HoneyHive vs LangSmith
A side-by-side comparison of HoneyHive and LangSmith, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | HoneyHive | LangSmith |
|---|---|---|
| Category (differs) | Eval | Observability |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms (differs) | Web, API, CLI | API, Web |
| Model support | Model-agnostic | Model-agnostic |
| Vendor (differs) | HoneyHive | LangChain |
The honest brief
HoneyHive
OpenTelemetry-native loop that turns production failures into test cases, with strong human-evaluation tooling.
- Unifies tracing and evaluation
- OTel-native, framework-agnostic
- Failures auto-become test cases
- Robust human eval + annotation
- Generous free Developer tier
- SaaS-only (self-host = Enterprise)
- No built-in caching
- Newer, smaller ecosystem
- UI less mature than incumbents
LangSmith
Deepest native LangChain/LangGraph tracing — but cloud-only, where Langfuse lets you self-host the same.
- Native LangChain/LangGraph tracing
- Works standalone via SDKs
- Datasets + eval orchestration
- Prompt playground built in
- Closed source, cloud-only
- Self-host is Enterprise-only
- Best value inside LangChain stack