About VibeDex
Independent AI model benchmarks for creators and teams
The Skyscanner for AI Tools
VibeDex is building the go-to comparison engine for AI tools and models. Just as Skyscanner helps you find the best flight by comparing airlines on price, duration, and stops — VibeDex helps you find the best AI model by comparing quality, cost, and use-case fit.
Today
Image generation — 20 models benchmarked across quality, cost, and use-case dimensions
Next
Video generation, 3D, and audio models — expanding the same rigorous evaluation framework to new modalities
Vision
The independent benchmark platform for every AI tool — covering all modalities, providers, and use cases
We are starting with image generation because it is one of the most crowded and confusing markets in AI. With 20 models already available and new ones launching monthly, creators and teams need an independent, data-driven way to choose. Once we nail image benchmarking, we will expand to cover all AI creative tools.
The Problem
The AI image generation landscape is exploding. Dozens of models launch every month, each claiming to be the best. But most “rankings” are published by API vendors and tool platforms with a financial incentive to promote specific models. For creators and teams, there is no independent, rigorous way to compare models on what actually matters for their work.
Vendor bias everywhere
Most comparison sites sell API access to the models they rank, creating inherent conflicts of interest.
One-dimensional rankings
A single “quality score” hides the nuance. The best model for product photography is not the best for concept art.
No methodology transparency
Cherry-picked examples and vague criteria make it impossible to trust or reproduce results.
Our Solution
VibeDex is an independent benchmarking platform for AI image generation. We don't sell API access or take sponsorship from model providers. Our recommendations are powered by proprietary evaluation frameworks that score 20 models across multiple quality dimensions, supplemented by public benchmark data and community review.
Multi-Dimensional Scoring
Models are evaluated across multiple quality dimensions — visual fidelity, physical accuracy, subject integrity, and prompt adherence — so comparisons reflect what actually matters for your use case.
Intent-Aware Matching
VibeDex analyzes your prompt to understand what it demands — then weights scores accordingly. A portrait prompt prioritizes anatomy; a product shot prioritizes realism and lighting.
Hybrid Evaluation
Our proprietary automated benchmarks are supplemented with public data sources, editorial research, and community reviewer feedback to ensure scores reflect real-world performance.
Fully Independent
We have no commercial relationships with model providers. Every recommendation is based on benchmark evidence, not sponsorship deals.
How It Works
Enter Your Prompt
Describe what you want to generate. Our AI analyzes your prompt to identify which quality dimensions matter most for your specific use case.
Weighted Scoring
Our proprietary scoring engine weights benchmark data to your specific needs, emphasizing the dimensions your prompt demands.
Get Recommendations
Receive ranked model recommendations tailored to your prompt, complete with scores, sample outputs, and cost-performance tradeoffs.
Our Methodology
VibeDex scores are derived from a proprietary multi-layer evaluation framework built for depth and consistency. We designed our benchmark suite to stress-test models across the full spectrum of real-world image generation tasks.
200+
Test Prompts
Spanning photorealism, illustration, typography, product shots, concept art, stress tests, and edge cases
20
Models Benchmarked
All major providers including OpenAI, Google, Black Forest Labs, Midjourney, Runway, Ideogram, and more
3,500+
Evaluations
Every model-prompt combination scored across multiple quality dimensions
How We Evaluate
Every generated image is evaluated by Gemini 3 Pro as our primary visual language model judge. We tested multiple VLMs — including Gemini 2.5 Pro, Claude Opus, and Claude Sonnet — before selecting Gemini 3 Pro for its consistency, scoring calibration, and ability to assess fine-grained visual quality across diverse styles and subjects.
Our prompt suite is designed to isolate specific quality dimensions. Some prompts target photorealistic accuracy, others stress-test text rendering, physical plausibility, or complex multi-subject compositions. This ensures models are scored on what matters, not just what looks good in a cherry-picked demo.
Automated Benchmarks
AI-powered visual judges score every generated image across multiple quality dimensions, calibrated for consistency and cross-validated across evaluation runs.
Public Data Integration
We supplement internal benchmarks with established public sources — industry leaderboards, editorial reviews, and published datasets — to validate and broaden our coverage.
Community Review
Human reviewers provide qualitative feedback on model outputs, validating automated scores against real-world creative standards and use-case expectations.
What We Measure
Unlike single-score rankings, VibeDex evaluates models across four distinct quality dimensions, each broken down into granular sub-metrics. This multi-dimensional approach means we can match you with the right model for your specific task — not just the one with the highest average score.
