OpenRouter vs Respan
A side-by-side comparison of OpenRouter and Respan, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | OpenRouter | Respan |
|---|---|---|
| Category (differs) | Inference | Observability |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms | API, Web | API, Web |
| Model support (differs) | Multi-model | Model-agnostic |
| Vendor (differs) | OpenRouter | Keywords AI, Inc. |
The honest brief
OpenRouter
Swap among 300+ models behind one OpenAI-compatible key with auto-fallback and a single consolidated bill.
- Swap models by changing one parameter
- Automatic provider fallback
- One consolidated bill
- Dozens of free models
- Pass-through token pricing
- Adds a routing hop vs direct provider
- Markup on some routes
- Not a self-hostable gateway
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