Author

Luxshan Thavarasa

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Preprint Aug 2026

Test, then Route: How Language Models Execute In-Context Conditional Rules Across Models and Languages

Under every probe the authors ran, the router direction is token-bound and non-transferable (largely answer-readout in Gemma, pair-specific in Qwen) rather than an abstract routing module, so test is modular; under these probes, route is not.

Luxshan Thavarasa, Sivasuthan Sukumar · 1 citation