Latest
Running a harness on frontier models, part 2: Codex
On two SWE-bench Verified tasks, GPT-5.6 Sol resolved 4/4 runs in each condition, with and without the legacy WIGTN harness. The harness increased median wall time by 151.7%, output tokens by 141.2%, and command count by 32.0%. We used this result to redesign WIGTN around selective, task-dependent intervention.




