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Gemini 3.1 Pro Preview vs Grok 4.5

Grok 4.5 is cheaper on output tokens, while Gemini 3.1 Pro Preview offers a larger context window. Choose Gemini 3.1 Pro Preview or Grok 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

SpecGemini 3.1 Pro PreviewGrok 4.5
ProviderDaoXEDaoXE
Input / 1M tokens$2.00$2.00
Output / 1M tokens$12.00$6.00
Context window1M500K
Parameters——
Open weightsNoNo
ReleasedFeb 2026Jul 2026

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.