- Unlimited users
- 2 prompts or assistants
- 1,000 logs per month
- 30 days data retention
- Public shareable apps
Langtail
0
Langtail offers a comprehensive platform to accelerate and improve your AI development workflow. It provides powerful tools for debugging, testing, and observing AI apps with minimal surprises during production.
Large Language Models (LLMs)
AI Testing
AI Log Management
AI Landing Page Builder
#AI application development
#language model tools
#debugging AI software
#prompt management platforms
#LLM testing
#collaborative AI solutions
#production deployment tools
#AI software reliability
#application prototyping
#AI workflow optimization
...
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What is Langtail?
Langtail is designed to accelerate the development and deployment of AI-powered applications. It offers a suite of tools for debugging, testing, and managing prompts in large language models (LLMs). The platform enables teams to collaborate efficiently, ensuring smooth production deployments. Langtail provides a streamlined workflow for prototyping, deploying, and analyzing AI applications, reducing development time and enhancing the reliability of AI software.
Who will use Langtail?
- AI developers
- Data scientists
- ML engineers
- Tech startups
- AI researchers
- Enterprise development teams
How to use the Langtail?
- Step1: Sign up on the Langtail website.
- Step2: Set up your project and integrate your codebase.
- Step3: Use the debugging tools to iterate and refine your AI models.
- Step4: Run tests to ensure your models perform as expected across various inputs.
- Step5: Collaborate with your team using the platform's collaborative features.
- Step6: Deploy your AI app and observe its performance in production.
Platform
- web
Langtail's Core Features & Benefits
The Core Features
- Prompt debugging
- Comprehensive testing
- Production observation
- Collaborative environment
- Prototyping tools
- CI/CD integration
The Benefits
- Accelerates AI development
- Reduces production surprises
- Improves model reliability
- Enhances team collaboration
- Simplifies prototyping and deployment
Langtail's Main Use Cases & Applications
- LLM prompt management
- AI model debugging
- Collaborative AI development
- Production performance monitoring
- Rapid prototyping and deployment
Langtail's Pros & Cons
The Pros
Low-code, easy-to-use platform accessible to non-developers.
Comprehensive testing capabilities including natural language scoring and pattern matching.
Integration with many major LLM providers.
Built-in security features like AI Firewall to prevent prompt injections and data leaks.
Data-driven insights and analytics for optimizing AI app performance.
Supports team collaboration across product, engineering, and business teams.
Fully typed SDK and OpenAPI support enhances developer experience.
The Cons
Open source status is false, so it is not freely modifiable or self-hostable beyond provided options.
Pricing details require visiting a separate page; not included inline.
No direct mobile app or extension store links found.
Potential complexity for users unfamiliar with testing concepts despite low-code approach.
Langtail's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | |
| Pricing model | Freemium |
| Is credit card required | No |
| Paid from | 99 USD |
| Has lifetime plan | No |
| Billing frequency | Monthly |
Details of Pricing Plan
Free
0 USDPro
99 USD- 1 user
- 20 prompts or assistants
- Unlimited logs
- 90 days data retention
- Public shareable apps
Team
499 USD- 10 users
- Unlimited prompts or assistants
- Unlimited logs
- 1 year data retention
- Public shareable apps
- Radars & Alerts
- Dedicated support
Enterprise
- Unlimited users
- Unlimited prompts or assistants
- Unlimited logs
- Custom data retention
- Public shareable apps
- Radars & Alerts
- AI Firewall
- Dedicated support
- Self hosting
FAQs of Langtail
Langtail Company Information
Analytic of Langtail
Visit Over Time
Monthly Visits
6.2k
Avg Visit Duration
00:00:07
Page Per Visit
1.52
Bounce Rate
44.33%
Feb 2026 - Apr 2026 All Traffic
Geography
Top 5 Regions
United States
23.5%
Germany
22.99%
India
15.05%
France
12.65%
Czech Republic
7.51%
Feb 2026 - Apr 2026 Worldwide Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| langtail | 190 | $ -- |
| lang tail | 120 | $ -- |
| donald trump voice generator | 520 | $ -- |
| sensei promt | 550 | $ -- |
| text to speech trump | 410 | $ -- |
Langtail Reviews
5/5
Langtail's Main Competitors and alternatives?
- Humanloop
- MiGuru AI
- Sama AI
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