PromptFix ✓

PromptFix 2.0 — From Prompt Scorer to Full AI Output Reliability Platform

When we last posted here, PromptFix was a prompt scorer with a browser extension. Version 2.0 is a different product. It's now one of the most complete AI output reliability platforms available — a place to write, score, improve, run, compare, and learn prompt engineering without ever leaving the tab you're already in.

Here's everything that's changed.

Studio: write it, score it, run it — in one surface

Most prompt tools help you write a prompt, then hand you a "copy" button and send you off to ChatGPT. Studio closes that loop. Paste a task, and PromptFix scores it for reliability, suggests a stronger version, auto-routes it to the model best suited to the job, and streams the answer back — all in one place.

Three modes: Fix (improve the prompt), Run (execute it), and Compare (run the same prompt across models side by side with auto-scoring). Under the hood it's wired to the current OpenAI GPT-5.4 family, Claude Sonnet 4.5 and Opus 4.5, and Google Gemini — all three migrated to their latest generations this summer.

Projects sit on top of Studio as persistent context containers. Save your tone, brand rules, and always-include instructions once, and they're injected into every run in that project. No more re-pasting your style guide.

The Chrome extension — the fastest way to use PromptFix

If you install one thing, make it the extension. It's now at v1.8.2 and it works where you already write:

15 supported surfaces, including ChatGPT, Claude, Gemini, Perplexity, Notion, Gmail, Google Docs, LinkedIn and X
Floating toolbar that appears in the prompt box — fix your prompt before you send it, in place
Side panel for scoring, history, and your saved prompts without leaving the page
Right-click context menus — highlight any text anywhere and fix it
Keyboard shortcuts for one-key Quick Fix
Recent prompts synced with your account, plus a VS Code path for developers

It's free to install and works on the free plan. For a lot of our users it's the only surface they touch — the web app is where they go when they want depth.

We rebuilt the whole experience around being easy

This was the biggest push of the release, and it's the part that's hardest to put in a bullet list. A few concrete pieces:

An instant demo in the editor so new users see a real score before signing up, plus a public 6-step guided tour at /demo
Radial score rings and animated metric deltas so you can actually see what improved after a fix, not just read a number
A premium redesign — bento-grid layout, glass cards, animated hero — plus page transitions, ⌘⇧ sidebar shortcuts, a 5-tab mobile bottom nav, and full dark mode
Error boundaries everywhere, so a crash shows a friendly recovery screen instead of a white page
Smart return nudges, onboarding drip emails, and a weekly digest that tells you what to work on next
Get certified: PromptFix Academy

Academy is now a real credential program. 27 lessons across 5 modules, each written long-form with objectives, worked examples, key takeaways and practice exercises — and lesson playgrounds that run on the same Studio backend, so you're practicing against live models, not screenshots.

Modules 1 and 2 are free. The $79 certificate track unlocks modules 3–5 and a proctored 30-question, 30-minute exam with server-side sessions and anti-cheat. Pass it and you get a printable certificate plus a public verification page at /academy/verify/:id that anyone — a client, a hiring manager — can check.

Games Hub, streaks, and the rest

Learning prompt engineering is a practice habit, so we built one: Prompt Duel, Fix the Fail, Speed Run, Hallucination Hunter, Model Guesser, Daily Spin, Quiz Blitz, Boss Challenge and Battle Arena, with a coins economy, friend challenges, and social sharing. Around it sits XP and levels, 18 achievement badges, weekly goals with four difficulty tiers, weekly and all-time leaderboards, and streak milestones that unlock free Starter trials at 7, 14 and 30 days.

Also shipped: 300+ prompt templates, reverse-prompt generation from an uploaded image, multi-step prompt chains, A/B experiments with background scoring, an analytics dashboard, team workspaces with roles, approvals and audit logs, and API keys for programmatic access.

Try it

The free plan includes 15 analyses a month, the full editor, the Games Hub, and the Chrome extension — no card required. Start free, install the extension, and see what your prompts actually score.

→ Sign up free at PromptFix · Add to Chrome

PromptFix — AI Prompt Reliability & Performance Platform

Score, improve, and version your AI prompts across GPT-4o, Claude, and Gemini. PromptFix gives every prompt a 0–100 reliability score with specific, actionable fixes — so your AI outputs are consistent, accurate, and on-brand every time. Built for prompt engineers, developers, and AI teams who ship production prompts.

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🆕 WHAT'S NEW
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🔑 REST API
Programmatic access to the PromptFix analysis engine via API keys. Integrate prompt scoring directly into your pipelines, apps, CI workflows, or internal tools — no manual copy-paste required.

👥 Team Collaboration
Invite teammates, assign roles (Admin / Member), and submit prompts through a structured peer-review and approval workflow. Full audit logs and team-wide analytics dashboards keep everyone aligned.

🧪 A/B Testing
Run controlled experiments across prompt variants with automated AI scoring. Find the highest-performing phrasing across models without manual comparison — PromptFix scores every variant in the background.

🎮 Games Hub
Four daily games that make prompt engineering addictive:

• 🎰 Daily Spin Wheel — spin once a day for XP and bonus credits
• ⚡ Quiz Blitz — 10-question daily prompt quiz, 90-second timer, community leaderboard
• 🐉 Weekly Boss Challenge — the community attacks a boss together with rated prompts
• ⚔️ Battle Arena — one daily submission, AI-scored, live daily rankings

🧩 Chrome Extension
The best Chrome extension for prompt engineering across every AI platform. Works natively in ChatGPT, Claude, Gemini, and any browser-based AI tool — analyze, score, and improve prompts without ever leaving your workflow.
→ Chrome Web Store: https://chromewebstore.google.com/detail/lenldjaimfkbbbmlmaachomiebfdokmb

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📦 FULL FEATURE SET
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• Reliability scoring (0–100) with improvement suggestions
• Multi-model comparison: GPT-4o vs Claude vs Gemini side-by-side
• 300+ prompt templates across 20+ categories
• Prompt chains for multi-step AI workflows
• Reverse prompt generation from images or AI outputs
• Daily challenges, XP streaks, achievement badges, weekly leaderboard
• Preference profiles: tone, brand rules, inclusion/exclusion settings

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💰 PRICING
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Free forever · Starter $9/mo · Pro $29/mo · Enterprise

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🔗 LINKS
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Website: https://promptfix.online
Chrome Extension: https://chromewebstore.google.com/detail/lenldjaimfkbbbmlmaachomiebfdokmb
Games Hub: https://promptfix.online/app/games
Templates: https://promptfix.online/app/templates
REST API: https://promptfix.online/app/api-keys

🚀 PromptFix 1.1 — Prompt Engineering, Everywhere

We just made PromptFix faster, smarter, and available wherever you work with AI.

✨ New Features

📱 PromptFix Chrome Extension
Analyze and improve prompts directly on your favorite AI platform.

⚡ Instant Prompt Analysis Engine
Get AI scoring, subscores, and optimization suggestions in seconds.

🧠 Best Prompt Generator
Automatically rewrites your prompt into a higher-performing version.

📚 Expanded Template Library
300+ structured prompts across business, marketing, coding, and creative workflows.

🎓 Prompt Engineering Tutorials
Learn how professionals design prompts that actually work.

🔐 Account & Plan Sync
Your templates, access level, and upgrades now sync across Web + Mobile.

⭐ Early adopters are seeing up to 3–5x better AI output quality using structured prompts.