Langtail is a low-code platform that enables teams to test and debug LLM-powered applications using real-world data, ensuring prompt reliability and performance. By providing tools for prompt collaboration, testing, and analytics, Langtail reduces the time spent on manual debugging and enhances the overall quality of AI applications.
Funding
$1M raised to dateRaised to date based on public sources. This may differ from the amount the company actually raised and is based only on what is publicly available on the internet.
Founders
Product
Problem
Developing reliable Large Language Model (LLM)-powered applications is challenging due to the unpredictable nature of LLM outputs. Debugging and refining prompts often require significant manual effort, leading to wasted time and inconsistent application behavior. Identifying and preventing unsafe outputs, prompt injections, and other vulnerabilities further complicates the development process.
Solution
Langtail is a low-code platform designed to streamline the testing and debugging of LLM applications using real-world data. The platform provides a spreadsheet-like interface for creating and managing test cases, allowing teams to comprehensively evaluate prompt performance and identify potential issues. Langtail enables users to experiment with different models, parameters, and prompts to optimize application behavior and ensure consistent results. The platform also offers built-in AI firewall capabilities to block AI attacks and unsafe outputs, providing comprehensive security for LLM applications.
Target Audience
Langtail is designed for engineering and AI teams building LLM-powered applications who need a comprehensive platform for testing, debugging, and securing their applications.
Features
- Spreadsheet-like interface for easy test case creation and management
- Comprehensive testing capabilities with natural language scoring, pattern matching, and custom code
- AI Firewall to prevent prompt injections, DoS attacks, and information leaks
- Integration with major LLM providers, including OpenAI, Anthropic, Gemini, and Mistral
- TypeScript SDK and OpenAPI for seamless integration into existing workflows
- Real-time alerts for potential threats and unusual activities
- Self-hosting option for maximum security and data control