Large Language Models
Apr 23, 2026
OpenAI launches GPT-5.5, emphasizing rapid AI development and improved capabilities
Apr 23, 2026
AI Summary
OpenAI has introduced its latest AI model, GPT-5.5, to paid subscribers just six weeks after GPT-5.4. This rapid release highlights the competitive landscape among AI labs and aims to reinforce OpenAI's position in the market amid concerns about its consumer traction.
- OpenAI released GPT-5.5 to paid subscribers, marking a quick turnaround from the previous model, GPT-5.4, released six weeks earlier.
- The company reported 4 million active Codex users and 9 million paying business users on ChatGPT, with over 900 million weekly active users and more than 50 million subscribers.
- OpenAI president Greg Brockman described GPT-5.5 as a significant advancement in AI, capable of handling complex tasks with less guidance and improved intuitiveness.
- Brockman noted that GPT-5.5 is more efficient, requiring fewer tokens for processing compared to GPT-5.4, which could benefit both businesses and consumers.
- The Bank of New York has been testing GPT-5.5 and reported improvements in response quality and reduced hallucination rates, which are crucial for accuracy in regulated environments.
- The bank aims to leverage these enhancements to scale its AI applications across over 220 use cases in financial services.
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