01
Public Evaluations
Creative Arena
AI models go head to head on creative output. Real creatives judge the results. The best model wins. Human taste, applied.
Powered by Contra
A frontier human data and evaluation lab making AI better for creativity.
Human creativity keeps evolving. We make sure it leads.
Agent.soAnythingBubbleBuildshipFlora
FlutterFlowFramerFramer CommerceFrameshipGeneral Assembly
GlideGlorifyHeyGenIdeogramInstantJitter
KajabiKit (ConvertKit)KittlLottieFilesLovable
LovartLummiMagicPathPagedeckPeach
ReadyMagRelumeReplitReploRetool
RiveSplineStripoTempo LabsUnicorn Studio
WebflowWebstudio
Agent.soAnythingBubbleBuildshipFlora
FlutterFlowFramerFramer CommerceFrameshipGeneral Assembly
GlideGlorifyHeyGenIdeogramInstantJitter
KajabiKit (ConvertKit)KittlLottieFilesLovable
LovartLummiMagicPathPagedeckPeach
ReadyMagRelumeReplitReploRetool
RiveSplineStripoTempo LabsUnicorn Studio
WebflowWebstudio
Ecosystem
Meet the Contra Labs ecosystem
We build the eval layer for creative AI, helping AI tools and teams understand quality the way expert creatives do.
02
Research & Insights
Human Creativity Benchmark
The industry standard for measuring creative AI. Built on the judgments of 1.5M+ creatives, HCB answers the only question that matters: is this actually good?
03
Private Evaluations
Creative Human Data
Preference datasets built by the people who set creative standards. Top creatives label, rank, and evaluate AI outputs.
04
Creative AI Agents
Co-Agents Private beta
Creative AI Co-Agents that collaboratively amplify the workflows of expert creatives.
Method
Building taste into creative AI
Execution is free. Now, judgment is everything. Move beyond benchmark scores and uncover the qualitative signals that shape user preference.
- 01Blind comparative reviews
- 02Expert preference modeling
- 03Creative scoring systems
- 04Multimodal AI evals
Built on real-world creative expertise
The Network of Human Taste
1.5M+
Independent creatives
400+
Different creative skills
$250M+
Earned by creatives
26x
Higher project earnings by creatives on Contra
50+
Models evaluated
Work with the industry’s top creative minds
Request partnership“Blind panels of working creatives caught quality gaps our automated evals never flagged.”
Research Lead, foundation model team
“HCB gave us a single, defensible number for ‘is this actually good’ — something benchmark scores never captured.”
Applied ML Manager, creative tools team
“The preference data reflects how expert designers actually judge output, not a proxy for it.”
Head of Data, generative design startup
Human taste is the new training data.
Creative AI isn’t good enough yet. Human creativity keeps evolving. We’re here to make sure it leads.