Ragas
llm-observability
Open-source evaluation toolkit for RAG and LLM applications.
Pricing
Free
Rating
—
Votes
0
Head-to-head comparison
Ragas vs Helicone
Compare Ragas and Helicone side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
Helicone
llm-observability
Open-source LLM observability and AI gateway in one line of code.
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Ragas
Helicone
Category
llm-observability
llm-observability
Pricing
Free
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Ragas pros and cons
Focused, research-backed RAG metrics
Free and open source
Reduces need for manual labeling via LLM scoring
Synthetic test-set generation
LLM-as-a-judge scores need validation
Mainly a library; you build dashboards/infra
Judge model choice affects reliability and cost
Helicone pros and cons
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
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
Which one should you choose?
Best overall signal
Helicone
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Ragas
Selected using free-plan availability and engagement signals.
Best for
Ragas
- RAG evaluation
- faithfulness scoring
- synthetic test-set generation
- CI/CD eval integration
- Teams evaluating RAG pipelines
Helicone
- quick LLM request logging
- self-hosted observability
- gateway caching and failover
- cost and usage monitoring
- Teams wanting simple, cheap LLM logging
FAQ
Is Ragas better than Helicone?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Ragas and Helicone offer a free plan based on current Toolglade data.