GPT-5 is here. Now what?

MIT Technology Review - AI
Aug 7, 2025 17:00
Grace Huckins
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airesearchtechnology

Summary

OpenAI has launched GPT-5, merging its flagship and reasoning models into a unified system that dynamically selects between fast, nonreasoning and slower, reasoning responses. This release, now accessible via the ChatGPT web interface, streamlines user experience and signals a significant step toward more adaptive and efficient AI interactions.

At long last, OpenAI has released GPT-5. The new system abandons the distinction between OpenAI’s flagship models and its o series of reasoning models, automatically routing user queries to a fast nonreasoning model or a slower reasoning version. It is now available to everyone through the ChatGPT web interface—though nonpaying users may need to wait…