Source record

Published by Hacker News · Show HN (50+ points) (T2 source). The original is at https://news.ycombinator.com/item?id=49911500.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

Weave Router 2.0 is an open-source model router that plugs into coding agents such as Claude Code or Codex and selects between LLMs per task. The team reports equivalent pass rates to GPT-6 Astra on Terminal Bench 4.0 and SWE Atlas at roughly 52–54% of the cost and 2.2–2.5x faster execution.

Open-source router with self-reported benchmark numbers and concrete architectural notes on RL with priors, training data scaling, and cache-eviction modeling — directly usable for multi-model coding agent setups.

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