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Helicone vs OpenObserve

A side-by-side comparison of Helicone and OpenObserve, two Observability tools, drawn from Ignaite's continuously-verified listings.

Compared from listings verified as of

Helicone

Observability

Drop-in LLM proxy with logging, caching, and cost tracking.

View Helicone

OpenObserve

Observability

Open-source observability for logs, metrics, traces and LLMs in one platform.

View OpenObserve

At a glance

Feature comparison of Helicone and OpenObserve
AttributeHeliconeOpenObserve
CategoryObservabilityObservability
PricingFREEMIUMFREEMIUM
LicenseOpen coreOpen core
DeploymentHybridHybrid
Platforms (differs)API, WebWeb, API, CLI
Model supportModel-agnosticModel-agnostic
Vendor (differs)HeliconeOpenObserve Inc.
Capabilities (differs)
  • LLM gateway / routing
  • LLM observability
  • Prompt management
  • MCP server
  • LLM observability
  • Text-to-SQL

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

OpenObserve

Claims ~140x lower storage cost than Elasticsearch via Parquet columnar storage, and unifies logs, metrics, traces, RUM and LLM observability in one binary.

  • Single binary self-host or managed cloud
  • Dashboards, alerts, and session replay
  • NL query assistant and SRE agent
  • Fully open source (AGPL-3.0)
  • Trusted by 6,000+ orgs
  • AGPL-3.0 can deter some commercial embedding
  • Younger ecosystem than Datadog/Grafana
  • Enterprise features gated above 50GB/day

When to pick which

Both cover LLM observability.

Pick Helicone if you need LLM gateway / routing and Prompt management.

  • LLM gateway / routing (primary capability)
  • Prompt management (secondary capability)

Pick OpenObserve if you need MCP server and Text-to-SQL.

  • MCP server (secondary capability)
  • Text-to-SQL (secondary capability)

They also differ on:

Platforms
API, Web · Web, API, CLI