tool listing

Helicone

Sits in front of LLM calls as a proxy or async logger, turning cost, latency and prompt history into a searchable record.

Site
www.helicone.ai
Category
observability
Pricing
free, open source (Apache-2.0) to self-host; hosted cloud has a free tier, then flat-rate plans plus usage-based overage
Last verified
Wiki entry
Helicone