toolgrep / Monitoring & observability / Helicone
Alternatives to Helicone
Helicone: AI Gateway & LLM Observability. 8 products similar to Helicone, 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, 7 of 8 offer an MCP server, 6 of 8 are open source.
- Langfuse
Open Source Agent Evals & Observability
- LangWatch
Agent observability and evals platform for tracing, testing, routing and governing LLM calls
- telemetry.dev
LLM observability for AI agents, built on OpenTelemetry
- Portkey
Production stack for Gen AI builders: AI gateway, observability, guardrails, governance, and prompt management.
- Respan
The AI router with built-in observability & automated evals.
- Respan
The AI router with built-in observability & automated evals.
- Laminar
Open-source observability platform for AI agents
- Latitude
Open-source AI agent observability and monitoring platform
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| Helicone | Freemium | yes | yes | no | yes | yes |
| Langfuse | Freemium | yes | yes | yes | yes | yes |
| LangWatch | Freemium | yes | yes | yes | yes | yes |
| telemetry.dev | Freemium | yes | yes | no | yes | no |
| Portkey | Freemium · from $49/month | yes | yes | yes | yes | yes |
| Respan | Freemium · from $0 | yes | yes | yes | yes | yes |
| Respan | Freemium | yes | yes | yes | yes | — |
| Laminar | Freemium · from $0 | yes | yes | yes | yes | yes |
| Latitude | Freemium | yes | yes | yes | yes | yes |
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
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