toolgrep / Monitoring & observability / Respan
Alternatives to Respan
Respan: The AI router with built-in observability & automated evals. 8 products similar to Respan, compared on pricing, free tier, API, MCP server, SDK and open source. 8 of 8 have a free tier, 8 of 8 have an API, 6 of 8 offer an MCP server, 5 of 8 are open source.
- Respan
The AI router with built-in observability & automated evals.
- Helicone
AI Gateway & LLM Observability
- LangWatch
Agent observability and evals platform for tracing, testing, routing and governing LLM calls
- Langfuse
Open Source Agent Evals & Observability
- telemetry.dev
LLM observability for AI agents, built on OpenTelemetry
- Laminar
Open-source observability platform for AI agents
- Portkey
Production stack for Gen AI builders: AI gateway, observability, guardrails, governance, and prompt management.
- Braintrust
The active observability platform for agents
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Respan | Freemium · from $0 | yes | yes | yes | yes | yes |
| Respan | Freemium | yes | yes | yes | yes | — |
| Helicone | Freemium | yes | yes | no | yes | yes |
| LangWatch | Freemium | yes | yes | yes | yes | yes |
| Langfuse | Freemium | yes | yes | yes | yes | yes |
| telemetry.dev | Freemium | yes | yes | no | yes | no |
| Laminar | Freemium · from $0 | yes | yes | yes | yes | yes |
| Portkey | Freemium · from $49/month | yes | yes | yes | yes | yes |
| Braintrust | Freemium · from $0 | yes | yes | yes | yes | no |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/respan-2/alternatives