Comparison
promptfoo vs ragas
Verdict
Pick promptfoo if promptfoo aids in evaluating AI prompts, LLM agents, and RAG systems through declarative config testing with CI/CD support; 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 today
vs
Trust & integrity
| Signal | promptfoo | ragas |
|---|---|---|
| Maintenance | Very active (0d since push) As of 2w · github_public_v1 | Slowing (176d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No lockfile (source not queried) As of 1mo · 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
- Tool for evaluating prompts and AI agents by comparing performance across various models and red teaming.
- ragas
- Supercharge Your LLM Application Evaluations 🚀
Stars
- promptfoo
- 24k
- ragas
- 15k
Forks
- promptfoo
- 2.1k
- ragas
- 1.6k
Open issues
- promptfoo
- 481
- ragas
- 562
Language
- promptfoo
- TypeScript
- ragas
- Python
Adopt for
- promptfoo
- promptfoo aids in evaluating AI prompts, LLM agents, and RAG systems through declarative config testing with CI/CD support.
- 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
- Aug 1, 2026
- ragas
- Feb 24, 2026
Categories
- promptfoo
- Evaluation & Observability, LLM Frameworks
- ragas
- Evaluation & Observability
Trust and health
Maintenance
- promptfoo
- Very active (96%)
- ragas
- Slowing (36%)
Days since push
- promptfoo
- 0d
- ragas
- 176d
Open issues (now)
- promptfoo
- 481
- ragas
- 562
Stars delta
- promptfoo
- Unknown
- ragas
- +470 (30d)
Open issues delta
- promptfoo
- Unknown
- ragas
- +45 (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.
- 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-cd, evaluation-framework, llm-evaluation, pentesting.
- Also covers LLM Frameworks.
- promptfoo ships Docker support for self-hosted deployment.
- For comparing performance across GPT, Claude, Gemini, DeepSeek
When NOT to use promptfoo
- If you do not require comparative analysis among multiple LLM models
- If your project does not benefit from the specific red teaming capabilities offered by promptfoo
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: evaluation, 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 Aug 2, 2026
- GitHub forks (promptfoo/promptfoo) · observed Aug 2, 2026
- Last push (promptfoo/promptfoo) · observed Aug 1, 2026
- License file (MIT) · observed Aug 2, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (vibrantlabsai/ragas) · observed Aug 20, 2026
- GitHub forks (vibrantlabsai/ragas) · observed Aug 20, 2026
- Last push (vibrantlabsai/ragas) · observed Feb 24, 2026
- License file (Apache-2.0) · observed Aug 20, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: promptfoo 24k · ragas 15k (synced Aug 2, 2026).
Common questions
- What is the difference between promptfoo and ragas?
- promptfoo: Tool for evaluating prompts and AI agents by comparing performance across various models and red teaming.. 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; 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-cd, evaluation-framework, llm-evaluation, pentesting; Also covers LLM Frameworks; promptfoo ships Docker support for self-hosted deployment; For comparing performance across GPT, Claude, Gemini, DeepSeek.
- 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: evaluation, 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 do not require comparative analysis among multiple LLM models If your project does not benefit from the specific red teaming capabilities offered by promptfoo
- 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 (23,838 vs 15,388). 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.