finetuner.org

Stop Wasting AI Credits on Bad Prompts.
Optimize Outputs with Real User Data.

Is your AI SaaS frustrating users with mediocre outputs? Finetuner analyzes user engagement signals (likes, dislikes, edits, regenerations) you already have, showing you instantly which prompts deliver value and which need fixing – no complex A/B setup required.

Instantly Improve Your AI's Value (MVP Features)

Find Your Best/Worst Prompts

Upload simple engagement data (CSV: PromptID, Success/Failure counts) and instantly see which prompts delight or frustrate users.

Data-Driven Ranking

No more guessing. Get a clear, ranked list of all your prompts based on calculated engagement scores from real interactions.

Focus Your Efforts

Quickly identify your Top 3 "hero" prompts to learn from, and your Bottom 3 "villain" prompts to fix immediately.

Stop Wasting Resources

Reduce costly regenerations and support tickets by eliminating low-performing prompts faster than manual review.

Validate Prompt Ideas

Use real feedback loops to understand what prompt structures, tones, or keywords *actually* work for your audience.

Simple Export

Download your ranked prompt list (CSV/JSON) to easily update your application or share insights with your team.

The Guesswork Problem

Optimizing AI prompts today often involves:

  • Endless manual tweaking and hoping.
  • Complex, slow A/B testing frameworks.
  • Ignoring valuable implicit user feedback.
  • Wasting developer time on low-impact prompts.
  • Users churning due to poor AI experiences.

The Finetuner Solution

Finetuner uses data you likely already have:

  • Leverage simple signals (like/dislike, edit, regen).
  • Get instant insights via easy CSV upload (MVP).
  • Focus on *actual* user engagement, not just theory.
  • Prioritize fixes based on real performance data.
  • Improve retention by quickly fixing frustrating prompts.

Early Access: Choose Your Starting Point

Get notified when your chosen tier launches. Focus starts with the MVP (Tuner).

Tuner

$49/month

Find your best & worst prompts NOW. Essential insights from your engagement data.

  • Manual CSV Upload (PromptID, Success/Failure Counts)
  • Instant Engagement Score Calculation
  • Ranked Prompt List View
  • Top 3 / Bottom 3 Highlights
  • Basic Dashboard
  • Export Ranked List (CSV/JSON)
  • Community Support

Accelerator

$199/month

Integrate & scale. API data feed & advanced analytics (post-MVP).

  • Everything in Optimizer, plus:
  • Direct API Integration for Data Feed
  • User Segment Analysis
  • Custom Engagement Signal Tracking
  • Automated Alerting

You'll get notified first. Early access pricing secured until full launch.