https://nixbench.com/ 2026-07-12 https://nixbench.com/results.html 2026-07-12 https://nixbench.com/docs/benchmark-design.html 2026-07-12 https://nixbench.com/docs/running-agents.html 2026-07-12 https://nixbench.com/docs/task-format.html 2026-07-12 https://nixbench.com/docs/authoring.html 2026-07-12 https://nixbench.com/docs/scoring.html 2026-07-12 https://nixbench.com/docs/reproducibility.html 2026-07-12 https://nixbench.com/docs/research-derived-tasks.html 2026-07-12 https://nixbench.com/docs/runs/2026-06-24-model-comparison.html 2026-07-12