GPT‑5 is here - OpenAI
GPT‑5 produces higher-quality responses by using your company’s files and connected apps like Google Drive, SharePoint, and more, while respecting existing permissions.
Introducing GPT‑5.2 - OpenAI
Dec 11, 2025 · GPT-5.2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision. Use it in ChatGPT and the …
Introducing ChatGPT - OpenAI
Nov 30, 2022 · We performed several iterations of this process. ChatGPT is fine-tuned from a model in the GPT‑3.5 series, which finished training in early 2022. You can learn more about the 3.5 series …
GPT‑5.1: A smarter, more conversational ChatGPT - OpenAI
Nov 12, 2025 · We’re upgrading the GPT-5 series with warmer, more capable models and new ways to customize ChatGPT’s tone and style. GPT-5.1 starts rolling out today to paid users.
Using GPT-5.4 | OpenAI API
Learn about how to use and migrate to GPT-5.4 and the GPT-5 model family, the latest models in the OpenAI API.
Introducing GPT‑5.4 - OpenAI
Mar 5, 2026 · Today, we’re releasing GPT‑5.4 in ChatGPT (as GPT‑5.4 Thinking), the API, and Codex. It’s our most capable and efficient frontier model for professional work. We’re also releasing GPT‑5.4 …
GPT‑5.3 Instant: Smoother, more useful everyday conversations
Mar 3, 2026 · GPT‑5.3 Instant significantly reduces unnecessary refusals, while toning down overly defensive or moralizing preambles before answering the question. When a useful answer is …
GPT-5 Model | OpenAI API
Aug 7, 2025 · Not supported Video Not supported ... v1/chat/completions ... v1/responses Realtime v1/realtime
GPT‑5 System Card - OpenAI
Aug 7, 2025 · We’ve made significant advances in reducing hallucinations, improving instruction following, and minimizing sycophancy, and have leveled up GPT‑5’s performance in three of …
GPT-5 Chat Model | OpenAI API
Not supported Video Not supported ... v1/chat/completions ... v1/responses Realtime v1/realtime