


Creative intelligence.
A frontier human data and evaluation lab making AI better for creativity.
Meet the Contra
Labs ecosystem
We build the eval layer for creative AI, helping AI tools (across video, code, image and more) understand quality the way expert creatives do.
Public launch-focused research
Creative
Arena
AI models go head to head on creative output. Real creatives judge the results. The best model wins. Human taste, applied.

Public launch-focused research
Creative
Arena
AI models go head to head on creative output. Real creatives judge the results. The best model wins. Human taste, applied.

Public launch-focused research
Creative
Arena
AI models go head to head on creative output. Real creatives judge the results. The best model wins. Human taste, applied.

Comparative model evals
Benchmarking
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?

Comparative model evals
Benchmarking
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?

Comparative model evals
Benchmarking
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?

Private lab benchmarks
Creative
preference
Seed datasets (image, video, UI, motion). Corrective SFT data and RLHF preference pairs.

Private lab benchmarks
Creative
preference
Seed datasets (image, video, UI, motion). Corrective SFT data and RLHF preference pairs.

Private lab benchmarks
Creative
preference
Seed datasets (image, video, UI, motion). Corrective SFT data and RLHF preference pairs.

Long-horizon workflow capture
Trajectories & RL
environments
Computer-use trajectories from real-world projects with reasoning.

Long-horizon workflow capture
Trajectories & RL
environments
Computer-use trajectories from real-world projects with reasoning.

Long-horizon workflow capture
Trajectories & RL
environments
Computer-use trajectories from real-world projects with reasoning.

Public launch-focused research
Creative
Arena
AI models go head to head on creative output. Real creatives judge the results. The best model wins. Human taste, applied.

Comparative model evals
Benchmarking
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?

Private lab benchmarks
Creative
preference
Seed datasets (image, video, UI, motion). Corrective SFT data and RLHF preference pairs.

Long-horizon workflow capture
Trajectories & RL
environments
Computer-use trajectories from real-world projects with reasoning.














Built on real-world
creative expertise
Contra Labs taps a vetted network of practicing creative professionals
With real market experience
Built on real-world
creative expertise
Contra Labs taps a vetted network of practicing creative professionals
With real market experience
The
Network
of Human
Taste
Connecting with the missing signal: taste
Contra connects top creative minds with AI teams training models to understand taste. This is expert input, not crowd labor. It's the creative layer powering the next generation of AI.
1.7M+
creative experts
400+
Skills and tools represented
$250M+
verified expert earnings
Connecting with the missing signal: taste
Contra connects top creative minds with AI teams training models to understand taste. This is expert input, not crowd labor. It's the creative layer powering the next generation of AI.
1.7M+
creative experts
400+
Skills and tools represented
$250M+
verified expert earnings
Connecting with the missing signal: taste
Contra connects top creative minds with AI teams training models to understand taste. This is expert input, not crowd labor. It's the creative layer powering the next generation of AI.
1.7M+
creative experts
400+
Skills and tools represented
$250M+
verified expert earnings
Connecting with the missing signal: taste
Contra connects top creative minds with AI teams training models to understand taste. This is expert input, not crowd labor. It's the creative layer powering the next generation of AI.
1.7M+
creative experts
400+
Skills and tools represented
$250M+
verified expert earnings





Shape the future of creative AI with real human taste, all backed by the commission-free network trusted by top creatives.


Execution is free.
Execution is free.
Now, judgment is everything.
Move beyond benchmark scores and uncover the qualitative signals that shape user preference.










The network for creative expertise
Contra Labs transforms real creative workflows from our network into AI training infrastructure.

AI tools multiply leverage, they don't replace expertise.
AI doesn't replace creativity







AI tools multiply leverage, they don't replace expertise.
AI doesn't replace creativity







AI tools multiply leverage, they don't replace expertise.
AI doesn't replace creativity













AI tools multiply leverage, they don't replace expertise.
AI doesn't replace creativity
















Expert opinions help shape smarter tools
Shape the future of creative AI with real human taste, all backed by the commission-free network trusted by top creatives.

Winner

Winner
I prefer left
I prefer right
Prompt: Classical Renaissance-style oil painting of a young woman with curly blonde hair, wearing a flowing white gown, using a modern laptop; textured brushstrokes, warm skin tones, teal background, anachronistic blend of old master painting and technology




Expert opinions help shape smarter tools
Shape the future of creative AI with real human taste, all backed by the commission-free network trusted by top creatives.

Winner

Winner
I prefer left
I prefer right
Prompt: Classical Renaissance-style oil painting of a young woman with curly blonde hair, wearing a flowing white gown, using a modern laptop; textured brushstrokes, warm skin tones, teal background, anachronistic blend of old master painting and technology




Expert opinions help shape smarter tools
Shape the future of creative AI with real human taste, all backed by the commission-free network trusted by top creatives.

Winner

Winner
I prefer left
I prefer right
Prompt: Classical Renaissance-style oil painting of a young woman with curly blonde hair, wearing a flowing white gown, using a modern laptop; textured brushstrokes, warm skin tones, teal background, anachronistic blend of old master painting and technology
