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Decision facts

• Nemotron 3 Nano 30B A3B is #168; gpt-oss-20b is #161 on the same current language board.
• Index scores are 23.7 for Nemotron 3 Nano 30B A3B and 28.0 for gpt-oss-20b. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.
• Both positions use Measured evidence.
• Listed output price per 1M tokens is $0.20 for Nemotron 3 Nano 30B A3B and $0.13 for gpt-oss-20b. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.20 for Nemotron 3 Nano 30B A3B versus $0.13 for gpt-oss-20b. gpt-oss-20b costs 37.5% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.
• Published context is 262,144 tokens for Nemotron 3 Nano 30B A3B and 131,072 for gpt-oss-20b.
• Weight access differs: Nemotron 3 Nano 30B A3B is restricted; gpt-oss-20b is open.
• ModelCap currently lists 4 providers for Nemotron 3 Nano 30B A3B and 13 for gpt-oss-20b.

These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.