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Start with Gemma 4 31B and Grok 4.7, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.

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Current public data

Gemma 4 31B vs Grok 4.7

Live dataset updated 9/22/2026, 1:40:35 AM UTC

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Factual comparison of Gemma 4 31B and Grok 4.7
Field	Gemma 4 31B Google	Grok 4.7 xAI
ModelCap position	#28	#4
Index score	71.3	85.0
Evidence	Measured3 public benchmark observations across 3 boards	Measured1 public benchmark observation across 1 board
Input / 1M	$0.09	$1.60
Output / 1M	$0.34	$4.80
Pricing status	fresh	fresh
Context	262K	500K
Providers	12	1
Weight access	Open weights	API only

Decision facts

Gemma 4 31B is #28; Grok 4.7 is #4 on the same current language board.
Index scores are 71.3 for Gemma 4 31B and 85.0 for Grok 4.7. 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 $4.80 for Grok 4.7. 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 $5.60 for Grok 4.7. Gemma 4 31B costs 93.8% 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 500,000 for Grok 4.7.
Weight access differs: Gemma 4 31B is open; Grok 4.7 is none.
ModelCap currently lists 12 providers for Gemma 4 31B and 1 for Grok 4.7.

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

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Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.