Channel

OpenAI

Digests from OpenAI — OpenAI videos on AI research, products, and systems.

How AI Helps Solve Medical Mysteries at Boston Children’s Hospital | OpenAI Forum thumbnail

· 39:32

How AI Helps Solve Medical Mysteries at Boston Children’s Hospital | OpenAI Forum

Researchers at Boston Children’s Hospital's Manton Center for Orphan Disease Research demonstrated how AI-driven workflows can significantly accelerate the diagnosis of rare genetic diseases. Using models like OpenAI o3 Deep Research, the team analyzed complex genomic data (e.g., whole genome sequencing) and clinical phenotypes to surface novel leads. In one study involving 376 cases, this process led to 18 diagnoses of rare diseases, highlighting AI's potential to transform the 'diagnostic odyssey' by efficiently narrowing massive datasets for expert review.

Key takeaways

  1. AI accelerates diagnosis from vast data sets 20:05

    The workflow uses LLMs to intersect genetic variants (e.g., denovo mutations, deletions/duplications) with curated clinical metadata (ontological codes for phenotypes). This dramatically reduces the search space of thousands of potential variants down to a small, focused list for human diagnosticians.

  2. AI successfully identified rare diagnoses 25:20

    In a study across 376 cases, the AI-driven workflow surfaced evidence that led to 18 confirmed diagnoses of rare diseases. The model can also suggest gene-phenotype associations based on literature even when those links were previously unknown.

  3. The diagnostic process is iterative and requires human oversight 21:45

    While the AI accelerates analysis, it does not replace the diagnostician. The model's output must be reviewed by experts who validate the evidence-driven list of hypotheses to ensure accuracy and guide follow-on testing.

Watch on YouTube Full article

Build Hour: Valuemaxxing with GPT-5.6 thumbnail

· 54:33

Build Hour: Valuemaxxing with GPT-5.6

The session provides a deep dive into 'Value Maxxing' with GPT-5.6, shifting focus from merely maximizing token usage to optimizing AI agents for concrete business outcomes and cost efficiency. Key strategies include selecting the optimal model (Sol, Terra, Luna) based on workload needs, implementing advanced API features like programmatic tool calling and prompt caching, and structuring agent workflows to minimize redundant context processing.

Key takeaways

  1. Shift from Token Maxxing to Value Maxxing 2:30

    Progress should be measured by the value generated (e.g., time saved, quality improved), not just the number of tokens consumed. This requires defining clear outcomes and measurable 'good' for AI agents (evals).

  2. Model Selection Strategy 4:09

    The GPT-3.5 family includes Sol (flagship/complex tasks), Terra (balanced intelligence/cost/latency), and Luna (high-volume, cost/latency sensitive) to optimize for specific workloads.

  3. Optimizing Agent Workflows with Codex 5:28

    For day-to-day coding, starting with `GPT-5.6 Soul` on medium reasoning is often sufficient. Developers can also trade tokens for time using Fast mode or utilize Chronicle to build task memory.

  4. Advanced API Techniques (Harness Optimization) 6:51

    Implement programmatic tool calling (using a JavaScript sandbox) and prompt caching to significantly reduce input token costs and processing time. Persistent reasoning and compaction also boost performance and cache efficiency.

Watch on YouTube Full article