Key Moments

The Ultimate Guide to Prompting - with Sander Schulhoff from LearnPrompting.org

Latent Space PodcastLatent Space Podcast
Science & Technology3 min read68 min video
Sep 20, 2024|3,374 views|102|4
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TL;DR

Expert guide to prompt engineering, covering techniques, taxonomy, optimization, and security risks.

Key Insights

1

Prompt engineering involves a taxonomy of techniques categorized by problem-solving strategy.

2

Few-shot prompting requires careful attention to exemplar quality, ordering, and formatting.

3

Chain-of-thought and decomposition techniques aid complex problem-solving by breaking down reasoning.

4

Ensembling and self-criticism offer methods to improve prompt output reliability.

5

Prompt injection and jailbreaking are critical security concerns, requiring distinct approaches.

6

Automatic prompt engineering tools like DSPy can significantly outperform human efforts.

7

Multimodal prompting (video, audio) presents new challenges and complexities.

8

Structured output prompting and robust evaluation are crucial for reliable AI applications.

FOUNDATIONS OF PROMPT ENGINEERING

Sander Schulhoff's journey into AI began with early exposure to Java and a fascination with deep learning, leading to research in reinforcement learning and NLP. His early work on diplomacy and the Minecraft reinforcement learning competition provided practical AI experience. A pivotal moment was using GPT-3 for translation, sparking his interest in prompting. This led to the creation of LearnPrompting.org, a comprehensive resource that democratized knowledge about prompting techniques before the widespread adoption of tools like ChatGPT.

RESEARCH AND TAXONOMY OF PROMPTING

Schulhoff's significant contributions include two major papers: 'Hack a Prompt' and 'The Prompt Report'. 'Hack a Prompt' analyzed 600,000 malicious prompts, leading to a best paper award at EMLP. 'The Prompt Report' systematically reviewed thousands of papers, creating a formal taxonomy of prompting techniques. This taxonomy categorizes methods based on problem-solving strategies, such as generating thought, ensembling, self-criticism, decomposition, and zero-shot/few-shot approaches, providing a structured understanding of the field.

ANALYSIS OF PROMPTING TECHNIQUES

The discussion delved into specific techniques, questioning the efficacy of role and emotion prompting on modern models for accuracy-based tasks, citing experiments where an 'idiot' prompt outperformed a 'genius' one. Few-shot prompting advice centered on exemplar quality, ordering, format, quantity, distribution, and similarity, highlighting that exemplar ordering can dramatically impact accuracy. The exploration also touched on chain-of-thought (CoT) and its variations, noting that while models are improving, explicit CoT prompts remain valuable for ensuring consistent reasoning, especially at scale.

ADVANCED PROMPTING STRATEGIES

Decomposition techniques aim to break down problems into smaller, manageable sub-problems, akin to thought generation but focused on solving distinct parts. Ensembling involves using multiple prompts or samplings to derive a final answer, with self-consistency being a related sampling method. Self-criticism involves a model reviewing and refining its own output. While advanced techniques like 'Tree of Thoughts' and 'Skeleton of Thought' exist, simpler decomposition prompts often suffice. The conversation also touched on the complexity and cost associated with complex prompting systems.

AUTOMATIC PROMPT ENGINEERING AND SECURITY

Automatic Prompt Engineering (APE) tools, particularly DSPy, have shown remarkable efficiency, surpassing human prompt engineering in certain tasks by automating optimization. However, APE typically requires ground truth labels, making open-ended generation tasks harder to optimize. The discussion then shifted to prompt security, differentiating prompt injection (developer and user input conflict) from jailbreaking (user input only). Schulhoff advocates for 'prompt hacking' as a catch-all term due to the conflation of these terms. A notable discovered attack was 'context overflow', exploiting model limitations by creating a lengthy prompt to force a specific output.

MULTIMODAL AND STRUCTURED OUTPUT ANALYSIS

The field is rapidly expanding into multimodal prompting, with video and audio generation presenting unique challenges. Prompting video models, in particular, is noted as being significantly more complex than text due to increased degrees of freedom. Structured output prompting, while exciting, may potentially impact model creativity and accuracy, though OpenAI's new features aim to mitigate this. Evaluating AI outputs, especially on linear scales, requires careful prompt design to assign meaning to scores and avoid model biases, underscoring the importance of robust evaluation systems in AI engineering.

