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OpenAI
Articles mentioning OpenAI. A growing collection across our topics.
21 stories

What is a large language model?
How the system behind AI assistants learns and writes its answers.

What are AI agents? How they plan and use tools
How agents choose steps, use tools and where their limits lie.

Open vs. closed AI models: what the difference means
What “open” really means, and how to choose between the two.

Claude vs. ChatGPT vs. Gemini: choosing an assistant
Three assistants compared on price, context, tools and data terms.

ChatGPT review: everyday work and limitations
ChatGPT's plans, features and documented shortcomings for everyday work.

How reasoning models work, and what changes
Why some models think before answering, and what it costs you.

Context windows explained: what fits and what gets lost
What fills a model's working space, and what gets overlooked.

AI hallucinations explained: why plausible answers fail
Why models make confident errors, and the checks that catch them.

Claude vs. ChatGPT for long-document work
Which assistant handles long reports and contracts, and how.

ChatGPT vs. Gemini for spreadsheet analysis
Which assistant shows its working on spreadsheet analysis.

How to judge a new AI model release
A checklist for reading launch posts, scores and system cards.

Build your first AI agent without code
Design one small, supervised agent, step by step.

AI agent vs. AI workflow: how to choose
The real difference is who decides the next step.

Build a research agent with source verification
An agent that drafts briefs in which every claim is sourced.

What AI agent platforms disclose about permissions
Ten agent platforms' permission documentation, read against ten criteria.

Perplexity vs. ChatGPT for research
Two cited-answer tools compared on sources, control, price and data.

Best AI research tools for evidence-led work
Seven research tools sorted by job, sources and cost.

Build an AI voiceover workflow with review
A reviewed process for synthetic narration you can stand behind.

Best AI image generators for creator workflows
Seven image tools compared on cost, ownership and legal cover.

How to spot AI-generated content: signals and limits
Why visual tells fail, and four origin checks that work better.

AI detectors vs. content credentials
Detectors guess; credentials record. Why the difference matters.