Strengthening AI Content Integrity Through Human Evaluation

A global tech company partnered with expert evaluators to train a journalistic LLM focused on accuracy, credibility, and readiness for real-world media use.

4 Minutes

A major technology company set out to develop a large language model (LLM) capable of generating reliable, professional-grade journalistic content. The stakes were high: this model would support core business goals around AI adoption in media and information spaces. 

Our team was brought in to support evaluation and help ensure content accuracy, editorial quality, and long-term scalability. 

The client is a global technology company investing in LLMs tailored to specific real-world use cases. In this instance, they sought to create a model that could assist in news article creation while maintaining the integrity, factuality, and clarity that readers expect from trusted media outlets.

At its core, the project aimed to teach an LLM how to “think like a journalist.” This included understanding:

The main challenge wasn’t just technical. Many task types were across multiple projects, each targeting a slightly different piece of the journalism puzzle: headlines, ethics, structure, sourcing, or sensitivity. 

Our team of research content writers, experienced in journalism, writing, and editorial review, was embedded across all major task types. These included:

We also created an internal escalation and documentation system to flag unclear issues, clarify expectations, and share best practices. These protocols became a de facto quality control process, which our client appreciated.

Our work directly supported the development of a more accurate, reliable, and scalable editorial AI product. 

Key outcomes include:

This project directly supported the client’s strategic goals around building responsible, high-impact AI products for the media space. 

Creating a journalistically sound LLM offers clear business value in an era of misinformation and low-quality AI-generated content.

A model trained with human oversight and editorial standards provides:

Key Challenges

  • Inconsistent quality and factual accuracy in AI-generated news content
  • Lack of editorial context and source credibility in outputs
  • No clear process for scaling human-in-the-loop evaluation

Welo Data Solutions

  • Embedded trained evaluators with journalism and writing expertise
  • Created scalable quality control and issue escalation systems
  • Designed and executed task-specific evaluations across sourcing, clarity, and ethics
  • Helped improve model accuracy and structure across evolving task types

This project played a key role in the client’s strategy to build trustworthy, high-impact AI for complex content environments. What began as content evaluation became a deeper partnership. By embedding trained evaluators into the development process, we helped ensure the model reflected core journalistic values: accuracy, authority, and accountability.

We filled process gaps, created scalable quality systems, and adapted to shifting priorities, bringing clarity, structure, and subject-matter expertise where it was needed most. 

The result is a stronger, more credible model that supports the client’s long-term goals in media and AI, and positions them to lead in high-trust applications.