THE FUTURE OF PROMPT ENGINEERING AND AI DEVELOPMENT

Schulhoff emphasizes that prompt engineering is a fundamental skill for everyone, not just a specialized role, although dedicated prompt engineers are valuable for AI companies. The rise of the 'AI Engineer' or 'Generative AI Architect' signifies a move beyond pure prompting towards more integrated coding and system design. Upcoming projects include Hack a Prompt 2.0, aiming to create a dataset of real-world harms (misinformation, harassment, agentic security risks) to improve model safety tuning and benchmarking, with ambitious goals for prizes and hacker participation.

Key Prompt Engineering Design Advice

Practical takeaways from this episode

Do This

Pay close attention to the order of your few-shot exemplars; try random orders to avoid biases.
Use common, established formatting for your exemplars (e.g., Q: A: or Input: Output:) as LLMs are most familiar with them.
Ensure sufficient quantity of examples, though be mindful of potential repetition if too few are provided.
When breaking down problems (decomposition), start simple by instructing the model to solve subproblems individually.
Leverage automated prompt optimization tools like DSPy, especially for tasks with ground truth labels.
For structured output and scoring, provide clear definitions and context for numerical scales to ensure model understanding and stability.

Avoid This

Do not rely on role prompting or emotion prompting for accuracy-based tasks on modern LLMs; they are more effective for stylizing text.
Avoid assuming few-shot prompting is always superior to zero-shot; sometimes simpler templates work better.
Do not assume models automatically generate Chain of Thought; explicitly prompt for it when needed, especially for critical reasoning tasks.
Be cautious with prompt golfing due to potential randomness and lack of reproducibility compared to code golfing.
Avoid relying solely on simple logit probability for evaluation, as it can be unstable and problematic, especially in sensitive domains.
Be wary of frameworks with hidden internal prompts that reduce transparency and reproducibility.

Common Questions

Prompt injection occurs when both developer and user inputs are present in a prompt, and the user input overrides the developer's instructions. Jailbreaking, conversely, happens when only user input is involved, without any developer instructions being present.

Topics

Mentioned in this video

Software & Apps
GPT-3

An earlier large language model that Sander Schulhoff used for a translation task, marking his first introduction to prompting.

Prompts Layer

Mentioned as a specialized tool for prompt engineering.

GPT-4 Turbo

Mentioned as an example of a powerful but costly model, with pricing information provided ($5 per million input tokens).

MLU

A benchmark used to test the efficacy of role prompting, where Sander's experiments showed the 'idiot prompt' outperformed the 'genius prompt'.

Yudo

An AI music generation tool that Sander has used and found impressive, especially its voice output.

Sora

A text-to-video generation model that Sander has not yet had hands-on experience with but notes the difficulty in prompting for specific animations.

LearnPrompting.org

A website and resource created by Sander Schulhoff to consolidate information about prompting techniques, which gained significant popularity and continues to be supported.

arXiv

The platform where the Prompt Report was initially published, receiving millions of views and significant engagement from the AI community.

WizardLM

Associated with the Evol Instruct paper and researchers who have made advancements in training LLMs.

Gen 3

A video generation model that Sander found difficult to prompt for precise animations, highlighting the complexity of multimodal prompting.

OpenAI Playground

Sander's go-to tool for prompt engineering over the last couple of years.

Human Loop

Mentioned as a specialized tool for prompt engineering.

Google Cloud

Researchers from Google are working on video models, an area of interest for future developments in multimodal AI.

DSPY

A Python library for programmatically optimizing LLM calls, recommended by Sander for its efficiency and ease of use in prompt engineering, often outperforming manual efforts.

Prompt Fu

Mentioned as a specialized tool for prompt engineering.

GPT-4 Turbo Mini

A smaller, more cost-effective version of GPT-4 Turbo, priced at $0.15 per million input tokens, useful for tasks where multiple calls can be cheaper than one large call.

ChatGPT

Used as a benchmark for prompt injection attacks in the Hack prompts competition and as a tool for generating paper drafts (though cautioned against for full paper generation).

Llama 3

A recent model release mentioned in conjunction with papers like Orca and Evol Instruct, relevant to training Chain of Thought into models.

Sunno

An AI music generation tool that Sander has used and is impressed by, particularly its voice capabilities.

LangChain

A framework mentioned in the context of structured output prompting.

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