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AI Training Data for World-Class Models

High-quality, multilingual data services including RLHF annotation, AI red teaming, and safety testing to build safer and more capable AI systems.

Into23 provides the critical data backbone for developing and evaluating advanced AI models. Our services focus on generating high-quality, human-annotated data for Reinforcement Learning from Human Feedback (RLHF), conducting adversarial AI red teaming to identify vulnerabilities, and performing rigorous safety testing. We specialize in creating diverse, multilingual datasets that enable your models to perform accurately and safely across global audiences.

98.7%
Inter-Annotator Agreement
Achieved on complex RLHF preference tasks, ensuring data consistency.
4.2M+
Adversarial Prompts Generated
Created by our red teams to uncover model vulnerabilities in the last year.
6
Priority RLHF Languages
Including English, Chinese, Spanish, Hindi, French, and Arabic for core markets.
35%
Reduction in Harmful Outputs
Average improvement seen by clients after implementing our safety-aligned data.
Capabilities

What We Deliver

RLHF & RLAIF Annotation

We generate high-quality human preference data for instruction-following, helpfulness, and harmlessness, leveraging our expert annotators to refine model behavior.

AI Red Teaming & Safety

Our dedicated teams simulate adversarial attacks to proactively identify and mitigate risks, biases, and vulnerabilities in your AI models before deployment.

Multilingual Data Collection

With native-speaker annotators in over 75 languages, we collect and create culturally nuanced training data for a truly global AI performance.

Prompt-Response Evaluation

We perform detailed evaluations of model outputs for accuracy, relevance, and safety, providing structured feedback to guide your development cycles.

Domain Expertise

Our annotators possess deep expertise in fields like finance, law, and medicine, ensuring your training data has the required technical accuracy.

Scalable Annotation Pipelines

Leveraging our ISO-certified processes and proprietary platform, we deliver high-volume, consistent data annotation to meet your project timelines.

Our Process

How It Works

01
1

Project Scoping & Guideline Creation

We work with you to define data requirements, annotation standards, and project goals, creating detailed guidelines to ensure annotator alignment.

02
2

Annotator Training & Calibration

A dedicated team of native-speaking, domain-expert annotators is selected and trained on your specific guidelines, followed by calibration exercises.

03
3

Data Generation & Annotation

Our teams generate and annotate data—whether it is preference pairs, red team prompts, or safety labels—within our secure, scalable platform.

04
4

Multi-Layered Quality Assurance

Every annotation passes through a rigorous QA process, including peer review, expert validation, and automated checks to ensure it meets our 98.7% agreement target.

05
5

Secure Data Delivery & Feedback Loop

Annotated data is delivered securely in your desired format. We establish a continuous feedback loop to refine guidelines and improve data quality over time.

Case Study
Generative AI

Improving Safety Alignment for a Leading Generative AI Platform

A major AI developer partnered with Into23 to reduce harmful and biased outputs from their flagship language model. Our red team generated over 1.2 million adversarial prompts, identifying critical vulnerabilities. We then provided a high-quality dataset of 500,000 safety-aligned preference pairs created by our RLHF experts. This data was used to fine-tune the model, resulting in a 35% measured reduction in harmful content generation and a significant improvement in user trust.

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35% Reduction in Harmful Outputs
Key Result
Common Questions

Frequently Asked Questions

What is RLHF and why is it important for AI models?
Reinforcement Learning from Human Feedback (RLHF) is a crucial technique used to align AI models with human values and intentions. It works by collecting data that represents human preferences, typically by asking annotators to rank or choose between different model responses. This preference data is then used to train a separate reward model, which in turn guides the main AI model during a fine-tuning process to produce outputs that are more helpful, harmless, and honest. Without RLHF, even powerful language models can generate factually incorrect, biased, or unsafe content, making it an essential step for deploying responsible and effective AI systems.
How do you ensure the quality and consistency of your AI training data?
We ensure data quality and consistency through a multi-layered, ISO-certified process that begins with rigorous annotator selection and training. Our annotators are native speakers with domain expertise relevant to the project. We establish detailed project guidelines and conduct calibration exercises to ensure all annotators share a unified understanding of the task. During the project, we enforce a strict quality assurance protocol that includes peer review and expert validation for every piece of data. Our platform also has built-in automated checks, helping us consistently achieve an inter-annotator agreement rate of over 98.7%, which guarantees reliable and high-quality data for your models.
What kind of models can benefit from your AI red teaming services?
Our AI red teaming services can benefit a wide range of models, but they are especially critical for large language models (LLMs) and generative AI systems intended for public or enterprise use. Any model that interacts with users and generates content—from chatbots and virtual assistants to content creation tools—should undergo adversarial testing. We identify vulnerabilities related to generating harmful content, revealing sensitive information, promoting bias, or being manipulated for unintended uses. By simulating these real-world threats in a controlled environment, we help you secure your model against misuse and improve its overall safety and reliability before deployment.
Can you source training data for languages other than your 6 priority ones?
Yes, we can absolutely source training data in languages beyond our six priority ones. While we have dedicated, large-scale teams for English, Chinese, Spanish, Hindi, French, and Arabic, our global network includes vetted, native-speaking annotators in over 75 languages. Our flexible and scalable operational model allows us to quickly assemble and train expert teams for specific language requirements. Whether you need data for a regional European dialect or a less common Southeast Asian language, our ISO 17100 certified processes ensure we can deliver the same high standard of quality and cultural nuance, enabling your AI to perform effectively in any market.
What makes your annotators different from other data service providers?
Our annotators are distinguished by their combination of native-level linguistic fluency and deep, verified domain expertise. Unlike crowdsourcing platforms, we do not rely on anonymous gig workers. Instead, we cultivate a professional, managed workforce of specialists in fields like law, medicine, finance, and engineering. This ensures that the data we produce is not only linguistically accurate but also factually correct and contextually appropriate for specialized use cases. Every annotator undergoes a thorough vetting and training process, and their work is continuously evaluated, guaranteeing a level of quality and reliability that generic providers cannot match. This expertise is critical for high-stakes AI applications.

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