Model decision surface
Compare AI models
Start with Gemini 3.1 Pro Preview and Grok 4.6, 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.
Current public data
Gemini 3.1 Pro Preview vs Grok 4.6
Live dataset updated 8/17/2026, 11:13:20 PM UTC
Open 1200×630 evidence receipt| Field | Gemini 3.1 Pro Preview | Grok 4.6 xAI |
|---|---|---|
| ModelCap position | #7 | #10 |
| Index score | 78.2 | 74.4 |
| Evidence | Measured4 public benchmark observations across 4 boards | Measured5 public benchmark observations across 5 boards |
| Input / 1M | $2.00 | $2.00 |
| Output / 1M | $12.00 | $6.00 |
| Pricing status | fresh | fresh |
| Context | 1M | 500K |
| Providers | 2 | 1 |
| Weight access | API only | API only |
Decision facts
- Gemini 3.1 Pro Preview is #7; Grok 4.6 is #10 on the same current language board.
- Index scores are 78.2 for Gemini 3.1 Pro Preview and 74.4 for Grok 4.6.
- Both positions use Measured evidence.
- Listed output price per 1M tokens is $12.00 for Gemini 3.1 Pro Preview and $6.00 for Grok 4.6.
- Published context is 1,048,576 tokens for Gemini 3.1 Pro Preview and 500,000 for Grok 4.6.
- ModelCap currently lists 2 providers for Gemini 3.1 Pro Preview and 1 for Grok 4.6.
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.