Langtail
✓ verified, sync 2026-08-20Langtail is a low-code platform for testing AI applications, focusing on LLM testing. Control unpredictable LLM outputs with Langtail's testing tools, which let you score tests usi….
What it does.
Langtail is a low-code platform for testing AI applications, focusing on LLM testing. Control unpredictable LLM outputs with Langtail's testing tools, which let you score tests using natural language, pattern matching, or custom code. Optimize your AI models by experimenting with different parameters and prompts, using insights from detailed analytics. Integrate Langtail with a user-friendly, spreadsheet-like interface. Enhance your AI app's security with AI Firewall to prevent prompt injections and information leaks. Streamline your AI development and testing process with Langtail. Try it for free today.
Features
- LLM Testing
- AI Firewall
- Prompt Management
- Collaboration Tools
- Data-driven Insights
- Debug Prompts: Quickly refine and optimize LLM performance with support for variables, functions, and more.
- Testing Suite: Run tests to ensure app stability and prevent surprises when updating models.
- Deployment Options: Deploy prompts as API endpoints across multiple environments, such as preview, staging, and production.