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Engineering

Study compares RL design choices for agentic reasoning

Published on October 19, 2025, the study examines data, algorithms, and reasoning modes for training agentic LLMs. Its preview highlights a comparison between concatenated synthetic trajectories and real end-to-end tool-use trajectories.

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Engineering

Router-R1 coordinates multiple models with RL

Published on October 18, 2025, the account presents Router-R1 as a reinforcement learning approach that alternates between reasoning and calls to multiple LLMs. It reports results on seven question-answering benchmarks.

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Engineering

LongCat-Audio-Codec for Speech LLMs

On October 17, 2025, Meituan released an open-source tokenizer and detokenizer optimized for Speech LLMs, featuring parallel tokens and a low-latency streaming decoder.

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Engineering

Open-source RLM for long contexts

A Python implementation of Recursive Language Models keeps long inputs in a Python REPL for analysis and reports support for more than 100 LLM providers through LiteLLM.

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Engineering

RLMs explore long prompts through a REPL

A publication dated October 15, 2025 describes Recursive Language Models, which interact recursively with very long prompts through a REPL, and reports results on the OOLONG and BrowseComp-Plus benchmarks.

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Engineering

Circuits help predict reasoning errors

Published on October 13, 2025, the report presents an approach that analyzes models’ internal circuits to predict incorrect reasoning and reports results on arithmetic tasks.

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Engineering

Study compares attention levels in 13 LLMs

Experiments reported with 13 LLMs found the best result at 17% attention, equivalent to two of 12 layers. The comparison may inform architecture choices, but does not establish a universal rule.

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