This task can be performed using Langfa.st
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Best product for this task
Langfa.st is a lightweight and flexible prompt testing platform built to accelerate AI feature development. Created by a team with experience scaling AI-powered SaaS products to over 15M users, it eliminates friction in prompt engineering by offering instant access, dynamic Jinja2-based templating, and raw LLM output without API abstractions.
What to expect from an ideal product
- Share prompt links instantly with team members without requiring them to create accounts or go through lengthy setup processes
- Test different prompt variations in real-time while collaborators watch changes and results as they happen
- Use dynamic templates that let teams customize prompts with variables, making it easy to adapt the same prompt for different use cases
- Get direct access to raw AI responses without complicated API layers, so teams can quickly evaluate and iterate on results together
- Build on a platform designed by developers who scaled AI products to millions of users, ensuring reliable collaboration even with larger teams
