GPT-5.4 Is Here: Everything Developers and Builders Need to Know

OpenAI just dropped GPT-5.4 — and it's not just another incremental update. Released on March 5, 2026, this model combines frontier coding capabilities, native computer-use, and a 1M token context window into a single package designed for professional work. If you build apps, automate workflows, or run AI-powered businesses, here's exactly what changed and why it matters. TL;DR — What's New in GPT-5.4 Feature GPT-5.4 GPT-5.2 (Previous) Computer Use Native — operate desktops, browsers, apps Not available Context Window Up to 1M tokens 128K–256K Tool Search 47% fewer tokens for tool-heavy workflows All tools loaded upfront Knowledge Work (GDPval) 83.0% (matches/exceeds professionals) 70.9% OSWorld (Desktop Use) 75.0% — surpasses human performance (72.4%) 47.3% Coding (SWE-Bench Pro) 57.7% 55.6% API Pricing (Input) $2.50/M tokens $1.75/M tokens API Pricing (Output) $15/M tokens $14/M tokens 1. Native Computer Use — The Headline Feature GPT-5.4 is OpenAI's first general-purpose model with