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

The

Network

Network

of Human

of Human

Taste

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

Feedback

that

feels

creative

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

The world's leading independent human data & creative evaluation lab.

Powered by Contra.

The world's leading independent human data & creative evaluation lab.

Powered by Contra.