PromptFix
    PromptFix
    AI Output Reliability Platform

    AI outputs
    you can actually trust.

    Paste a prompt — get it fixed, scored, and running on the best model in under 60 seconds.

    No credit card · Free plan forever · 60s to first score

    60s
    To First Score
    300+
    Templates
    0–100
    Reliability Score
    4+
    AI Models
    Everything you need

    The Complete AI Output
    Reliability Platform

    Score, verify, version, and improve your prompts for consistent, reliable AI outputs every time.

    Core

    Reliability Scoring

    Score prompts 0–100 for output reliability, hallucination risk, and constraint coverage. Actionable fixes included.

    82/100

    Sample reliability score

    Analyze & Fix

    AI-powered prompt improvement with actionable fixes and optimized variants.

    Add output format constraint
    Specify target audience
    Remove ambiguous instruction
    New

    A/B Testing

    Compare prompt variants side-by-side to find the most reliable version.

    New

    Preference Profiles

    Save tone, brand rules, and always-include settings per project.

    Prompt Versioning

    Save versions, compare scores over time, keep best-performing prompts.

    New

    Team Collaboration

    Share prompts and profiles with your team.

    New

    REST API

    Programmatic access with API key authentication.

    Chrome Extension

    Improve prompts in ChatGPT, Claude, Gemini & more.

    300+ Templates

    Pre-built prompts for every use case. 25 free to start.

    Pro

    Reverse Prompt

    Upload images to generate prompts that recreate them.

    Pro

    Model Comparison

    Compare GPT, Claude & more with auto-scoring.

    New

    Games Hub

    Spin the wheel, blitz through quizzes, tackle boss challenges, and battle friends — all prompt-engineering themed.

    Certified Professional

    Earn the verifiable PromptFix Certified Professional credential. Share on LinkedIn or link from your portfolio.

    Mobile App

    Add PromptFix to your home screen — works on iPhone & Android.

    Get the app

    Chrome Extension

    New

    Improve prompts directly in ChatGPT, Claude, Gemini & Perplexity

    Simple pricing

    Start free, scale as
    you grow

    No hidden fees. Cancel anytime. Enterprise plans available on request.

    Free

    For individuals just getting started

    $0/mo
    • 15 analyses/month
    • 25 templates
    • 1 preference profile
    • Basic tutorials

    Starter

    For creators who need more power

    $9/mo
    • 100 analyses/month
    • All 300+ templates
    • 5 profiles
    • A/B testing
    • 3 model comparison

    Need a custom plan? Contact us for Enterprise

    Built for prompt engineers, developers & AI teams

    Make every prompt
    reliable

    Start for free. No credit card required. Upgrade when you're ready.