GPT-5.4 Thinking Breakthrough: AI Agents Exceed Human Baseline in Desktop Automation
product#agent🏛️ Official|Analyzed: Apr 7, 2026 20:29•
Published: Apr 7, 2026 10:54
•1 min read
•Qiita OpenAIAnalysis
This article offers a fascinating glimpse into the future of autonomous AI Agents with the release of OpenAI's GPT-5.4 Thinking model. The achievement of surpassing the human baseline on the OSWorld-V benchmark is a significant milestone, suggesting that AI is becoming capable of handling complex, real-world desktop tasks with superhuman efficiency. The detailed breakdown of the new reasoning.effort parameter provides developers with an exciting toolkit for optimizing performance and cost.
Key Takeaways
- •GPT-5.4 Thinking scored 75.0% on OSWorld-V, surpassing the human baseline of 72.4%.
- •A new 'reasoning.effort' parameter allows developers to control inference depth across five levels (none to xhigh).
- •The model supports a context window of up to 1 million tokens, enabling long-horizon autonomous tasks.
Reference / Citation
View Original"GPT-5.4 Thinking is a reasoning-focused flagship model... achieving 75.0% on the desktop automation benchmark OSWorld-Verified, surpassing the human baseline of 72.4%."