Benchmarks I build Atlarix , an agent workstation for open-weight models. The core claim behind it is that the harness — retrieval, tool surface, control loop — is what lets an open-weight model perform, not just the model's raw weights. This post is me trying to falsify that claim with a controlled run, and publishing every output file so you can check it. Short version: on Terminal-Bench 2.0, single attempt, Atlarix resolved 42/89 and opencode resolved 39/89 on the same model. Tha...