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Reviewed · Updated 2026-06-16

Helicone

A monitoring platform for tracking API usage and performance of AI models in real time.

Reviewed by the Conversion Gems editorial team ·
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Pricing
Freemium
Best for
Developers
Category
AI Development
The bottom line

Solid LLM ops tooling with generous free tier; evaluate migration path post-acquisition.

7.9
Our score
7.9 / 10
Conversion Gems editorial verdict
Free (10K req/mo); Pro $79/mo
Features8/10
8 - logging, gateway, sessions, cost tracking and HQL.
Value8/10
8 - strong free tier; Pro reasonably priced.
Ease of use9/10
9 - very easy proxy integration.
Ecosystem7/10
7 - popular in YC ecosystem; OSS community.
Support6/10
6 - maintenance mode limits roadmap.
What it really is

Helicone - an open-source LLM observability platform and AI gateway for logging, cost tracking and analytics on model API calls.

Our take

Drop-in proxy/SDK logs requests, latency, costs and users. Free Hobby: 10K requests/mo. Pro $79/mo, Team $799/mo (SOC-2/HIPAA). Note: acquired by Mintlify (2025) and in maintenance mode - still operational but plan migration long-term.

Best for
Startups adding LLM logging with minimal code changes
Teams needing cost/latency dashboards on OpenAI/Anthropic calls
Engineers wanting open-source option with cloud hosted tier
Not good for
Long-term greenfield without considering Mintlify maintenance mode
Non-LLM application monitoring primary use
Teams needing forever retention on cheap tier
Friction report
Time to value
Fast: proxy URL swap or SDK in minutes.
Scale breakpoint
Team tier jump for compliance; usage overages on scale.
Walled garden
Low: OSS self-host possible; data export available.

Frequently Asked Questions

Alternatives

Step up

Langfuse or LangSmith for active development roadmaps.

Lighter alternative

Provider-native usage dashboards for tiny apps.

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Tags

#LLMOps#LLMObservability#ModelEvaluation

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