kitio.aiRagas vs Remyx
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Ragas is completely free, while Remyx is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- RAG quality metrics
- Agent evaluation
- Synthetic test generation
- Framework integrations
- CI-friendly runs
- PR-based evaluations
- Research-driven draft PRs
- Cost reports per run
- Decision history
- CLI, API and MCP server
| Feature | Ragas | Remyx |
|---|---|---|
| Best for | Open-source metrics and test data for evaluating RAG and agents | Tests proposed changes to AI systems and reports results on the PR |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Vibrant Labs | Remyx AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Ragas is completely free, while Remyx is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
2 plans
Outrider
Free
- Open-source GitHub Action
- Daily paper digest
- Draft PRs for review
Validate
Credit top-ups from $10
- First validation free
- Pay for compute and model calls
- Receipt on each PR
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Ragas
- Free and widely used
- Research-backed metrics
- Generates test data
- LLM-judge metrics cost tokens
- API changes between versions
- No hosted dashboard included
Remyx
- First validation free per installation
- Outrider is open source and free
- Works on PRs however they were written
- Compute and model calls are billed as usage
- Outrider needs your own model API key
- Aimed at ML teams, not general users
Which one should you choose?
Choose Ragas if you want:
- Free and widely used
- Research-backed metrics
- Generates test data
Watch out: llm-judge metrics cost tokens.
Choose Remyx if you want:
- First validation free per installation
- Outrider is open source and free
- Works on PRs however they were written
Watch out: compute and model calls are billed as usage.
Ragas vs Remyx FAQ
What is the difference between Ragas and Remyx?
Ragas: Open-source metrics and test data for evaluating RAG and agents. Remyx: Tests proposed changes to AI systems and reports results on the PR. Both are models & apis tools.
Is Ragas or Remyx cheaper?
Ragas is completely free, while Remyx is freemium.
Do Ragas and Remyx have free plans?
Ragas: Yes, fully free. Remyx: Yes.
Who makes Ragas?
Ragas is made by Vibrant Labs.
Who makes Remyx?
Remyx is made by Remyx AI.
Which should I choose, Ragas or Remyx?
Choose Ragas if you value free and widely used and research-backed metrics. Choose Remyx if you value first validation free per installation and outrider is open source and free.