GPT-5.4
Overview
GPT-5.4 is a large language model developed by OpenAI, released on March 5, 2026. It integrates advanced reasoning capabilities with enhanced coding proficiency, unifying the Codex and GPT lines into a single system. The model supports multimodal inputs, including text and images, and offers a context window of up to 1 million tokens, facilitating complex tasks that require extensive context. Notably, GPT-5.4 introduces native computer-use capabilities, achieving a 75% score on OSWorld-Verified benchmarks, surpassing the human baseline of 72.4%. This advancement positions GPT-5.4 as a competitive option for professional applications requiring high-context reasoning and coding tasks. In terms of pricing, GPT-5.4 is available through OpenAI's API at $2.50 per million input tokens and $15.00 per million output tokens. For developers needing maximum performance on complex tasks, GPT-5.4 Pro is offered at $30.00 per million input tokens and $180.00 per million output tokens. The model's extensive context window and improved token efficiency make it suitable for applications in coding, document understanding, and complex multi-step workflows. While GPT-5.4 offers significant advancements over its predecessors, its pricing and resource requirements may be considerations for users evaluating its adoption. GPT-5.4's release marks a significant step in OpenAI's development of models that combine reasoning and coding capabilities within a unified framework. Its multimodal input support and large context window address the growing demand for AI systems capable of handling complex, context-rich tasks. The model's performance on benchmarks like OSWorld-Verified underscores its potential for professional applications, though users should consider its pricing structure in relation to their specific use cases.