The Communication Bottleneck: A Round-Trip Study of Tree-Structured Expression Serialization in Language Models

When language models reason in chain-of-thought or exchange free-text intermediates, they serialize structured information into natural language. How much tree-structured compositional content survives this bottleneck? We propose a round-trip protocol that answers this question empirically for tree-structured expressions. A generator converts a procedurally generated arithmetic expression into a word problem, a separate extractor recovers the …

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Amazon Bedrock expands Claude model availability to in-country inferencing in India

We’re excited to announce the availability of Anthropic’s Claude Opus 5, Claude Sonnet 5, and Claude Haiku 4.5 in India. The India regional endpoint is served through geographic cross-Region inference. Customers in India can now access these models on Amazon Bedrock while processing the data in the India Regions in addition to the already supported …

Vlo 0.3 – An open source, extensible video editor and generator designed for AI compositing.

Hey all, vlo is open source video editing and generation software. It is designed for interactivity between generative AI and the timeline, so you can inpaint anywhere on the timeline, extract frames and videos to use as references, use SAM2 for video masking and sam-audio for stem extraction etc. It comes with built-in workflows for …