Prompt management for product teams

Build, test, and deploy AI prompts collaboratively.

Manage your team's AI workflow from ideation to production.

Think prompt management is a waste of time?

Supermarket AI meal planner suggesting chlorine gas

A meal planner suggests adding dangerous chlorine gas to the meal to make it more delicious. Source

Chevy Dealership’s AI Chatbot Goes Rogue

Chevy dealership's AI chatbot offered $1 car, engaged in off-topic conversations when manipulated by users. Source

Air Canada Held Liable for Chatbot's Misinformation

Airline ordered to compensate customer after AI chatbot gave incorrect advice about bereavement fares. Source

LLM output is unpredictable. Proper prompt management puts you back in control.

Spreadsheet-like interface, but for managing AI prompts.

Easy for everyone If you can use spreadsheets, you can manage prompts with Langtail. No coding required.

Comprehensive prompt control Build, test, and validate prompts with natural language evaluation, pattern matching, or custom code.

Optimize with confidence Experiment with models, parameters, and prompts to find the best combination for your use case.

Data-driven insights Gain valuable insights from your prompt performance and user interactions.

"Before discovering Langtail, developers would hit dead ends for hours — sometimes days. We simply didn't know how to tame the LLM to make it consistent. Using Langtail, we've saved our team hundreds of hours and plenty of headaches." Ondřej Romancov Software Engineer at Deepnote Read the case study

Block AI attacks and unsafe outputs instantly

One-click setup Effortlessly integrate AI Firewall into your app with minimal configuration.

Comprehensive security Prevent prompt injections, DoS attacks, and information leaks.

Advanced safety checks Customize and fine-tune content filtering for your specific needs.

AI alerts Receive instant notifications for potential threats and unusual activities.

Get Langtail up and running. We are here to help.

Simple to use for everyone Not just for developers. Create, test, and manage prompts across product, engineering, and business teams.

Works with all major LLM providers OpenAI, Anthropic, Gemini, Mistral, and many more LLM providers.

Security Self-host for maximum security and data control.

import { Langtail } from 'langtail'

const lt = new Langtail()

const result = await lt.prompts.invoke({
  prompt: 'email-classification',
  variables: {
    email: 'This is a test email',
  },
})

const value = result.choices[0].message.content

Engineering and AI teams Langtail

“Langtail simplifies the development and testing of Deepnote AI, enabling our team to focus on further integrating AI features into our product”

Ready to improve your AI prompt workflow?

Langtail helps product teams build, test, and deploy AI prompts faster, with less manual work. Get beautiful visualizations and powerful prompt management tools built for your entire team.