Promptfoo vs Opik — Features, Pricing & Reviews Compared

Promptfoo

observability

Opik

observability

Overview

What each tool does and who it's for

Promptfoo

The AI Security Platform that catches vulnerabilities in development. Trusted by 127 of the Fortune 500 and 300,000+ developers worldwide.

Based on the limited social mentions available, users view Promptfoo as a comprehensive open-source tool that combines LLM performance evaluation and security red-teaming capabilities in a single CLI interface. The tool appears to have gained significant credibility after being acquired by OpenAI in March 2026, which users seem to view as validation of its effectiveness. There's notable interest from the developer community, particularly in Korean markets, suggesting it's gaining traction among AI practitioners. However, with only social mentions and no detailed user reviews available, it's difficult to assess specific user complaints or detailed pricing sentiment.

Opik

Key Metrics

—

Avg Rating

—

Mentions (30d)

18,874

GitHub Stars

18,555

1,622

GitHub Forks

1,413

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npm Downloads/wk

—

PyPI Downloads/mo

—

Community Sentiment

How developers feel about each tool based on mentions and reviews

Promptfoo

0% positive100% neutral0% negative

Opik

0% positive100% neutral0% negative

Pricing

Promptfoo

subscription + freemium + tieredFree tier

Opik

Use Cases

When to use each tool

Promptfoo (6)

Integrate AnywhereCI/CD pipelinesGitHub, GitLab, Jenkins, and moreMCP and Agent frameworksOn-premise or cloudTest Everything

Features

Only in Promptfoo (10)

Direct and indirect prompt injectionsJailbreaks tailored to your guardrailsData and PII leaksBusiness rule violationsInsecure tool use in agentsToxic content generationCI/CD pipelinesGitHub, GitLab, Jenkins, and moreMCP and Agent frameworksOn-premise or cloud

Developer Ecosystem

GitHub Repos

312

GitHub Followers

666

npm Packages

HuggingFace Models

—

SO Reputation

—

Product Screenshots

Promptfoo

Opik

No screenshots

Company Intel

information technology & services

Industry

information technology & services

Employees

110

$23.4M

Funding

$74.8M

Merger / Acquisition

Stage

Series B

Supported Languages & Categories

Promptfoo

AI/MLFinTechDevOpsSecurityDeveloper Tools

Opik

View Promptfoo Profile View Opik Profile

Promptfoo

Opik

Promptfoo vs Opik — Comparison

Promptfoo

Opik

Promptfoo vs Opik — Comparison