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Advanced Reasoning

90 summarised stories about Advanced Reasoning, each linking back to the original source. Browse all topics →

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Saturday, 1 August 2026

Ten advances in mathematics and theoretical computer science

Simon Willison's Weblog 2 months ago 20 ● 9 sources

OpenAI used an internal version of its next major model to find solutions to ten mathematical problems that had seen no progress for at least a decade, spending less than $2,000 per problem on token costs. The company published Lean 4 formalizations of the results, a paper describing the solutions, and an LLM-generated PDF reconstructing the proofs from reasoning traces. This demonstrates AI's potential to handle technical mathematical work at scale, aligning with mathematician Terence Tao's vision of "big mathematics" as a human-AI collaboration where machines handle technical tasks while humans focus on creative aspects.

Kimi K3: The Complete Developer Guide

Together AI 2 months ago 57 ● 33 sources

Moonshot AI released Kimi K3, a 2.8-trillion-parameter open-weights model now available on Together AI's API with support for 1M context length, reasoning modes, vision, and tool use. The model uses novel architectures including Kimi Delta Attention for long contexts and Stable LatentMoE for sparse expert routing, activating only 16 of 896 experts per token. Developers can now build production applications with OpenAI-compatible API calls, configurable reasoning depth, streaming, structured output, and automatic context caching.

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