No. 10 of 32 ·AI Agent Observability Tools

Helicone

Web · Self-hosted · API · paid plans from $79/mo

Freedom report

Two barsScore 6.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Helicone is ranked #10 of 32 in AI agent observability tools on Freedom251. It runs on API, Self-hosted, Web. There is a free plan. A free trial is offered. Paid plans start at $79/mo.

Helicone plans and pricing

All plans

Hobby Free 10,000 free requests · 1 GB storage · 1 seat · 1 organization · 7 days retention · 10 logs/min ingestion helicone.ai · 1 Oct 2026

Pro $79/mo per month 10,000 free requests + usage-based · unlimited seats · 1 organization · 1 month retention · 1,000 logs/min ingestion · 10 API calls/min helicone.ai · 1 Oct 2026

Team $799/mo per month 10,000 free requests + usage-based · unlimited seats · 5 organizations · 3 months retention · 15,000 logs/min ingestion · 60 API calls/min · SOC-2 & HIPAA compliance helicone.ai · 1 Oct 2026

Enterprise Not published custom MSA · SAML SSO · on-prem deployment · bulk cloud discounts · unlimited seats and organizations · forever retention helicone.ai · 1 Oct 2026

Compared on AI agent observability tools

Free plan: Yes
Paid from: $79/mo
Cost tracking: Yes

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The record

Purpose: Helicone routes, debugs, and analyzes AI applications.
Model access: Its gateway provides access to more than 100 models through the OpenAI SDK by changing the model name.
Routing: The platform provides smart load balancing, automatic failovers, and response caching across providers.
Observability: Helicone visualizes multi-step LLM interactions, logs requests in real time, and helps identify error root causes.
Providers: Listed integrations include OpenAI, Anthropic, Azure, LiteLLM, Anyscale, Together AI, and OpenRouter.
Self-hosting: Helicone can be deployed in a customer's infrastructure through single-click deployment or a production-ready Helm chart.
Compliance: Helicone states that its cloud is SOC 2, HIPAA, and GDPR compliant.
Open source: Helicone describes itself as proudly open-source and invites contributors to its community.
Support: The pricing page lists community support through GitHub and Discord.
LangGraph: The LangGraph integration provides visibility into LLM calls, session tracking, performance metrics, and cost monitoring.
API cost tool: Helicone offers an API cost calculator covering more than 300 models and providers.
Free access: The homepage advertises a 7-day free trial with no credit card required.
Company status: Helicone says it was acquired by Mintlify and that its services remain live in maintenance mode with security updates, new models, and bug and performance fixes continuing.
Price from: $79/mo

Where it ranks on Freedom251

Best AI Agent Observability Tools in 2026#10 of 32
Best LLM Gateway Software in 2026#5 of 32
Best LLM Observability Tools in 2026#11 of 26
Best Model Monitoring Software in 2026#11 of 24
Best AI LLM Observability Tools in 2026#9 of 23
Best API Analytics Software in 2026#5 of 16

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Sources

helicone.ai· checked 1 Oct 2026
helicone.ai/about· checked 1 Oct 2026
helicone.ai/blog/self-hosting-launch· checked 1 Oct 2026
helicone.ai/pricing· checked 1 Oct 2026
helicone.ai/changelog/20250323-langgraph-vs-helicon· checked 1 Oct 2026
helicone.ai/blog/joining-mintlify· checked 1 Oct 2026