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Decision facts

• Gemma 4 31B is #28; GLM 5.3 is #11 on the same current language board.
• Index scores are 71.8 for Gemma 4 31B and 80.0 for GLM 5.3. 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 $0.34 for Gemma 4 31B and $4.40 for GLM 5.3. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $0.35 for Gemma 4 31B versus $5.00 for GLM 5.3. Gemma 4 31B costs 93.0% 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 Gemma 4 31B and 1,048,576 for GLM 5.3.
• Weight access differs: Gemma 4 31B is open; GLM 5.3 is restricted.
• ModelCap currently lists 13 providers for Gemma 4 31B and 32 for GLM 5.3.

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