GPT-5.4
2026 large language model by OpenAI
From Wikipedia, the free encyclopedia
GPT-5.4 (Generative Pre-trained Transformer 5.4) is a large language model (LLM) released by OpenAI on March 5, 2026.[1]
| GPT-5.4 | |
|---|---|
| |
| Developer | OpenAI |
| Initial release | March 5, 2026 |
| Predecessor | GPT-5.2 |
| License | Proprietary |
| Website | openai |
OpenAI released the model in two primary variants: GPT-5.4 Thinking and GPT-5.4 Pro. Neither is available to free-tier users.[1]
In technical benchmarks, OpenAI reported a 33% reduction in factual errors compared to GPT-5.2.[1] Performance improvements were focused on professional workflows.[2][1]
