Gemini 3 Flash Preview vs Grok Build 0.1

Gemini 3 Flash Preview vs Grok Build 0.1: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.

Quick verdict

  • Gemini 3 Flash Preview is 1.1× cheaper than Grok Build 0.1 for the same mix of input and output tokens.
  • Gemini 3 Flash Preview has the larger context window (1M), useful for long documents and big codebases.
  • Grok Build 0.1 is the more recent release (May 20, 2026).
  • Choose Gemini 3 Flash Preview if cost matters most; choose Grok Build 0.1 if you need its specific strengths above. For the best results, test both on your own prompts.
Gemini 3 Flash PreviewGrok Build 0.1
CompanyGoogle DeepMindxAI
ReleasedDec 17, 2025May 20, 2026 ●
Overall index151.8—
SWE-bench Verified75.4%—
GPQA Diamond89.4%—
AIME math95.6%—
FrontierMath51.2%—
SimpleQA Verified66.8%—
Input (per 1M tokens)$0.50 ●$1
Output (per 1M tokens)$3$2 ●
Cost for 1M input + 1M output tokens$3.50$3.00 ●
Providers6 ●4
Context1M ●256K
Max output64K225K ●
InputsText, Image, Files, Audio, Video ●Text, Image, Files
OutputsTextText
Reasoning✓✓
Tool use✓✓
Structured output✓✓
Open weights——

Add a model →

Popular comparisons