Helicone vs Zep

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Helicone compared with Zep
Detail	Helicone	Zep
What it does	AI Gateway & LLM Observability	The unified context layer for enterprise data
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Not given	Free plan: 10,000 credits per month. Flex plan: $125/month with 50,000 credits included, then $25 per 10,000 credits. Flex Plus: $375/month with 200,000 credits included, then $75 per 40,000 credits. Enterprise: custom credits with negotiated rates. Credits consumed based on Episode size: 1 credit p
Key features	Request routing across multiple LLM providers Real-time monitoring and analytics dashboard Prompt management and playground Rate limiting and alerts Automatic fallbacks for LLM requests Response caching User tracking and sessions HQL query language Webhooks integration Data export capabilities	Sub-200ms context retrieval at scale Temporal context graphs with point-in-time queries
What makes it different	Works with multiple LLM providers unlike competitors focused on single ecosystems Open-source platform More cost-effective scaling than competitors Simple integration with single line of code	Reduces token use by up to 90% compared to traditional retrieval Temporal context graphs that track how business information changes over time Enterprise-scale Context Lake supporting millions of graphs
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	75 +1 (up) since last check	70 +1 (up) since last check
Trust Flow (Majestic)	26	16
Citation Flow (Majestic)	46	44
Referring domains (Majestic)	2986	2072

4 details filled in for both companies.

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