Hard Fork AI OpenAI Launches ChatGPT 5.4
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Mar 6, 2026 A walkthrough of ChatGPT 5.4’s new professional-focused variants and massive one‑million-token context window. Discussion of token efficiency, speed and cost improvements compared to prior models. Coverage of coding and knowledge-work benchmark gains and desktop automation success rates. Exploration of steerability, mid-response prompting, and enhanced online research capabilities.
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GPT 5.4 Designed For Professional Scale
- GPT 5.4 Thinking and GPT 5.4 Pro target professional workflows with larger scale and faster, more token-efficient performance.
- The API supports up to a one million token context window, lowering costs versus GPT 5.2 and enabling huge-document and large codebase work.
Context Window And Token Efficiency Drive Coding Gains
- Bigger context and token efficiency make GPT 5.4 especially valuable for coding and long-running workflows.
- Jaeden highlights cost and speed improvements over GPT 5.2 that reduce runtime costs and accelerate developer tasks.
Using An AI Sidebar To Configure Google Cloud
- Jaeden recounts using Anthropic's Claude browser extension to automate complex Google Cloud setup without coding knowledge.
- The agent clicked through UI, implemented backend changes, and got his software functioning faster than watching tutorials.