Helicone vs Respan
A side-by-side comparison of Helicone and Respan, two Observability tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Helicone | Respan |
|---|---|---|
| Category | Observability | Observability |
| Pricing | FREEMIUM | FREEMIUM |
| License (differs) | Open core | Proprietary |
| Deployment (differs) | Hybrid | Cloud |
| Platforms | API, Web | API, Web |
| Model support | Model-agnostic | Model-agnostic |
| Vendor (differs) | Helicone | Keywords AI, Inc. |
The honest brief
Helicone
Fastest setup in the category: change one base URL, no SDK, and the open-source proxy can be self-hosted.
- No SDK or code changes to integrate
- Open source, self-hostable
- Built-in caching and rate-limit handling
- Multi-provider gateway
- Request/response focused, not span-based
- Weaker multi-step agent tracing
- Proxy adds a network hop
- Lighter eval tooling than Langfuse
Respan
Bundles an AI gateway, observability, and an automated eval agent in one loop — detect, decide, and fix in production without stitching tools.
- Trace trees, dashboards, and alerts
- 500+ models via one endpoint
- Rule checks, AI judges, human review
- Spend caps and fallback routing
- Generous free tier (100k logs)
- Proprietary, no self-host option
- Recent rebrand can confuse search
- Team tier jumps to $199/mo