GPT-5.4 Honest Review: Million-Token Context, Computer Use & Real Tests (March 2026)

Original author：AI Tools That Work

Original source：https://www.youtube.com/embed/d93jwWsfsT8

GPT-5.4 claims 83% superhuman performance. But does it actually help with YOUR work? After 3 weeks of real-world testing on client projects, here's what the benchmarks don't tell you—and whether your $20/month just got more valuable. OpenAI's March 2026 release brings a million-token context window (750,000 words in one conversation), native computer use for GUI automation, and unified coding capabilities. We tested GPT-5.4 on actual client work: 42,000 lines of legacy Python, legal document analysis, expense report automation, and head-to-head comparisons with Claude and Gemini. The results? Mixed. Long-context code analysis found bugs in 30 seconds that would take hours manually. Computer use worked flawlessly for expense reports but struggled with custom scheduling interfaces. Claude still writes more natural prose. The $20/month ChatGPT Plus subscription includes full access—but is it worth switching from what already works? The images and illustrations in this video are generated using artificial intelligence for illustrative purposes only, to help viewers imagine the story being told. They are not intended to represent actual persons, living or dead, or real situations. No misrepresentation of any individuals or events is intended. This episode was produced with the assistance of artificial intelligence, including script research, narration, and visual production. Subscribe for new episodes daily. Listen on podcast platforms: https://podslice.co/ai-tools-that-work Sources & References: - Introducing GPT-5.4 - OpenAI Official Announcement: https://openai.com/index/introducing-gpt-5-4/ - GPT-5.4 Review: Features, Benchmarks & Access (2026): https://www.buildfastwithai.com/blogs/gpt-5-4-review-benchmarks-2026 - GPT-5.4 and the March 2026 ChatGPT Upgrade Cycle - AI Critique: https://www.aicritique.org/us/2026/03/16/gpt-5-4-and-the-march-2026-chatgpt-upgrade-cycle-official-release-media-narratives-and-real-world-reactions/ - ChatGPT Review 2026: Pricing, Pros & Cons, GPT-5.4 Tests: https://saascrmreview.com/chatgpt-review/ - GPT-5.4 Review: 1M Context, 83% Superhuman Tasks - OpenAI Tools Hub: https://www.openaitoolshub.org/en/blog/gpt-5-4-review - GPT-5.4 Complete Guide: Features, Benchmarks, Pricing - ALM Corp: https://almcorp.com/blog/gpt-5-4/ GPT-5.4 is an artificial intelligence language model developed by OpenAI and released on March 5, 2026. It represents OpenAI's first simultaneous release across ChatGPT consumer products, developer API, and Codex coding tools. Key specifications include a 1,000,000 token context window, native computer use capabilities processing up to 10.24 million pixels for GUI manipulation, and benchmark performance of 75% on OSWorld-Verified (exceeding human professional baseline of 72.4%). API pricing is $2.50 per million input tokens and $20.00 per million output tokens. ChatGPT Plus subscription ($20/month) provides consumer access. The model competes directly with Anthropic's Claude Opus 4.6 and Google's Gemini 3.1, all released in early 2026 with comparable pricing and context windows. #GPT54 #ChatGPT #AITools #OpenAI #TechReview