AI Hub
← All models

Gemini 3 Flash vs Grok-3

Google vs xAI — benchmarks, pricing, and capabilities side by side.

  • Gemini 3 Flash has the higher intelligence index (90.2 vs 82.6)
  • Gemini 3 Flash is cheaper ($0.50 vs $3.00 per 1M input)
  • Gemini 3 Flash is faster
  • Gemini 3 Flash has a larger context window (1M)
Gemini 3 FlashGrok-3
Intelligence index90.282.6
DeveloperGooglexAI
TypeMultimodalMultimodal
AccessAPI onlyAPI only
Context window1,048,576 tokens128,000 tokens
Input price$0.50 / 1M$3.00 / 1M
Output price$3.00 / 1M$15.00 / 1M
Speed191 tok/s100 tok/s
ReleasedDecember 17, 2025February 17, 2025
Parameters
Input modalitiesText, Image, Audio, VideoText, Image
Output modalitiesTextText

Shared benchmarks

Gemini 3 Flash
Grok-3
AIME 2025
97
93.3
GPQA Diamond
90.4
84.6
Humanity’s Last Exam
34.7
5.1
LiveCodeBench
90.8
79.4
MMLU-Pro
89
80