Visual Fidelity
Overall image quality and visual appeal, scored across:
- •Aesthetics — artistic quality, color harmony, visual impact
- •Image Quality — sharpness, noise, artifact-free rendering
- •Composition — framing, balance, visual hierarchy
Physics & Logic
Realistic lighting, materials, gravity, and physical plausibility. Scored across multiple sub-metrics targeting static and dynamic realism.
Subject Integrity
Accurate human anatomy, object coherence, and scene consistency. Sub-metrics evaluate subjects, objects, and spatial relationships independently.
Instruction Adherence
How faithfully the output matches the prompt — including semantic accuracy, spatial composition, and text rendering quality.
What We Don't Measure
No benchmark is perfect. We believe in being transparent about our limitations:
- •English prompts only — our evaluation prompts are currently English-only. Multi-language support is planned.
- •Image generation only — we do not currently benchmark video, 3D, or audio generation models.
- •Generation speed — we focus on output quality, not inference latency. Speed varies by provider and plan.
- •Artistic subjectivity — style preference is inherently personal. Our scores measure technical quality, not taste.
Technology
VibeDex is an AI-native platform. Every core component — from prompt analysis to image evaluation to model recommendation — is powered by machine learning.
AI Evaluation Engine
Gemini 3 Pro serves as our primary VLM judge, processing 3,500+ evaluations across 20 models. We built a custom scoring framework with 4 quality dimensions and 12 sub-metrics for granular, reproducible assessments.
Intent Analysis
Our intent router uses LLMs to analyze user prompts in real-time, determining which quality dimensions matter most and dynamically weighting model scores to the specific use case.
Cloud Infrastructure
Built on Google Cloud — Cloud SQL for evaluation data and model profiles, Cloud Storage for generated image assets, and serverless compute for our API and batch evaluation pipelines.
Recommendation Engine
A custom scoring engine that combines intent-weighted quality scores with cost normalization, confidence penalties, and category-specific evaluation data to produce personalized model rankings.
Business Model
VibeDex is a SaaS platform. We monetize through tiered access to our benchmarking data, recommendation engine, and evaluation tools — not by selling API access to the models we rank.
API Access
Programmatic access to evaluation data, model profiles, and our recommendation engine for teams integrating model selection into their workflows and pipelines.
Team Plans
Dashboard access for creative teams to benchmark models against their own prompts and use cases, with saved preferences and collaboration features.
Enterprise
Custom benchmarking for organizations evaluating models at scale, with dedicated evaluation runs, private leaderboards, and integration support.
Benchmarked Models
We currently benchmark 20 image generation models across all major providers. Models are re-evaluated as new versions are released.
| Model | Tier | Cost/Image |
|---|---|---|
| Flux Schnell | Budget | $0.0010 |
| Flux Dev | Budget | $0.0030 |
| Qwen Image 2512 | Budget | $0.0030 |
| Seedream 3.0 | Standard | $0.0180 |
| Reve Image | Standard | $0.0240 |
| Seedream 4.0 | Standard | $0.0300 |
| Ideogram 2a | Standard | $0.0320 |
| FLUX.2 Pro | Standard | $0.0350 |
| Nano Banana | Standard | $0.0390 |
| FLUX 1.1 Pro | Standard | $0.0400 |
| Ideogram 3.0 | Standard | $0.0400 |
| Seedream 4.5 | Standard | $0.0400 |
| Kling Image O1 | Standard | $0.0400 |
| FLUX.2 Max | Premium | $0.0700 |
| Hunyuan Image 3.0 | Premium | $0.0800 |
| Runway Gen-4 Image | Premium | $0.0800 |
| GPT Image 1.5 | Premium | $0.1330 |
| Nano Banana Pro | Premium | $0.1380 |
| Nano Banana 2 | Premium | $0.0670 |
| Grok Imagine Image | Standard | $0.0200 |
The Team
Founded in 2025
Johnathan
Co-Founder
- •Strategic expertise from top-tier consulting
- •Led AI transformation and tool selection for global enterprises
- •Architected the proprietary evaluation frameworks powering VibeDex
Aswin
Co-Founder
- •AI engineer with track record building high-scale recommendation systems
- •Specialized in automated LLM benchmarking and regression testing
- •Engineered systems that turn noisy model outputs into reliable decision data
Ready to find the right model?
Stop guessing. Get evidence-based recommendations tailored to your specific needs.
Try VibeDex→Questions? Support@vibedex.ai