Comparison
promptfoo vs ragas
Verdict
Pick promptfoo if promptfoo is a TypeScript-based tool for evaluating and testing prompts, AI agents, and retrieval-augmented generation systems. It supports red teaming and vulnerability scanning for AI models, with CI/CD integration; pick ragas if ragas is a Python-based tool designed to enhance the evaluation process of Large Language Model (LLM) applications through specialized workflows and performance insights.
Markdown twin · promptfoo alternatives · ragas alternatives
GraphCanon updated Sep 20, 2026
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Trust & integrity
| Signal | promptfoo | ragas |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Slowing (207d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Sep 18, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- promptfoo
- Test prompts, agents, and RAGs. Compare performance of various LLMs.
- ragas
- Supercharge Your LLM Application Evaluations 🚀
Stars
- promptfoo
- 25k
- ragas
- 16k
Forks
- promptfoo
- 2.3k
- ragas
- 1.7k
Open issues
- promptfoo
- 631
- ragas
- 601
Language
- promptfoo
- TypeScript
- ragas
- Python
Adopt for
- promptfoo
- Promptfoo is a TypeScript-based tool for evaluating and testing prompts, AI agents, and retrieval-augmented generation systems. It supports red teaming and vulnerability scanning for AI models, with CI/CD integration.
- ragas
- Ragas is a Python-based tool designed to enhance the evaluation process of Large Language Model (LLM) applications through specialized workflows and performance insights.
Persona
- promptfoo
- -
- ragas
- developer harness
Runtime
- promptfoo
- -
- ragas
- -
License
- promptfoo
- MIT
- ragas
- Apache-2.0
Last pushed
- promptfoo
- Sep 18, 2026
- ragas
- Feb 24, 2026
Categories
- promptfoo
- Evaluation & Observability
- ragas
- Evaluation & Observability
Trust and health
Maintenance
- promptfoo
- Very active (96%)
- ragas
- Slowing (36%)
Days since push
- promptfoo
- 0d
- ragas
- 207d
Open issues (now)
- promptfoo
- 631
- ragas
- 601
Stars delta
- promptfoo
- +1.4k (30d)
- ragas
- +395 (30d)
Open issues delta
- promptfoo
- +150 (30d)
- ragas
- +39 (30d)
Full report
- promptfoo
- Trust report
- ragas
- Trust report
Typed relationship
promptfoo alternative ragasBoth PromptFoo and RAGAS aim at evaluating LLM applications, suggesting they could be alternatives to each other as they solve similar problems but likely in different ways.
Shared compatibility
- Python · promptfoo: Python runtime · ragas: Python runtime
Choose promptfoo if…
- promptfoo is primarily TypeScript; ragas is Python.
- License: promptfoo is MIT, ragas is Apache-2.0.
- Requirements: Requires Node.js >=22.22.0, with Node.js 24 LTS recommended.; API keys for most LLM providers are required and should be set as environment variables..
- Both PromptFoo and RAGAS aim at evaluating LLM applications, suggesting they could be alternatives to each other as they solve similar problems but likely in different ways.
- Tags unique to promptfoo: ci, ci-cd, cicd, evaluation-framework.
- promptfoo ships Docker support for self-hosted deployment.
- When you need to compare the performance of various LLMs such as GPT, Claude, Gemini, DeepSeek, and more.
When NOT to use promptfoo
- If you are working with languages other than TypeScript, as Promptfoo is specifically designed for TypeScript environments.
- When you do not need to compare multiple LLMs and only require a simple prompt testing tool without advanced features like red teaming.
Choose ragas if…
- ragas is primarily Python; promptfoo is TypeScript.
- License: ragas is Apache-2.0, promptfoo is MIT.
- Requirements: Min 4 GB RAM.
- Both PromptFoo and RAGAS aim at evaluating LLM applications, suggesting they could be alternatives to each other as they solve similar problems but likely in different ways.
- Tags unique to ragas: llm, llmops.
- When you need advanced tools tailored for evaluating LLM applications, as RAGAS offers specific optimizations not found in generic testing frameworks.
When NOT to use ragas
- If your application does not involve Large Language Models or if the evaluation needs are basic; RAGAS is optimized for LLM-specific evaluations which may be overkill for simpler systems.
- For projects that require real-time monitoring or continuous testing of live models where more dynamic observability tools might offer better support.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (promptfoo/promptfoo) · observed Sep 20, 2026
- GitHub forks (promptfoo/promptfoo) · observed Sep 20, 2026
- Last push (promptfoo/promptfoo) · observed Sep 18, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (vibrantlabsai/ragas) · observed Sep 20, 2026
- GitHub forks (vibrantlabsai/ragas) · observed Sep 20, 2026
- Last push (vibrantlabsai/ragas) · observed Feb 24, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: promptfoo 25k · ragas 16k (synced Sep 20, 2026).
Common questions
- What is the difference between promptfoo and ragas?
- promptfoo: Test prompts, agents, and RAGs. Compare performance of various LLMs.. ragas: Supercharge Your LLM Application Evaluations 🚀. See the comparison table for live GitHub stats and shared categories.
- When should I choose promptfoo over ragas?
- Choose promptfoo over ragas when promptfoo is primarily TypeScript; ragas is Python; License: promptfoo is MIT, ragas is Apache-2.0; Requirements: Requires Node.js >=22.22.0, with Node.js 24 LTS recommended.; API keys for most LLM providers are required and should be set as environment variables.; Both PromptFoo and RAGAS aim at evaluating LLM applications, suggesting they could be alternatives to each other as they solve similar problems but likely in different ways; Tags unique to promptfoo: ci, ci-cd, cicd, evaluation-framework; promptfoo ships Docker support for self-hosted deployment; When you need to compare the performance of various LLMs such as GPT, Claude, Gemini, DeepSeek, and more.
- When should I choose ragas over promptfoo?
- Choose ragas over promptfoo when ragas is primarily Python; promptfoo is TypeScript; License: ragas is Apache-2.0, promptfoo is MIT; Requirements: Min 4 GB RAM; Both PromptFoo and RAGAS aim at evaluating LLM applications, suggesting they could be alternatives to each other as they solve similar problems but likely in different ways; Tags unique to ragas: llm, llmops; When you need advanced tools tailored for evaluating LLM applications, as RAGAS offers specific optimizations not found in generic testing frameworks.
- When should I avoid promptfoo?
- If you are working with languages other than TypeScript, as Promptfoo is specifically designed for TypeScript environments. When you do not need to compare multiple LLMs and only require a simple prompt testing tool without advanced features like red teaming.
- When should I avoid ragas?
- If your application does not involve Large Language Models or if the evaluation needs are basic; RAGAS is optimized for LLM-specific evaluations which may be overkill for simpler systems. For projects that require real-time monitoring or continuous testing of live models where more dynamic observability tools might offer better support.
- Is promptfoo or ragas more popular on GitHub?
- promptfoo has more GitHub stars (25,251 vs 15,783). Stars measure visibility, not whether either tool fits your constraints.
- Are promptfoo and ragas open source?
- Yes - both are open-source projects on GitHub (promptfoo: MIT, ragas: Apache-2.0).
- Where can I find alternatives to promptfoo or ragas?
- GraphCanon lists graph-backed alternatives at promptfoo alternatives and ragas alternatives (promptfoo markdown twin, ragas markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, promptfoo or ragas?
- promptfoo: Very active. ragas: Slowing. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for promptfoo and ragas?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: promptfoo trust report; ragas trust report.