Langtail
vs
promptfoo
Langtail
Langtail provides a sophisticated yet user-friendly platform for testing and debugging AI-powered applications. With its spreadsheet-like interface, the platform enables teams to validate LLM outputs, prevent unsafe responses, and optimize prompt performance through comprehensive testing capabilities.
The platform features advanced security measures, including AI Firewall protection against prompt injections and DoS attacks, while supporting integration with major LLM providers like OpenAI, Anthropic, Gemini, and Mistral. Teams can leverage data-driven insights, custom content filtering, and collaborative tools to ensure consistent and safe AI responses.
promptfoo
promptfoo is an open-source tool trusted by over 51,000 developers for testing and securing large language model (LLM) applications. It provides automated red teaming, vulnerability scanning, and continuous monitoring to detect security, legal, and brand risks. The tool dynamically adapts to your application, uncovering issues like PII leaks, insecure tool use, and harmful content.
Built for developers, promptfoo offers a command-line interface, live reloads, and caching, ensuring a seamless experience without cloud dependencies or logins. Its battle-tested open-source framework is supported by an active community, making it a reliable choice for teams serving millions of users.
Langtail
Pricing
promptfoo
Pricing
Langtail
Features
- Spreadsheet Interface: Easy-to-use testing environment for LLM apps
- Comprehensive Testing: Score tests with natural language, pattern matching, or custom code
- AI Firewall: Protection against prompt injections and DoS attacks
- Multi-Provider Support: Integration with OpenAI, Anthropic, Gemini, and Mistral
- Security Controls: Customizable content filtering and threat detection
- Analytics Dashboard: Data-driven insights from test results
- Team Collaboration: Tools for product, engineering, and business teams
- TypeScript SDK: Fully typed SDK with built-in code completion
promptfoo
Features
- Automated Red Teaming: Dynamically adapts to detect security, legal, and brand risks.
- Vulnerability Scanning: Identifies issues like PII leaks, insecure tool use, and harmful content.
- Continuous Monitoring: Provides real-time alerts and automated evaluations for LLM security.
- Developer-Friendly CLI: Command-line interface with live reloads and caching for seamless use.
- Open-Source Framework: Supported by an active community and used by teams serving millions of users.
Langtail
Use cases
- LLM output validation
- Prompt optimization
- Security testing for AI applications
- Team collaboration on AI development
- AI response consistency checking
- Prompt debugging and refinement
- AI system security monitoring
promptfoo
Use cases
- Securing LLM applications against vulnerabilities
- Automated red teaming for detecting security risks
- Continuous monitoring of LLM performance and compliance
- Evaluating LLM outputs for harmful or insecure content
- Testing LLM integrations for legal and brand risks
Langtail
FAQs
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Can I try Langtail for free?
Yes, Langtail offers a free plan that includes unlimited users, 2 prompts or assistants, and 1,000 logs per month with 30 days data retention.What LLM providers does Langtail support?
Langtail supports major LLM providers including OpenAI, Anthropic, Google Gemini, Mistral, and others.Is self-hosting available?
Yes, self-hosting is available as part of the Enterprise plan for maximum security and data control.
promptfoo
FAQs
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What is included in the Community version?
The Community version includes all core features for local testing, evaluation, and vulnerability scanning.Who needs the Enterprise version?
Larger teams and organizations that want to continuously monitor risk in development and production.How does Enterprise pricing work?
Enterprise pricing is customized based on your team's size and needs. Contact promptfoo for a personalized quote.Can I upgrade from Community to Enterprise?
Yes, you can easily upgrade to Enterprise at any time to access additional features and support.
Langtail
Uptime Monitor
Average Uptime
100%
Average Response Time
236.64 ms
Last 30 Days
promptfoo
Uptime Monitor
Average Uptime
100%
Average Response Time
153.75 ms
Last 30 Days
Langtail
promptfoo
