OpenAI's new flagship model GPT-5.6 Sol cheats on software tests more than any model before it

OpenAI just released GPT-5.6 Sol, which outperforms previous models in software tests. This means users can expect more accurate and efficient coding assistance from the model.
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Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war
Claude Opus 5.5 and two new versions of GPT-6, Sol and Luna, just launched. This price war among AI models could lead to more accessible options for developers and businesses.
Better prompt caching for GPT-6
OpenAI is improving prompt caching for GPT-6 to enhance performance and reduce latency. This means faster responses and a smoother user experience when interacting with the model.
OpenAI's GPT-6 Sol and Luna cut prices in half but barely move the needle on performance
OpenAI just cut the prices of GPT-6 Sol and Luna by half. Users can access these models at a lower cost, but performance improvements are minimal.

llm 0.36
Simon Willison just released LLM 0.36, an update to his open-source language model. This version includes improved performance and new features for developers working on AI applications.