OpenAI has released GPT-5.5, an updated model that shows improvements in coding, tool usage, and token efficiency, making it more suitable for enterprise applications. While GPT-5.5 demonstrates faster code generation and fewer security vulnerabilities compared to previous versions, it still lags behind Anthropic's Claude Opus 4.7 in areas such as concurrency bug avoidance and providing more useful developer comments. The new model is now accessible to various user tiers within ChatGPT and Codex, with specialized Pro and Thinking versions available for higher-tier subscribers. AI
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IMPACT GPT-5.5's improvements in coding and token efficiency could accelerate enterprise adoption of AI for software development tasks.
RANK_REASON This is a significant update to a major AI model, focusing on enterprise adoption and competitive positioning. [lever_c_demoted from significant: ic=1 ai=1.0]
