Gemini 3 Flash Preview vs Mistral Large 3 2512

Gemini 3 Flash Preview vs Mistral Large 3 2512: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.

Quick verdict

  • Mistral Large 3 2512 is 1.5× cheaper than Gemini 3 Flash Preview 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.
  • Gemini 3 Flash Preview is the more recent release (Dec 17, 2025).
  • Only Gemini 3 Flash Preview supports extended reasoning.
  • Gemini 3 Flash Preview scores higher on independent tests (overall index 151.8 vs 122.0).
  • Choose Mistral Large 3 2512 if cost matters most; choose Gemini 3 Flash Preview if you need its specific strengths above. For the best results, test both on your own prompts.
Gemini 3 Flash PreviewMistral Large 3 2512
CompanyGoogle DeepMindMistral AI
ReleasedDec 17, 2025 ●Dec 1, 2025
Overall index151.8 ●122.0
SWE-bench Verified75.4%—
GPQA Diamond89.4% ●51.3%
AIME math95.6% ●8.5%
FrontierMath51.2%—
SimpleQA Verified66.8%—
Input (per 1M tokens)$0.50$0.50
Output (per 1M tokens)$3$1.50 ●
Cost for 1M input + 1M output tokens$3.50$2.00 ●
Providers6 ●2
Context1M ●256K
Max output64K210K ●
InputsText, Image, Files, Audio, Video ●Text, Image, Files
OutputsTextText
Reasoning✓—
Tool use✓✓
Structured output✓✓
Open weights——

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