deepset vs OpenAI
Which Developer Tools AI tool is better in 2026?
deepset
Haystack framework and deepset Cloud for enterprise LLM apps
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Side-by-side
OpenAI is the more established option (raised $193.3B), but deepset is cheaper to start.
| Metric | deepset | OpenAI |
|---|---|---|
| Taglinei | Haystack framework and deepset Cloud for enterprise LLM apps | Creator of ChatGPT, GPT-4, and the leading frontier AI lab. |
| Foundedi | 2018 | 2015🏆 |
| HQi | Berlin, DE | San Francisco, US |
| Employeesi | 51-100🏆 | 1001-5000 |
| Neuron scorei | 47 | 83🏆 |
| Total fundingi | $45.6M | $193.3B🏆 |
| Latest roundi | Series B · Aug 2023 | Series E · Mar 2026 |
| Valuationi | — | $852B🏆 |
| Cheapest paid plani | Pricing not disclosed🏆 | ChatGPT Plus · $20/mo |
| Free plani | ✗ | ✓ Free |
| Free triali | ✗ | ✗ |
| Top tier pricei | Pricing not disclosed | ChatGPT Team · $25/mo |
| Pricing summaryi | Enterprise · Contact sales | 4 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for deepset and OpenAI.
| Capability | deepset | OpenAI |
|---|---|---|
| MCP support | ✗ | ✓ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✓ |
| OAuth 2.0 | ✓ | ✓ |
| SDK languages | 2 (python, rest) | 6 (Python, Node.js, TypeScript, Go…) |
| Free plan | ✗ | ✓ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✓ |
🟢 Strengths of deepset
- Newer company (2018)
🔵 Strengths of OpenAI
- Has raised more capital ($193.3B vs $45.6M)
- Higher Neuron score (83 vs 47)
- Offers a free plan
- More mature (2015)
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 OpenAI if you want the most established option — it has raised $193.3B, 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.
💸 Deals
Free daily tokens via OpenAI data-sharing tier
Eligible OpenAI API tiers can earn free daily tokens on GPT-4.1, GPT-4o, and other models by opting in to share prompts and completions for model improvement.
Terms: Opt-in required. Token allotment varies by tier.
Frequently asked questions
deepset vs OpenAI — which is better?
It depends on your priority. deepset is the leaner option; OpenAI has broader feature depth. See the side-by-side table above.
Is deepset cheaper than OpenAI?
Yes — deepset's cheapest paid plan is Enterprise · Contact sales, while OpenAI's is ChatGPT Plus · $20/mo.
Do deepset and OpenAI offer free plans?
deepset: Paid only. OpenAI: Yes, has a free plan.
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