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Data labeling for Generative AI

This guide will explore the significance of data labeling in generative AI, the types of data that need to be labeled, and how accurate labeling can enhance your AI models' creative capabilities. Whether you’re generating realistic images, text, or code with the AI you build, understanding how to label data effectively is key to producing high-quality outputs.

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About Uber Scaled Solutions

Generative AI is transforming industries by enabling machines to create new content—text, images, music, code, and more—based on vast amounts of data. From tools like OpenAI’s GPT to image-generation models, generative AI is now at the forefront of AI-driven creativity and automation. Like any other machine learning model, however, generative AI relies on one critical ingredient: well-labeled data.

What is generative AI?

Generative AI, or gen AI for short, refers to algorithms that can generate new content based on existing data. To achieve high-quality, relevant, and creative outputs, gen AI models must be trained on labeled data that provides context and meaning to the content.

These models learn from vast datasets to create unique outputs, such as:

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  • Generative AI can produce human-like text for diverse applications, such as crafting well-structured articles, summarizing complex documents, generating dynamic chatbot responses, writing creative stories, translating languages, and assisting with coding tasks. It enhances automation in content creation while ensuring coherence, relevance, and adaptability.

  • From realistic visuals to artistic illustrations, generative AI can create high-quality images based on text descriptions. It powers use cases such as photorealistic image synthesis, product design visualization, AI-generated artwork, and deepfake technology, enabling faster and more scalable content production.

  • Generative AI can synthesize high-fidelity audio, including natural-sounding speech, realistic voiceovers, and even AI-generated music. It enables applications like text-to-speech (TTS) with lifelike intonations, personalized voice assistants, automated podcast narration, and AI-driven music composition.

  • AI-powered code generation accelerates software development by converting natural language prompts into executable code snippets. It can assist in debugging, refactoring, and even creating entire software components, reducing manual effort and enhancing developer productivity.

Why is data labeling important for generative AI?

The success of gen AI hinges on the quality of the data it’s trained on. For these models to generate meaningful, accurate, and creative outputs, they need data that’s not only abundant but also carefully labeled. The labels provide the context that helps the AI understand how to replicate or generate new content based on patterns within the data.

Without high-quality labeled data, generative AI can struggle to produce accurate or relevant content. Incorrect or inconsistent labeling can lead to outputs that are confusing, misleading, or of poor quality.

For example:

  • Labeled data helps the AI model understand sentence structures, tone, and content relevance

  • Labeled images allow the AI to understand the relationships between objects, styles, and scenes, enabling it to create realistic or artistic renderings from simple prompts

  • Labeled datasets of different music genres or speech patterns help the AI generate original compositions or mimic human speech

How Uber Scaled Solutions supports data labeling for generative AI

At Uber Scaled Solutions, we offer tailored data labeling services to support gen AI projects across industries. Our experienced annotators and cutting-edge AI-assisted tools help you streamline the labeling process while maintaining accuracy and consistency, whether you need labeled data for text, images, audio, or 3D models.

AI-driven annotation tools

Our platforms, like uLabel, combine automated labeling with human review, ensuring that you get high-quality data annotations at scale

Expert labeling teams

We provide access to highly skilled annotators who understand the nuances of creative fields, to make sure your generative AI models are trained with precision

Scalable solutions

We can scale our operations to meet the growing needs of your gen AI projects, delivering top-quality labeled data efficiently and on time

Types of data that need labeling in generative AI

Gen AI models work with a wide variety of data types. The way each type is labeled affects the quality of the AI’s output.

Below are types of data we’ve featured that need labeling.

Types of data that need labeling in generative AI

Data Type

Use cases

Best practices

Text data

Chatbots, virtual assistants, Content generation, Code generation, and more

  • Label content with relevant categories, such as tone, intent, and domain (for instance, technical writing versus casual conversation)
  • Ensure consistency in labels across similar datasets to avoid confusing the model

Image data

Art and design, E-commerce, Marketing, and more

  • Use precise labels to define objects, styles, or emotions represented in the images (such as “sunset,” “modern art,” “portrait”)
  • Make sure annotations reflect the object and its contextual relationship (such as “person holding a cup” rather than just “person” and “cup”)

Audio data

Voice synthesis, Music composition, Sound design, and more

  • Label audio data with categories like genre, tone, tempo, and instruments
  • Use detailed annotations for speech data, including tone, emotion, language, and dialect

3D data

Game development, Product design, Virtual reality, and more

  • Label 3D data with object properties, such as dimensions, materials, and surface textures
  • Provide annotations for spatial relationships between objects in a scene

Challenges in data labeling for generative AI

While data labeling is crucial for generative AI, it also comes with unique challenges. We've highlighted a few below:

Subjectivity in labeling

In creative fields like art or writing, labels may be open to interpretation, making it difficult to establish consistent standards

Volume of data

Gen AI models often require massive datasets, which can be time-consuming and costly to label accurately

Edge cases

Generative AI might struggle with rare or unconventional prompts, requiring human intervention to fine-tune responses or creations

Best practices for high-quality data labeling in generative AI

Accurate data labeling is the foundation for high-performing gen AI models. To ensure the best results, follow these best practices:

Provide detailed annotation guidelines

Creating clear guidelines will help annotators understand how to label data consistently. For instance, in text labeling, instructions should specify how to categorize tone, style, and/or intent.

Use AI-assisted labeling tools

Leveraging AI tools like uLabel can speed up the labeling process by automatically suggesting labels for large datasets. These tools can also flag inconsistencies and reduce manual errors.

Employ human-in-the-loop quality control

Combining AI labeling with human oversight ensures the best balance between efficiency and accuracy. Human annotators can catch nuances and edge cases that automated systems might miss.

Perform regular quality audits

Periodically reviewing samples of labeled data to maintain high standards is especially important in creative fields where subjective interpretation can affect output quality.

Establish a continuous feedback loop

Set up a feedback system between data labelers and AI engineers. This makes sure any errors or ambiguities in the labeling process are quickly corrected.

Loppulause

Data labeling is the backbone of any successful generative AI model. Whether you’re creating text, images, music, or code, the quality of your labeled data will directly influence the creativity and accuracy of your AI-generated content. By following best practices and partnering with a trusted provider like Uber’s Scaled Solutions, you can ensure that your gen AI models deliver high-quality outputs that meet your project goals.

Looking to take your generative AI models to the next level? Contact Uber Scaled Solutions to learn more about how we can support your data labeling needs.

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With over 8 years of expertise in managing large-scale data labeling operations, we offer 30+ advanced capabilities, including image and video annotation, text labeling, 3D point cloud processing, semantic segmentation, intent tagging, sentiment detection, document transcription, synthetic data generation, object tracking, and LiDAR annotation.

Our multilingual support spans 100+ languages, covering European, Asian, Middle Eastern, and Latin American dialects, ensuring comprehensive AI model training for diverse global applications.

Our solutions include:

  • Data annotation and labeling: Expert, precise annotation services for text, audio, images, video, and many more technologies

  • Product testing: Efficient product testing with flexible SLAs, diverse frameworks, 3,000+ test devices, all streamlined for an accelerated release cycle

  • Language and localization: World-class user experience for everyone, everywhere

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