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How does O1 break down problems into steps? While prior models memorized content, O1 adds a layer where it thinks about how to arrive at the right sequence of steps to do more complex tasks and get the right answer.

44,219 views • 1 year ago •via X (Twitter)

10 Comments

Garry Tan's profile picture
Garry Tan1 year ago

Why OpenAI's o1 Is A Huge Deal | YC Decoded

Romain Lacombe's profile picture
Romain Lacombe1 year ago

Just a note Garry: it's not a layer, CoT is all happening in-context.

SLOMP's profile picture
SLOMP1 year ago

keeping yc founders on the bleeding edge

protomemetic's profile picture
protomemetic1 year ago

Appreciate this video. Just last night I asked o1 what it meant by "thinking" and it told me to stop asking.

rudy@FURE.Cab 🌐 - e/acc's profile picture
[email protected] 🌐 - e/acc1 year ago

Sim to First Principal thinking 🤔

djcows's profile picture
djcows1 year ago

i see pizza math problem solving, i press like

Steven Musielski's profile picture
Steven Musielski1 year ago

This is incredible Garry. WOW.

Dennis Hackethal's profile picture
Dennis Hackethal1 year ago

@ycombinator No model ever ‘memorized’ or ‘thought’ about anything. Stop using misleadingly humanizing verbiage and spreading this false advertising

DWA 🌊 🚀's profile picture
DWA 🌊 🚀1 year ago

Keep hyping guys…

Jon_D's profile picture
Jon_D1 year ago

I wonder what the next thinking process upgrade will be! Definitely a fascinating breakthrough. What do you think is next?

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OpenAI just announced API access to o1 (advanced reasoning model) yesterday. I'm delighted to announce today a new short course, Reasoning with o1, built with OpenAI, and taught by Colin Jarvis, Head of AI Solutions at OpenAI, to show you how to use this effectively! Unlike previous language models which generate output directly, o1 “thinks before it responds,” and generates many reasoning tokens before returning a more thoughtful and accurate response. It is great at complex reasoning -- including planning for agentic workflows, coding, and domain-specific reasoning in STEM fields like law. But how you should use it is quite different from other LLMs. I think o1 will be a game changer for many AI applications; and in this course, you'll learn how to use it effectively. In detail, you’ll: - Learn to recognize what tasks o1 is suited for, and when to use a smaller model, or combine o1 with a smaller model - Understand the new principles of prompting reasoning models: Be simple and direct; no explicit chain-of-thought required; use structure; show rather than tell - Implement multi-step orchestration in which o1 plans, and hands tasks over to gpt-4o-mini to execute specific steps; this illustrates a design pattern to optimize intelligence (accuracy) and cost - Use o1 for a coding task to build a new application, edit existing code, and test performance by running a coding competition between o1-mini and GPT 4o - Use o1 for image understanding and learn how it performs better with a "hierarchy of reasoning," in which it incurs the latency and cost upfront, preprocessing the image and indexing it with rich details so it can be used for Q&A later - Learn a technique called meta-prompting, in which you use o1 to improve your prompts. Using a customer support evaluation set, you'll iteratively use o1 to modify a prompt to improve performance You'll also learn about how OpenAI used reinforcement learning to produce a model that uses "test-time compute" to improve performance. I think you'll find this course enjoyable and valuable. Please sign up for it here:

Andrew Ng

357,401 views • 1 year ago