VibeDex

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

1

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.

2

Weighted Scoring

Our proprietary scoring engine weights benchmark data to your specific needs, emphasizing the dimensions your prompt demands.

3

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.

ModelTierCost/Image
Flux SchnellBudget$0.0010
Flux DevBudget$0.0030
Qwen Image 2512Budget$0.0030
Seedream 3.0Standard$0.0180
Reve ImageStandard$0.0240
Seedream 4.0Standard$0.0300
Ideogram 2aStandard$0.0320
FLUX.2 ProStandard$0.0350
Nano BananaStandard$0.0390
FLUX 1.1 ProStandard$0.0400
Ideogram 3.0Standard$0.0400
Seedream 4.5Standard$0.0400
Kling Image O1Standard$0.0400
FLUX.2 MaxPremium$0.0700
Hunyuan Image 3.0Premium$0.0800
Runway Gen-4 ImagePremium$0.0800
GPT Image 1.5Premium$0.1330
Nano Banana ProPremium$0.1380
Nano Banana 2Premium$0.0670
Grok Imagine ImageStandard$0.0200

The Team

Founded in 2025

Johnathan

Co-Founder

LinkedIn
  • 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

LinkedIn
  • 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