Helicone vs LangChain
Which Developer Tools AI tool is better in 2026?
Helicone
Helicone is an AI gateway and LLM observability platform that helps companies route, debug, and analyze their AI applications.
LangChain
Build context-aware AI applications
Side-by-side
| Helicone | LangChain | |
|---|---|---|
| Tagline | Helicone is an AI gateway and LLM observability platform that helps companies route, debug, and analyze their AI applications. | Build context-aware AI applications |
| Founded | — | 2022 |
| HQ | — | San Francisco, US |
| Employees | — | 50-100 |
| Total funding | Undisclosed | $35M |
| Latest round | — | Seed |
| Valuation | — | $200M |
| Cheapest paid plan | Pro · $79/mo | Plus · $39/mo |
| Free plan | ✓ Hobby | ✓ Developer |
| Free trial | ✓ | ✗ |
| Top tier price | Team · $799/mo | Plus · $39/mo |
| Pricing summary | 4 published plans | 3 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Helicone and LangChain.
| Capability | Helicone | LangChain |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | 4 (Python, TypeScript, Go, Java) |
| Free plan | ✓ | ✓ |
| Free trial | ✓ | ✗ |
| Verified | ✗ | ✓ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Helicone
- Offers a free plan
- Offers a free trial
🔵 Strengths of LangChain
- Has raised more capital ($35M vs Undisclosed)
- Higher Neuron score (50 vs 12)
- Lower starting price ($39/mo)
- Newer company (2022)
Which should you choose?
Choose LangChain if price matters most — it starts at Freemium · From $39/mo, 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 LangChain if you want the most established option — it has raised $35M, 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
Helicone vs LangChain — which is better?
It depends on your priority. Helicone is the leaner option; LangChain is cheaper to start. See the side-by-side table above.
Is Helicone cheaper than LangChain?
No — LangChain's cheapest paid plan is Plus · $39/mo, while Helicone's is Pro · $79/mo.
Do Helicone and LangChain offer free plans?
Helicone: Yes, has a free plan. LangChain: Yes, has a free plan.
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