Helicone
Open-source LLM observability — 10K free requests, OpenAI/Anthropic/Together drop-in proxy
Overall score
About
Helicone is open-source LLM observability — drop in a proxy URL on your OpenAI/Anthropic SDK and get full request logs, cost tracking, prompt management, evals, and a query language for your traffic. Self-host the OSS edition for free or use the cloud tier. Most builders pick Helicone as their first observability tool because the integration is genuinely 1-line.
Best for: Solo and SMB builders who need basic LLM observability without enterprise pricing — the Hobby tier covers 10K requests free, Pro at $79/mo unlocks unlimited seats and HQL. Self-host for free if data residency is the constraint.
Pricing
| Tier | Monthly | Annual /mo | Billing | Notes |
|---|---|---|---|---|
| Hobby | Free | Free | flat | 10,000 free requests/mo;1 GB storage;1 seat;1 organization;Community support · Free forever. Enough for most POCs and side projects. |
| Pro | $79 | $79 | flat | Everything in Hobby;Unlimited seats;Alerts and reports;HQL (Helicone Query Language);Usage-based pricing applies;7-day free trial · Most popular tier per Helicone's pricing page. |
| Team | $799 | $799 | flat | Everything in Pro;5 organizations;SOC 2 Type II;HIPAA;Dedicated Slack channel;Usage-based pricing applies;7-day free trial · Compliance gate — SOC 2 and HIPAA require this tier. |
| Enterprise | — | — | flat | Everything in Team;Custom MSA;SAML SSO;On-prem deployment;Bulk cloud discounts · Contact sales. |
Key features
- Drop-in proxy for OpenAI, Anthropic, Azure, LiteLLM, Anyscale, Together AI, OpenRouter
- 10,000 free requests on Hobby
- Helicone Query Language (HQL) for traffic analysis
- Open-source self-hostable edition
- Alerts and reports
- SOC 2 Type II and HIPAA on Team tier
- 50% off first year for startups under 2 years and <$5M funding
- 100% off for students and $100 OSS credit
Integrations
Trust & compliance
- Stage range
- —
- Founded
- —
- Status
- active
- SOC 2
- enterprise_only
- GDPR
- unknown
- Data residency
- unknown
- External rating
- —
- Last verified
- May 2026
Reviews
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