Helicone
Eval Observability
The open-source LLM observability platform.
- Founded
- 2023
- Company
- Helicone
Pairwise compare
Helicone vs LangSmith
Side-by-side comparison of Helicone and LangSmith: category, pricing, company, tags, and public links.
$20/mo
LangSmith
Eval Observability
Debug, test, and monitor LLM applications.
- Founded
- 2023
- Company
- Langchain
Side-by-side fields
Static v1 catalog signals only. Live pricing and source verification are deferred.
| Field | Helicone | LangSmith |
|---|---|---|
| One-liner | The open-source LLM observability platform. | Debug, test, and monitor LLM applications. |
| Category | Eval Observability | Eval Observability |
| Starting price / mo | $20/mo | $39/mo |
| Company | Helicone | Langchain |
| Founded | 2023 | 2023 |
| GitHub | github.com/Helicone/helicone | — |
| @helicone_ai | @LangChainAI | |
| Tags | Observability, Evals, Open Source | Observability, Evals, Tracing |
| Status | Tracked | Tracked |