ChatGPT Plus pricing – value analysis
ChatGPT Plus costs $20 a month, and for that fee OpenAI gives you priority access to its strongest consumer models, higher usage limits across text, image and voice, and features…
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OpenAI
23 articles
ChatGPT Plugins – ecosystem analysis
When OpenAI opened ChatGPT Plugins to all Plus subscribers in May 2023, it framed them as an app store moment for conversational AI: third-party services would plug into the…
ChatGPT Atlas – the OpenAI browser explained
ChatGPT Atlas is OpenAI's web browser with ChatGPT built into the chrome itself rather than bolted on as an extension. It puts a conversational assistant alongside every page you…
OpenAI embedding models – text-embedding-3 explained
OpenAI's text-embedding-3 family is the default embedding API for most teams building retrieval and search today, and it exists in two variants: text-embedding-3-small, which…
Sam Altman profile – OpenAI leadership
Sam Altman runs the company that put generative AI in front of hundreds of millions of people, and he nearly lost it over a long weekend in November 2023. He was president of Y…
Is ChatGPT private – data and conversation privacy
ChatGPT is not private by default in the way most people assume. As of early 2025, OpenAI's privacy policy states that conversations you have with ChatGPT on the free and paid…
How to tell if something was written by ChatGPT
There is no reliable way to prove a passage was written by ChatGPT. That is the honest starting point, and everything else in this article follows from it. Automated detectors…
Microsoft and OpenAI – the partnership analyzed
The relationship between Microsoft and OpenAI is the most consequential commercial pairing in artificial intelligence, and also one of the most misunderstood. Microsoft does not…
ChatGPT API – authentication and pricing
Two things confuse newcomers to OpenAI's platform more than any others: the difference between the ChatGPT product and the API behind it, and how you actually pay for what you…
OpenAI Agent Builder analyzed
OpenAI's Agent Builder is a visual, no-code interface for assembling agentic workflows, introduced at DevDay as a canvas-based layer sitting on top of the OpenAI Agents SDK. It…
How accurate is ChatGPT – reliability analysis
ChatGPT is accurate on well-trodden ground and unreliable on specifics. On common knowledge, standard programming patterns, and summarising text you hand it, it produces correct…
GPT-5 release timeline and expectations
As of early 2025, GPT-5 is not a shipped product with a public release date. What exists is a pattern of statements from OpenAI and its chief executive Sam Altman, a…
ChatGPT image generator – the DALL-E integration
The image generator inside ChatGPT is not a single thing but a lineage. It began as a bolt-on: OpenAI wired DALL-E 3 into the chat interface in late 2023, so a prompt typed into…
Is ChatGPT bad for the environment – energy analysis
The honest answer is that ChatGPT is neither an environmental catastrophe nor a free lunch. Training a frontier model consumes an enormous, concentrated burst of energy –…
OpenAI IPO, stock and corporate valuation
You cannot buy OpenAI stock. As of early 2026, OpenAI is a privately held company with no publicly traded shares, no ticker symbol and no initial public offering scheduled or…
ChatGPT 4 and 4o versions – disambiguation
The short answer, for anyone lost in the version numbers: as of early 2025, OpenAI's GPT-4 family splits into two threads. There is the GPT-4 line proper – GPT-4, GPT-4 Turbo,…
OpenAI Codex CLI – the agentic coder analyzed
OpenAI Codex CLI is a terminal-based coding agent that reads your codebase, plans a change, edits files directly, runs commands, and checks its own work – all from the command…
OpenAI o-series – reasoning models lineage explained
OpenAI's o-series is the company's line of reasoning models: systems built to spend compute thinking through a problem before they answer, rather than producing the most fluent…
How to use ChatGPT – effective prompting
Most guides to ChatGPT teach you which buttons to press. The harder question, and the one that separates a frustrating tool from a genuinely useful one, is what the system is…
ChatGPT Voice Mode explained
When you tap the waveform icon in the ChatGPT app and start talking, you are using the closest thing the mainstream market has produced to a digital human you can hold a…
GPT – what the acronym means and the architecture
GPT stands for Generative Pre-trained Transformer. Each word does specific work: generative because the model produces output rather than just classifying input; pre-trained…
OpenAI – the company, models, and ecosystem
OpenAI is the artificial intelligence research and deployment company behind ChatGPT, the GPT model family, the OpenAI API, Sora, Codex, and the gpt-image and Whisper lines.…
ChatGPT – the product, capabilities, and limits
ChatGPT is OpenAI's consumer-facing conversational AI product, distinct from the underlying GPT models and from the developer-facing OpenAI API. As of May 2026, it serves roughly…