What changed

Failed gates remove reward. Diagnostics guided skill and MCP-description changes with model and harness fixed.

Source: NVIDIA Technical Blog Siemens NeMo Gym case study

Our analysis

Builder’s view: for a website agent, check the deployed page and links rather than its completion message. Compare accepted outputs before optimising tool-call counts.

Keep in mind

Small vendor development benchmark, not general reliability evidence; we have not reproduced it.

Source: NVIDIA Technical Blog Siemens NeMo Gym case study

Sources & dates

Article updated: 15 Oct 2026

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