OpenAI launches GPT-5.4: New model hits 83% on pro-level knowledge benchmark
interestingengineering.com
March 6, 2026
4 min read
Summary
OpenAI has launched GPT-5.4, a foundation model designed for professional and technical tasks, achieving 83% on a pro-level knowledge benchmark. The update features context windows of up to one million tokens and introduces native computer-use capabilities for AI agents, enhancing reasoning, coding, and workflow automation.
Key Takeaways
- OpenAI launched GPT-5.4, achieving an 83% score on the GDPval benchmark for knowledge work tasks and posting record results on computer-use benchmarks OSWorld-Verified and WebArena Verified.
- The model supports context windows of up to one million tokens and includes native computer-use capabilities, allowing AI agents to interact with software and execute complex workflows.
- GPT-5.4 is reported to be 33% less likely to produce errors in individual claims compared to GPT-5.2, with overall responses being 18% less likely to contain factual mistakes.
- OpenAI introduced a new system called Tool Search to reduce token usage and speed up responses by allowing the model to look up tool definitions only when needed.
Source
interestingengineering.com
Published
March 6, 2026
Reading Time
4 minutes
Relevance Score
46/100
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