapest paid plan is Enterprise · Contact sales, while Weights & Biases's is Enterprise · Contact sales.
Do deepset and Weights & Biases offer free plans?
deepset: Paid only. Weights & Biases: Paid only.
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