Helicone
by Helicone · open-source · Last verified 2026-04-24
Helicone is an open-source LLM observability proxy that sits in front of any OpenAI-compatible API to provide real-time cost tracking, latency monitoring, request logging, prompt versioning, and user-level analytics. Its zero-latency architecture adds minimal overhead while capturing full request-response traces for debugging and optimization.
https://helicone.ai ↗C
C—Below Average
Adoption: C+Quality: B+Freshness: ACitations: CEngagement: F
Specifications
- License
- Open Source
- Pricing
- open-source
- Capabilities
- Integrations
- Use Cases
- API Available
- No
- SDK Languages
- python, typescript
- Deployment
- cloud, self-hosted
- Rate Limits
- Free tier: 100K requests/month; paid plans scale
- Data Privacy
- SOC 2 Type II; self-hosted option; GDPR compliant
- Tags
- observability, open-source, cost-tracking, logging, analytics
- Added
- 2026-04-24
- Completeness
- 60%
Index Score
44Adoption
50
Quality
70
Freshness
80
Citations
40
Engagement
0