Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · LLM Evaluation Tools

DeepEval vs Promptfoo

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score DeepEval #1 in LLM Evaluation Tools 9.4/10 Free plan Free plan✓ 6 of 6 features Visit DeepEval
Promptfoo #2 in LLM Evaluation Tools 9.3/10 Free plan Free plan✓ 5 of 6 features Visit Promptfoo

DeepEval leads on 0 checks, Promptfoo on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDeepEval · 9.4/10
  • Free planboth
  • Most featuresDeepEval · 6 of 6

DeepEval scores higher on our rubric for llm evaluation tools: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

DeepEval is the better fit for teams wanting broad open-source LLM evaluation. Promptfoo is the better fit for teams needing evaluation plus red teaming.

  • DeepEval fits best

    Teams wanting broad open-source LLM evaluation

  • Promptfoo fits best

    Teams needing evaluation plus red teaming

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature DeepEval 9.4/10 Visit ↗ Promptfoo 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in LLM Evaluation Tools #2 in LLM Evaluation Tools
Best for Teams wanting broad open-source LLM evaluation Teams needing evaluation plus red teaming
Pricing model Free Free plan + paid
Starting price Free —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Windows, macOS, Linux Web
Support Community, Docs · 24/7 Community, Docs
Compliance SOC 2, GDPR, HIPAA, SSO/SAML SOC 2, ISO 27001
Integrations 8 integrations 12 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features DeepEval 6/6 · Promptfoo 5/6
Custom metrics ✓ ✓
LLM-as-a-judge ✓ ✓
Safety evaluations ✓ ✓
Human review workflows ✓ ✓
Prompt versioning ✓ (best) Not checked yet
CI/CD integration ✓ ✓
Specs
Deployment options Both Both
Our review
Pros
  • 50+ ready-to-use metrics plus custom evaluation criteria
  • Supports safety, tracing, synthetic data, prompts, and CI/CD
  • Integrates with OpenAI, LangChain, CrewAI, LlamaIndex, and more
  • Evaluates prompts, models, and RAG pipelines with custom assertions
  • Combines red teaming, vulnerability scanning, and safety evaluations
  • Supports local, self-hosted, cloud, API, and CI/CD workflows
Cons
  • Advanced collaboration features require the optional cloud platform
  • No-code workflows and live-traffic evaluations start with Starter
  • Enterprise controls such as HIPAA and on-premises deployment are tiered
  • Enterprise and On-Premise pricing is custom
  • Advanced collaboration and monitoring features require paid tiers
  • Its broad scope may exceed the needs of teams seeking only prompt comparison
Our verdict

DeepEval is an open-source framework for evaluating LLM applications locally in Python and TypeScript. It covers end-to-end, trajectory-based, and component-level evaluations for agents, RAG pipelines, chatbots, MCP systems, and other…

Read the review →

Promptfoo is an open-source CLI and library for evaluating, testing, and red-teaming large-language-model applications. It is designed for developers and teams building AI applications that need to benchmark prompts, models, or RAG…

Read the review →
  1. DeepEvalLLM Evaluation Tools 9.4Free plan
  2. PromptfooLLM Evaluation Tools 9.3Free plan

Strengths and trade-offs

  • DeepEval — where it wins

    • 50+ ready-to-use metrics plus custom evaluation criteria
    • Supports safety, tracing, synthetic data, prompts, and CI/CD
    • Integrates with OpenAI, LangChain, CrewAI, LlamaIndex, and more

    Where it doesn't

    • Advanced collaboration features require the optional cloud platform
    • No-code workflows and live-traffic evaluations start with Starter
    • Enterprise controls such as HIPAA and on-premises deployment are tiered

  • Promptfoo — where it wins

    • Evaluates prompts, models, and RAG pipelines with custom assertions
    • Combines red teaming, vulnerability scanning, and safety evaluations
    • Supports local, self-hosted, cloud, API, and CI/CD workflows

    Where it doesn't

    • Enterprise and On-Premise pricing is custom
    • Advanced collaboration and monitoring features require paid tiers
    • Its broad scope may exceed the needs of teams seeking only prompt comparison

More comparisons

All LLM evaluation tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update