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ZDNET’s key takeaways
- GPT-5.1 speeds up coding with adaptive and no-reasoning modes.
- New prompt caching cuts API costs for embedded app developers.
- New tools make AI agents more capable inside modern IDEs.
OpenAI is back with a new 5.1 update to its previous GPT-5 large language model. GPT-5 was introduced in August, which is decades ago in AI’s time warp-speed version of our universe.
OpenAI is, of course, using AI to…

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