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Sources and maintenance
This course is intentionally vendor-neutral. Model and product behavior changes, so learners should consult current documentation for the tool and model they use. The sources below were checked during the substantive review completed September 15, 2026. Provider interfaces and policies may change; check the current information for your account before use.
The RayAI Standard v2.3
RayAI Product and Services Brand Guidelines v2.3.1
OpenAI - Prompt engineering
OpenAI - Reasoning best practices
OpenAI - Model optimization
Anthropic - Prompting best practices
Google AI for Developers - Prompt design strategies
NIST AI 600-1 - Generative Artificial Intelligence Profile
OWASP GenAI Security Project - Prompt Injection
Publication, ownership and limits
Published by RayAI LLC.
Prepared and published by RayAI LLC. Accountable course owner: Ajay Ray, Founder & CEO. Learning identity: RayAI Open AI Learning | Trust-First AI Literacy.
Title: Prompt Engineering Essentials. Description: A free, practical, self-guided course to strengthen prompting, verification, privacy, responsible-use and human-judgment practices for work, business, learning and everyday tasks.
Version: v1.0. Last substantively reviewed September 15, 2026.
Prompt Engineering Essentials is free to access. It is a learning resource, not a certification, professional qualification, professional advice, or guarantee of outcomes. Time estimates are planning ranges, not measured completion promises.
For corrections, use the RayAI contact page, naming the module, section and issue. Do not include private practice inputs. The owner reviews material errors and records substantive corrections.
Additional connection references: Google Account guidance on third-party access illustrates permission review and retained data; OWASP guidance on excessive agency explains risks from excessive access and actions. These are references, not claims that every provider behaves alike.
Correction and update policy
Correct material errors when found and record substantive changes.
Update examples or guidance when a model, product, security risk, authoritative source, or RayAI governing document changes materially.
Do not refresh publication or review dates without substantive review.
Distinguish facts, RayAI practices, illustrative examples, and opinion in public presentation.
Invite corrections through the RayAI website contact page.
Course version
| Version | Date | Status | Content |
|---|---|---|---|
| 1.0 | September 15, 2026 | Current version | Includes privacy checkpoints, connected-service decisions, path-specific assessments and capstones, and aligned website and offline learning content. |