Mar 5, 2026 · Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.

4 days ago · A version of this article appears in print on , Section B, Page 5 of the New York edition with the headline: OpenAI Unveils Its New, More Powerful Model, and Shares It With Chatbot Users.

8 hours ago · OpenAI’s Newest Flagship, Explained GPT-5.5 is OpenAI’s current top-tier model, released in April 2026. It sits above GPT-5.4 in the product lineup and is built specifically for long …

4 days ago · GPT-5.5 (Generative Pre-trained Transformer 5.5) is a large language model (LLM) released by OpenAI on April 23, 2026. [1][2] The model is also known by its codename "Spud".

Mar 6, 2026 · OpenAI GPT-5.4 is the new mainline reasoning model for professional work. This complete guide covers benchmarks, use cases, pricing, API details, long-context behavior, computer …

Mar 5, 2026 · For models with a 1.05M context window (GPT-5.4 and GPT-5.4 pro), prompts with >272K input tokens are priced at 2x input and 1.5x output for the full session for standard, batch, and flex. …

Mar 5, 2026 · OpenAI has released GPT-5.4, a new AI model the company says is its most capable system to date for professional use. The model combines advanced reasoning, coding, and the …