OpenAI’s GPT-5.4 is the company’s latest iteration of its flagship AI model. But you might be wondering:
GPT-5.4 is already on Overchat AI, and you can start chatting with the new model here.
Read on to understand what changed.
GPT-5.4 is a large language model released by OpenAI on March 5, 2026 designed primarily for professional work.
OpenAI describes it as its most capable and efficient frontier model for professional tasks, combining reasoning, coding, and computer-use abilities in one system.
The model introduces several major improvements:
For those working with AI agents, GPT-5.4 also expands OpenAI’s push toward AI systems that can work autonomously for long periods of time. This is enabled through native computer use.
The model comes in two main configurations:
Most people will be using GPT-5.4 Thinking, the Pro version is for power users and enterprises.
GPT-5.4 is a better AI model compared to GPT-5.2, as it’s an iterative upgrade.
According to OpenAI benchmarks, GPT-5.4 performs at or above expert level across a wide range of real-world tasks.
For example:
These benchmarks measure the ability of AI systems to produce real deliverables such as spreadsheets, presentations, or scheduling workflows.
Compared with GPT-5.2:
Another key improvement is efficiency.
The new Tool Search system reduces token usage by 47% in complex workflows where many tools are available.
Below are some of the most notable benchmark results reported for GPT-5.4:
So what makes this model the best OpenAI has ever released? Let’s talk about its main features.
The most important addition in GPT-5.4 is the fact that it can now natively use computers This means the model can:
On the OSWorld-Verified benchmark, which measures the ability to control a computer interface, GPT-5.4 achieved 75% accuracy, outperforming the human baseline of 72.4%.
GPT-5.4 supports up to two million tokens of context through the API and Codex platform. This is double the one million tokens supported by the previous model with the largest token window: GPT 4.1. GPT 4.1 was primarily a coding model and quickly became obsolete.
Earlier GPT-5 models could handle only hundreds of thousands of tokens, not even a million.
A two-million-token context enables AI systems to process:
The result is better long-horizon reasoning and planning.
And here’s how the new model compares against other frontier AI:
Google’s Gemini 3.1 Pro is one of the strongest competitors to OpenAI's GPT-5.4, particularly in reasoning and long-context tasks. However, across most benchmarks, GPT-5.4 slightly outperforms its Google competitor, and in several, it outperforms it by a large margin. Based on benchmark performance alone, GPT-5.4 is a superior model.
Anthropic’s Claude Opus 4.6 is believed by many people to be the world’s best AI model for coding. In particular, many developers strongly prefer it to OpenAI offerings. Are the tables about to be turned? It certainly seems that way, at least according to these benchmarks:
OpenAI also introduced new API pricing for GPT-5.4.
One other thing worth keeping in mind when discussing the cost of GPT-5.4 is that there are several features that reduce the total cost. Tool Search is a feature that allows the model to selectively load information about available tools. This reduces total token usage, so while the per-token price may be higher, the difference may not be noticeable in actual usage.
GPT-5.4 was released on March 5, 2026 by OpenAI.
GPT-5.4 is OpenAI’s best AI model. It’s designed for professional work, automation, and agentic work. The biggest additions are native computer use, improved reasoning benchmarks, and a 1-million-token context window.
GPT-5.4 is currently available through Overchat AI, ChatGPT paid tiers and the OpenAI API.
GPT-5.4 is the best AI model from OpenAI and a big step toward agentic AI systems that can perform real-world work by themselves. Compared to GPT-5.2, the new model offers:
In short, GPT-5.4 is designed to make AI much more useful for complex real-world tasks.
