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ToolAI Tools & APIsv1.0

Helicone

by Helicone · freemium · Last verified 2026-03-17

Open-source LLM observability platform that acts as a proxy for monitoring API calls. Provides cost tracking, caching, rate limiting, and analytics with a single line of code integration.

https://helicone.ai
C+
C+Average
Adoption: C+Quality: AFreshness: ACitations: C+Engagement: F

Specifications

License
Apache-2.0
Pricing
freemium
Capabilities
request-logging, cost-tracking, caching, rate-limiting, custom-properties
Integrations
openai, anthropic, langchain, litellm
Use Cases
cost-monitoring, request-caching, usage-analytics, rate-limiting
API Available
Yes
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, proxy, cost-tracking, analytics, caching
Added
2026-03-17
Completeness
100%

Index Score

50.5
Adoption
55
Quality
80
Freshness
88
Citations
50
Engagement
0

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