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Helicone

Helicone
open source / Overall score: 3.0

LLM proxy that captures logs, costs and latency through a one-line change to the API base URL, with a dashboard for request volume, token usage, cost and error rates. It is also an AI gateway reaching more than a hundred models behind one API key, with automatic fallbacks, caching, prompt management and datasets. It runs from the repository or as a hosted service.

Openness

5 high confidence
5.0
license
Apache-2.0(OSI)
source
public
core features withheld
no — the README points to a published docker-compose file for self-hosting under the Apache-2.0 license, and the only paid item it names is an Enterprise Helm chart for production deployment

Helicone's repository is licensed under Apache 2.0, and its README gives a docker-compose file for self-hosting under that license. The README names only an Enterprise Helm chart, available on request, for production deployments.

  • https://github.com/Helicone/helicone recorded 2026-06-04

    Apache-2.0 license; full source; hosted cloud paid tiers + self-host

  • https://raw.githubusercontent.com/Helicone/helicone/main/LICENSE recorded 2026-09-29

    The root LICENSE file of the repository is the standard text of the "Apache License" "Version 2.0, January 2004" with "TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION".

  • https://raw.githubusercontent.com/Helicone/helicone/main/README.md recorded 2026-09-29

    The README states "Helicone is licensed under the [Apache v2.0 License](LICENSE)." and says "Helicone is simple to self-host and update. To get started locally, just use our [docker-compose](https://docs.helicone.ai/getting-started/self-deploy-docker) file." under the heading "Self-Hosting Open Source LLM Observability". The one paid item named is the Helm chart: "For Enterprise workloads, we also have a production-ready Helm chart available."

Adoption

2 low confidence
2.0

GitHub stars on Helicone/helicone are the only adoption signal available, since no download, install, request or customer figure is published for this product. A star is not a use, so stars alone cannot carry a product past a modest reading, and the level here is directional rather than measured.

Capability

4 high confidence
4.0

Helicone combines observability and agent tracing, prompt management versioned against production data, cost and latency analytics, datasets, caching, and LLM routing through an AI gateway spanning more than a hundred models with automatic fallbacks. That breadth keeps it level with Langfuse rather than ahead of it.

  • https://docs.helicone.ai/gateway/overview.md recorded 2026-09-29

    AI Gateway overview: "Helicone AI Gateway provides a unified API for 100+ LLM providers through the OpenAI SDK format" with "automatic fallbacks" and a comparison table listing Session Tracking, Prompt Management, Caching and Open Source as supported.

  • https://docs.helicone.ai/llms.txt recorded 2026-09-29

    Docs index listing pages for "Compose and iterate prompts, then easily deploy them in any LLM call with the AI Gateway." and "Curate and export LLM request/response data for fine-tuning, evaluation, and analysis" plus Sessions and LLM Caching pages.

  • https://github.com/Helicone/helicone recorded 2026-06-04

    feature list: observability/agent tracing, prompt mgmt, cost analytics, AI Gateway/routing, datasets/fine-tuning, fallbacks

Verified 2026-09-27