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Tools/Weave vs Promptfoo
Weave

Weave

observability
vs
Promptfoo

Promptfoo

observability

Weave vs Promptfoo — Comparison

Overview
What each tool does and who it's for

Weave

Track, test, and improve language model apps with W&B Weave

I cannot provide a meaningful summary of user reviews and opinions about the "Weave" software tool based on the provided content. The social mentions you've shared appear to be unrelated political and AI discussion posts from Lemmy/Reddit that don't contain any reviews or mentions of a software product called "Weave." Additionally, no actual user reviews were provided in the reviews section. To give you an accurate summary of what users think about Weave, I would need relevant reviews and social mentions that specifically discuss the software tool and users' experiences with it.

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.

Key Metrics
—
Avg Rating
—
1
Mentions (30d)
1
1,066
GitHub Stars
18,874
151
GitHub Forks
1,622
—
npm Downloads/wk
—
—
PyPI Downloads/mo
—
Community Sentiment
How developers feel about each tool based on mentions and reviews

Weave

0% positive100% neutral0% negative

Promptfoo

0% positive100% neutral0% negative
Pricing

Weave

tiered

Promptfoo

subscription + freemium + tieredFree tier
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 Weave (6)

Manage Consent PreferencesStrictly Necessary CookiesFunctional CookiesTargeting CookiesPerformance CookiesCookie List

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
167
GitHub Repos
20
1,331
GitHub Followers
312
11
npm Packages
20
40
HuggingFace Models
1
—
SO Reputation
—
Pain Points
Top complaints from reviews and social mentions

Weave

API costs (1)spending too much (1)

Promptfoo

No data yet

Product Screenshots

Weave

Weave screenshot 1

Promptfoo

Promptfoo screenshot 1Promptfoo screenshot 2Promptfoo screenshot 3
Company Intel
—
Industry
information technology & services
—
Employees
24
—
Funding
$23.4M
—
Stage
Merger / Acquisition
Supported Languages & Categories

Weave

AI/MLDeveloper Tools

Promptfoo

AI/MLFinTechDevOpsSecurityDeveloper Tools
View Weave Profile View Promptfoo Profile