AI Briefing
KO

Delivering context-based hiring matches to millions using OpenAI

·2024.08.15 16:00

Key point

Indeed fine-tuned OpenAI's GPT models to provide millions of job seekers with personalized reasons for job recommendations.

Details

Indeed, the world's largest job site, has been using AI to connect job seekers with employers, and recently adopted OpenAI's GPT models to strengthen the 'Explainability' of job matching. While the existing model only provided matching results, the new system explains in natural language, in detail, why a job seeker's background and experience are a good fit for a given role.

Initially, the Chat Completions API and few-shot prompting were used, but to solve the high token consumption that arises when operating at large scale, fine-tuning was carried out. Through this, a smaller GPT model was built that reduced token usage by 60% while maintaining performance.

The optimization process went through the following technical steps:

  • Data Augmentation using GPT-4
  • Establishing specific content guidelines
  • Generating ground truth for labeling LLM outputs and automated evaluation

Indeed introduced dedicated instances starting in January 2024 to expand its personalized recommendation feature, and it currently processes about 20 million messages per day, improving matching efficiency.

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