Skip to main content
Tgtoolglade.
Side-by-side
Browse all comparisons →

Opik vs Helicone

OpikHelicone

Bottom line: Opik for teams wanting open-source eval plus tracing; Helicone for teams wanting simple, cheap LLM logging.

OpikOpik

Open-source LLM evaluation, tracing, and observability by Comet.

Visit
HeliconeHelicone

Open-source LLM observability and AI gateway in one line of code.

Visit
Votes00
PricingFreemiumFreemium
CategoryCodingCoding
Tags
llm-evaluationobservabilityopen-sourcetracingmonitoring
llm-observabilityai-gatewayopen-sourcemonitoringcaching
Best for
  • Teams wanting open-source eval plus tracing
  • LLM engineers doing eval-driven development
  • Organizations that value self-hostability
  • Teams wanting simple, cheap LLM logging
  • Developers self-hosting an open-source gateway
  • Cost and usage monitoring across providers
Pros
  • Full platform is Apache-2.0 and free to self-host
  • Combines tracing and evaluation in one tool
  • LLM-as-a-judge and many automated metrics
  • Fast-growing, widely adopted open-source project
  • Integrates with Comet's ML ecosystem
  • Extremely easy integration via a one-line base-URL swap
  • Open source under Apache 2.0 and free to self-host
  • Tiny Docker image that runs almost anywhere
  • Gateway features like caching, failover, and rate limiting cut cost and improve reliability
  • Generous free tier of 10,000 requests per month
Cons
  • Crowded, competitive category
  • Self-hosting requires running infrastructure
  • Managed cloud limits (spans, seats) on lower tiers
  • Evaluation quality depends on judge configuration
  • Deep value tied to adopting the workflow
  • Product is in maintenance mode after the Mintlify acquisition, with no roadmap
  • Long-term hosted-service viability is uncertain and migration may be needed
  • Usage-based overages mean the Pro price is a floor, not a cap
  • Short retention on lower tiers (7 days free, 30 days Pro)
  • Large price jump from Pro to Team for compliance features

Comparison generated from each tool's listing. Add or remove tools above to change it.