ProofHound vs PromptMetrics

ProofHound8.9Visit PPromptMetrics8.8Visit

Higher score ProofHound #6 in Prompt Management Software 8.9/10 Free plan Free plan✓ 5 of 6 features Visit ProofHound

vs

P PromptMetrics #7 in Prompt Management Software 8.8/10 Open source ✓ 5 of 6 features Visit PromptMetrics

• ProofHound fits best

  Open-source prompt experimentation and releases

• PromptMetrics fits best

  Open-source teams with Git-centered workflows

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Side by side

Feature	ProofHound 8.9/10 Visit ↗	PPromptMetrics 8.8/10 Visit ↗
At a glance
Editor score	8.9	8.8
Ranking	#6 in Prompt Management Software	#7 in Prompt Management Software
Best for	Open-source prompt experimentation and releases	Open-source teams with Git-centered workflows
Pricing model	Free plan + paid	Free
Starting price	—	Open source
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Platforms	Web	Web
Support	Email, Community, Docs	Docs, Community
Integrations	13 integrations	10 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features ProofHound 5/6 · PromptMetrics 5/6
Prompt versioning	✓	✓
Prompt testing	✓	✓
Prompt templates	✓	✓
Approval workflows	Not checked yet	Not checked yet
Access controls	✓	✓
API or SDK access	✓	✓
Specs
Model provider support	Multi-provider	Multi-provider
Our review
Pros	Self-hosted deployment with full core capabilities and private data storage Regression metrics include accuracy, precision, recall, F1, and per-class results Supports batch experiments, canary releases, A/B testing, and rollbacks	Git-backed version history supports branching and rollback Evaluations, A/B testing, traces, and metadata logging in one system REST API, CLI, and Node.js and Python SDK access
Cons	The Free plan is limited to 3 projects and 1 member Free organizations get 3 concurrent LLM calls and 5GB retained storage Hosted Pro is advertised as coming soon rather than currently available	Self-hosted deployment requires teams to manage the environment The web dashboard is optional rather than the core experience Its broad feature set may exceed the needs of simple prompt libraries
Our verdict	ProofHound is an open-source and hosted platform for managing prompts used in LLM classification workflows. It is designed for developers and operational teams handling risk control, financial review, content moderation, customer-service… Read the review →	PromptMetrics is a self-hosted prompt registry for teams developing and operating LLM applications. It is designed for open-source teams that want Git-centered prompt workflows alongside evaluation, observability, and compliance… Read the review →

Strengths and trade-offs

• ProofHound — where it wins

  • Self-hosted deployment with full core capabilities and private data storage
  • Regression metrics include accuracy, precision, recall, F1, and per-class results
  • Supports batch experiments, canary releases, A/B testing, and rollbacks

  Where it doesn't

  • The Free plan is limited to 3 projects and 1 member
  • Free organizations get 3 concurrent LLM calls and 5GB retained storage
  • Hosted Pro is advertised as coming soon rather than currently available

• PromptMetrics — where it wins

  • Git-backed version history supports branching and rollback
  • Evaluations, A/B testing, traces, and metadata logging in one system
  • REST API, CLI, and Node.js and Python SDK access

  Where it doesn't

  • Self-hosted deployment requires teams to manage the environment
  • The web dashboard is optional rather than the core experience
  • Its broad feature set may exceed the needs of simple prompt libraries

• ProofHound8.9/10 · Free plan

  Open-source prompt versioning, testing, experimentation, and release control for classification teams.

  Visit ProofHoundFull verdict →
• PPromptMetrics8.8/10 · Open source

  A Git-centered prompt operations layer for teams managing LLM development and observability.

  Visit PromptMetricsFull verdict →